PCM1803A A/D CONVERTER Datasheet

PCM1803A Datasheet, PDF, Equivalent


Part Number

PCM1803A

Description

96-kHz STEREO A/D CONVERTER

Manufacture

etcTI

Total Page 29 Pages
Datasheet
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PCM1803A
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PCM1803A
SLES142B – JUNE 2005 – REVISED JULY 2016
PCM1803A Single-Ended, Analog-Input 24-Bit, 96-kHz Stereo A/D Converter
1 Features
1 24-Bit Delta-Sigma Stereo A/D Converter
• Single-Ended Voltage Input: 3 Vp-p
• Oversampling Decimation Filter:
– Oversampling Frequency: ×64, ×128
– Pass-Band Ripple: ±0.05 dB
– Stop-Band Attenuation: –65 dB
– On-Chip High-Pass Filter: 0.84 Hz (44.1 kHz)
• High-Performance:
– THD+N: –95 dB (Typically)
– SNR: 103 dB (Typically)
– Dynamic Range: 103 dB (Typically)
• PCM Audio Interface:
– Master or Slave Mode Selectable
– Data Formats:
– 24-Bit Left-Justified
– 24-Bit I2S
– 20-, 24-Bit Right-Justified
• Sampling Rate: 16 kHz to 96 kHz
• System Clock: 256 fS, 384 fS, 512 fS, 768 fS
• Dual Power Supplies: 5 V for Analog, 3.3 V for
Digital
• Package: 20-Pin SSOP
2 Applications
• AV Amplifier Receivers
• MD Players
• CD Recorders
• Multitrack Receivers
• Electric Musical Instruments
3 Description
The PCM1803A device is high-performance, low-
cost, single-chip stereo analog-to-digital converter
with single-ended analog voltage input. The
PCM1803A uses a delta-sigma modulator with 64-
and 128-times oversampling, and includes a digital
decimation filter and high-pass filter, which removes
the DC component of the input signal. For various
applications, the PCM1803A supports master and
slave modes and four data formats in serial interface.
The PCM1803A is suitable for a wide variety of cost-
sensitive consumer applications where good
performance and operation from a 5-V analog supply
and 3.3-V digital supply are required. The PCM1803A
is fabricated using a highly-advanced CMOS process
and is available in a small 20-pin SSOP package.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
PCM1803A
SSOP (20)
7.20 mm × 5.30 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Functional Block Diagram
VINL
VREF1
VREF2
VINR
Reference
Delta-Sigma
Modulator
Delta-Sigma
Modulator
Power Supply
VCC AGND DGND VDD
×1/64 , ×1/128
Decimation
Filter
With
High-Pass Filter
Serial
Interface
Mode/
Format
Control
Clock and Timing Control
BCK
LRCK
DOUT
FMT0
FMT1
MODE0
MODE1
BYPAS
TEST
OSR
PDWN
SCKI
B0004-06
Copyright © 2016, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

PCM1803A
PCM1803A
SLES142B – JUNE 2005 – REVISED JULY 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 7
7 Detailed Description ............................................ 10
7.1 Overview ................................................................. 10
7.2 Functional Block Diagram ....................................... 10
7.3 Feature Description................................................. 10
7.4 Device Functional Modes........................................ 12
8 Application and Implementation ........................ 17
8.1 Application Information............................................ 17
8.2 Typical Application ................................................. 17
9 Power Supply Recommendations...................... 19
10 Layout................................................................... 19
10.1 Layout Guidelines ................................................. 19
10.2 Layout Example .................................................... 20
11 Device and Documentation Support ................. 21
11.1 Receiving Notification of Documentation Updates 21
11.2 Community Resources.......................................... 21
11.3 Trademarks ........................................................... 21
11.4 Electrostatic Discharge Caution ............................ 21
11.5 Glossary ................................................................ 21
12 Mechanical, Packaging, and Orderable
Information ........................................................... 21
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (August 2006) to Revision B
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section. ................................................................................................. 1
• Changed RθJA value from 115 °C/W to 84.4 °C/W in Thermal Information ............................................................................ 5
• Changed the Thermal Information table ................................................................................................................................ 5
2 Submit Documentation Feedback
Product Folder Links: PCM1803A
Copyright © 2005–2016, Texas Instruments Incorporated


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCM1803A SLES142B – JUNE 2 005 – REVISED JULY 2016 PCM1803A Sing le-Ended, Analog-Input 24-Bit, 96-kHz S tereo A/D Converter 1 Features •1 24 -Bit Delta-Sigma Stereo A/D Converter Single-Ended Voltage Input: 3 Vp-p Oversampling Decimation Filter: – Oversampling Frequency: ×64, ×128 – Pass-Band Ripple: ±0.05 dB – Stop-B and Attenuation: –65 dB – On-Chip H igh-Pass Filter: 0.84 Hz (44.1 kHz) • High-Performance: – THD+N: –95 dB (Typically) – SNR: 103 dB (Typically) – Dynamic Range: 103 dB (Typically) • PCM Audio Interface: – Master or Slave Mode Selectable – Data Formats: – 24-Bit Left-Justified – 24-Bit I 2S – 20-, 24-Bit Right-Justified • Sampling Rate: 16 kHz to 96 kHz • Sys tem Clock: 256 fS, 384 fS, 512 fS, 768 fS • Dual Power Supplies: 5 V for Ana log, 3.3 V for Digital • Package: 20- Pin SSOP 2 Applications • AV Amplifier Receivers • MD Players • CD Recorders • Multitrack Receivers • Electric Musi.
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