Texas Instruments TLV320AIC1106 User manual

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TLV320AIC1106/1107EVM
September 2002 Data Acquisition Products
User’s Guide
SLAU091
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IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,
enhancements, improvements, and other changes to its products and services at any time and to discontinue
any product or service without notice. Customers should obtain the latest relevant information before placing
orders and should verify that such information is current and complete. All products are sold subject to TI’s terms
and conditions of sale supplied at the time of order acknowledgment.
TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
deems necessary to support this warranty. Except where mandated by government requirements, testing of all
parameters of each product is not necessarily performed.
TI assumes no liability for applications assistance or customer product design. Customers are responsible for
their products and applications using TI components. To minimize the risks associated with customer products
and applications, customers should provide adequate design and operating safeguards.
TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right,
copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process
in which TI products or services are used. Information published by TI regarding third-party products or services
does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.
Use of such information may require a license from a third party under the patents or other intellectual property
of the third party, or a license from TI under the patents or other intellectual property of TI.
Reproduction of information in TI data books or data sheets is permissible only if reproduction is without
alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction
of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for
such altered documentation.
Resale of TI products or services with statements different from or beyond the parameters stated by TI for that
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is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.
Mailing Address:
Texas Instruments
Post Office Box 655303
Dallas, Texas 75265
Copyright 2002, Texas Instruments Incorporated
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EVM IMPORTANT NOTICE
Texas Instruments (TI) provides the enclosed product(s) under the following conditions:
This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION
PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the goods being provided
may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective
considerations, including product safety measures typically found in the end product incorporating the goods.
As a prototype, this product does not fall within the scope of the European Union directive on electromagnetic
compatibility and therefore may not meet the technical requirements of the directive.
Should this evaluation kit not meet the specifications indicated in the EVM User’s Guide, the kit may be returned
within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE
WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED,
IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY
PARTICULAR PURPOSE.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user
indemnifies TI from all claims arising from the handling or use of the goods. Please be aware that the products
received may not be regulatory compliant or agency certified (FCC, UL, CE, etc.). Due to the open construction
of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic
discharge.
EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE
TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not
exclusive.
TI assumesno liability for applications assistance, customer product design, software performance, or
infringement of patents or services described herein.
Please read the EVM User’s Guide and, specifically, the EVM Warnings and Restrictions notice in the EVM
User’s Guide prior to handling the product. This notice contains important safety information about temperatures
and voltages. For further safety concerns, please contact the TI application engineer.
Persons handling the product must have electronics training and observe good laboratory practice standards.
No license is granted under any patent right or other intellectual property right of TI covering or relating to any
machine, process, or combination in which such TI products or services might be or are used.
Mailing Address:
Texas Instruments
Post Office Box 655303
Dallas, Texas 75265
Copyright 2002, Texas Instruments Incorporated
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EVM WARNINGS AND RESTRICTIONS
It is important to operate this EVM within the input voltage range of 3.3 V described in the EVM
User’s Guide.
Exceeding the specified input range may cause unexpected operation and/or irreversible
damage to the EVM. If there are questions concerning the input range, please contact a TI
field representative prior to connecting the input power.
Applying loads outside of the specified output range may result in unintended operation and/or
possible permanent damage to the EVM. Please consult the EVM User’s Guide prior to
connecting any load to the EVM output. If there is uncertainty as to the load specification,
please contact a TI field representative.
During normal operation, some circuit components may have case temperatures greater than
60°C. The EVM is designed to operate properly with certain components above 60°C as long
as the input and output ranges are maintained. These components include but are not limited
to linear regulators, switching transistors, pass transistors, and current sense resistors. These
types of devices can be identified using the EVM schematic located in the EVM User’s Guide.
When placing measurement probes near these devices during operation, please be aware
that these devices may be very warm to the touch.
Mailing Address:
Texas Instruments
Post Office Box 655303
Dallas, Texas 75265
Copyright 2002, Texas Instruments Incorporated
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Related Documentation From Texas Instruments
v
Preface
Read This First
About This Manual
This user’s guide describes the operation and use of the TLV320AIC1106 /
1107 codec family. A complete circuit description as well as schematic
diagram and bill of materials are also included.
How to Use This Manual
This document contains the following chapters:
-Chapter 1 –EVM Overview and Introduction
-Chapter 2 –Digital and Analog Interface
-Chapter 3 –EVM Bill of Materials and Schematic
Related Documentation From Texas Instruments
To obtain a copy of any of the following documents, call the Texas Instruments
literature response center at [phone] or the product information center
(PIC) at [phone]. When ordering, please identify this booklet by its title
and literature number. Updated documents can also be obtained through the
TI website at www.ti.com.
Data Sheets: Literature Number:
TLV320AI1106 SLAS357
TLV320AIC1107 SLAS360
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Contents
vi
FCC Warning
This equipment is intended for use in a laboratory test environment only. It
generates, uses, and can radiate radio frequency energy and has not been
tested for compliance with the limits of computing devices pursuant to subpart
J of part 15 of FCC rules, which are designed to provide reasonable protection
against radio frequency interference. Operation of this equipment in other
environments may cause interference with radio communications, in which
case the user at his own expense will be required to take whatever measures
may be required to correct this interference.
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Contents
vii
Contents
1 EVM Overview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 Introduction 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Digital and Analog Interface 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 Description 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Codec-to-Development Platform Interface 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Jumper Options 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.1 Microphone Mute 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.2 Earphone Mute 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.3 Conversion Select 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.4 AGND/DGND Connect 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5 Analog Interface 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 EVM Bill of Materials and Schematic 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 EVM Bill of Materials 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 TLV320AIC1106/1107 Schematic 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figures
1-1 TLV320AIC1106/1107 EVM 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1 Development Platform Mechanical Interface 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tables
2-1 EVM J3 Connector Pinout 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2 Jumper Options 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3 Microphone—W1 Jumper Options 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-4 Earphone—W2 Jumper Options 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-5 Conversion Select—W3 Jumper Options 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-6 AGND/DGND—W4 Jumper Options 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Contents
viii
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1-1
EVM Overview
EVM Overview
This chapter provides an overview of the TLV320AIC1106 / 1107 EVM.
Topic Page
1.1 Introduction 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 1
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Introduction
1-2
1.1 Introduction
This EVM and user’s guide supports the following devices:
-TLV320AIC1106
-TLV320AIC1107
These devices are voice-band audio processors, designed to perform
transmit-encoding analog-to-digital (A/D) conversion, receive-decoding
digital-to-analog (D/A) conversion, and transmit and receive filtering for
voice-band communications systems.
The EVM can operate with a DSP development platform to provide the
necessary power requirements and a convenient way to interface with TI’s
range of starter kits via the 80-pin expansion connector located on the DSK.
Alternatively, the EVM can operate without a DSP development platform. In
this case the user is responsible for providing a suitable interface to the host
system.
System-level features for the chip are managed via 3 jumpers.
Interfacing with the analog I/O is accomplished via 2 screw terminals.
Figure 1-1.TLV320AIC1106/1107 EVM
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2-1
Digital and Analog Interface
Digital and Analog Interface
This chapter describes the digital and analog interface for the TLV320AIC1106
/1107 EVM.
Topic Page
2.1 Description 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Codec-to-Development Platform Interface 2-2. . . . . . . . . . . . . . . . . . . . . . .
2.3 Jumper Options 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Analog Interface 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 2
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Description
2-2
2.1 Description
The digital signals required to operate this codec originate from the 40-pin
connector—J3. There are two methods to drive the digital interface:
-Create a custom interface between the codec EVM and the host system.
-Alternatively, if a TI DSK (DSP Starter Kit) is the host system, a develop-
ment platform is available from TI. This platform provides the additional
functions that the codec requires in a convenient form factor.
2.2 Codec-to-Development Platform Interface
The EVM can mate with TI’s DSP starter kit systems (DSKs) via the
development platform.
The development platform mates with the DSK, through which all the
necessary power is provided. RESET can be applied manually to the EVM via
a switch on the development platform, or by the RESET signal on the DSK via
the development platform.
Figure 2-1.Development Platform Mechanical Interface
AIC1106 / 07
DSK
Development
Platform
Electrical interface to the development platform is via J3 on the
TLV320AIC1106/1107 EVM. The 40-pin connector mates with the
development platform connector (Samtec part number, TSM-120-01-T-DV-P).
Consult Samtec at www.samtec.com or 1-800-SAMTEC-9 for more
information.
The pinout for the 40-pin connector is given in Table 2-1.
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Codec-to-Development Platform Interface
2-3
Digital and Analog Interface
Table 2-1.EVM J3 Connector Pinout
Pin Number Signal Description
J3.1 N/A Reserved
J3.2 DGND Digital ground
J3.3 SCLK Serial data clock
J3.4 DGND Digital ground
J3.5 DIN Data in
J3.6 DGND Digital ground
J3.7 DOUT Data out
J3.8 N/A Reserved
J3.9 FS Frame sync
J3.10 N/A Reserved
J3.11 N/A Reserved
J3.12 N/A Reserved
J3.13 N/A Reserved
J3.14 N/A Reserved
J3.15 N/A Reserved
J3.16 N/A Reserved
J3.17 RESET Reset
J3.18 N/A Reserved
J3.19 N/A Reserved
J3.20 N/A Reserved
J3.21 N/A Reserved
J3.22 N/A Reserved
J3.23 N/A Reserved
J3.24 N/A Reserved
J3.25 3.3V_D Digital 3.3 V
J3.26 N/A Reserved
J3.27 3.3V_D Digital 3.3 V
J3.28 DGND Digital ground
J3.29 N/A Reserved
J3.30 DGND Digital ground
J3.31 N/A Reserved
J3.32 DGND Digital ground
J3.33 N/A Reserved
J3.34 AGND Analog ground
J3.35 N/A Reserved
J3.36 AGND Analog ground
J3.37 3.3V_A Analog 3.3 V
J3.38 AGND Analog ground
J3.39 3.3V_A Analog 3.3 V
J3.40 AGND Analog ground
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Jumper Options
2-4
The development platform supports a number of functions required by the
codecs:
-Manual reset generation
-Power options
-Convenient mechanical interface to TI’s DSK
-Refer to SLAU090 for details regarding the development platform.
2.3 Jumper Options
There are four jumpers on the EVM board that can be configured in various
ways, depending upon the user’s requirements. Their functions are briefly pre-
sented in the following tables.
Table 2-2.Jumper Options
Jumper Function
W1 Mutes the microphone input
W2 Mutes the earphone output
W3 Selects conversion mode
W4 Connects AGND and DGND together
2.3.1 Microphone Mute
Table 2-3.Microphone—W1 Jumper Options
W1
Description 1-2 2-3
Microphone is muted Inserted Not inserted
Microphone is not muted Not inserted Inserted
2.3.2 Earphone Mute
Table 2-4.Earphone—W2 Jumper Options
W2
Description 1-2 2-3
Earphone is muted Inserted Not inserted
Earphone is not muted Not inserted Inserted
2.3.3 Conversion Select
Table 2-5.Conversion Select—W3 Jumper Options
W3
Description 1-2 2-3
8-bit µ-law companding mode selected Inserted Not inserted
13-bit linear mode selected Not inserted Inserted
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Analog Interface
2-5
Digital and Analog Interface
2.3.4 AGND/DGND Connect
If the EVM is part of a larger system, the facility exists to connect and
disconnect analog ground and digital ground to minimize ground returns.
Table 2-6.AGND/DGND—W4 Jumper Options
W4
Description 1-2
AGND and DGND connected Inserted
AGND and DGND disconnected Not inserted
2.4 Analog Interface
To make it as easy as possible to connect to a wide range of input and output
devices, the analog interface features a simple screw-terminal, J1 for micro-
phone input and J2 for earphone output.
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2-6
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3-1
EVM Bill of Materials and Schematic
EVM Bill of Materials and Schematic
This chapter provides a bill of materials and schematic for the TLV3201106/
1107 EVM.
Topic Page
3.1 EVM Bill of Materials 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 EVM Schematic 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 3
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EVM Bill of Materials
3-2
3.1 EVM Bill of Materials
The following table contains a complete bill of materials for the
TLV320AIC1106 and TLV320AIC1107 EVM. The schematic diagram is also
provided for reference. For further information contact the product information
center (PIC) or e-mail questions regarding this EVM to
[email protected].
Quantity Reference Description
2C4, C5 Capacitor, 0.1 µF 16 V ceramic X7R 1206
2C1, C2 Capacitor, 0.22 µF 16 V ceramic X7R 1206
2C3, C6 Capacitor, 10 µF 16 V tantalum TE series
2R1, R2 Resistor, 2.2 kΩ1/8 W 5% 1206 SMD
3R7, R8, R9 Resistor, 4.7 kΩ1/8W 5% 1206 SMD
2R3, R4 Resistor, 34 kΩ1/8W 1% 1206 SMD
2R5, R6 Resistor, 511 kΩ1/8W 1% 1206 SMD
1 U1 TLV320AIC1106 IC, PCM codec, Prog. MIC
AMP 20TSSOP
Alternate TLV320AIC1107 IC
1TLV320AIC1106 PWB
1 J3 40-Pin SMT socket
1 P1 40-Pin SMT plug
3W1, W2, W3 3 Position jumper
1 W4 2 Position jumper
2J1 J2 2 Terminal screw connector
2See assembly drawing 1.000/4-40, nylon, hex thread, SP
2See assembly drawing 4-40 ×1/4, machine screw, panhead SS
3.2 TLV320AIC1106/1107 Schematic
The schematic is on the following page.
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