PCM1808 Stereo ADC Datasheet

PCM1808 Datasheet, PDF, Equivalent


Part Number

PCM1808

Description

96-kHz Stereo ADC

Manufacture

etcTI

Total Page 30 Pages
Datasheet
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PCM1808
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PCM1808
SLES177B – APRIL 2006 – REVISED AUGUST 2015
PCM1808 Single-Ended, Analog-Input 24-Bit, 96-kHz Stereo ADC
1 Features
1 24-Bit Delta-Sigma Stereo A/D Converter (ADC)
• Single-Ended Voltage Input: 3 Vp-p
• High Performance:
– THD+N: –93 dB (Typical)
– SNR: 99 dB (Typical)
– Dynamic Range: 99 dB (Typical)
• Oversampling Decimation Filter:
– Oversampling Frequency: ×64
– Pass-Band Ripple: ±0.05 dB
– Stop-Band Attenuation: –65 dB
– On-Chip High-Pass Filter: 0.91 Hz (48 kHz)
• Flexible PCM Audio Interface
– Master- or Slave-Mode Selectable
– Data Formats: 24-Bit I2S, 24-Bit Left-Justified
• Power Down and Reset by Halting System Clock
• Analog Antialias LPF Included
• Sampling Rate: 8 kHz–96 kHz
• System Clock: 256 fS, 384 fS, 512 fS
• Resolution: 24 Bits
• Dual Power Supplies:
– 5-V for Analog
– 3.3-V for Digital
• Package: 14-Pin TSSOP
2 Applications
• DVD Recorder
• Digital TV
• AV Amplifier or Receiver
• MD Player
• CD Recorder
• Multitrack Receiver
• Electric Musical Instrument
3 Description
The PCM1808 device is a high-performance, low-
cost, single-chip, stereo analog-to-digital converter
with single-ended analog voltage input. The
PCM1808 device uses a delta-sigma modulator with
64-times oversampling and includes a digital
decimation filter and high-pass filter that removes the
dc component of the input signal. For various
applications, the PCM1808 device supports master
and slave mode and two data formats in serial audio
interface.
The PCM1808 device supports the power-down and
reset functions by means of halting the system clock.
The PCM1808 device is suitable for wide variety of
cost-sensitive consumer applications requiring good
performance and operation with a 5-V analog supply
and 3.3-V digital supply. Fabrication of the PCM1808
device uses a highly advanced CMOS process. The
device is available in a small, 14-pin TSSOP
package.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
PCM1808
TSSOP (14)
4.40 mm × 5.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
PCM1808 Block Diagram
VINL
VREF
VINR
Antialias
LPF
Delta-Sigma
Modulator
Reference
Antialias
LPF
Delta-Sigma
Modulator
1
Power Supply
1 / 64
Decimation
Filter
With
High-Pass
Filter
Serial
Interface
Mode/
Format
Control
Clock and Timing Control
BCK
LRCK
DOUT
FMT
MD1
MD0
SCKI
VCC AGND DGND VDD
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.

PCM1808
PCM1808
SLES177B – APRIL 2006 – REVISED AUGUST 2015
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 Timing Requirements ................................................ 7
6.7 Typical Characteristics ............................................ 11
7 Detailed Description ............................................ 14
7.1 Overview ................................................................. 14
7.2 Functional Block Diagram ....................................... 14
7.3 Feature Description................................................. 14
7.4 Device Functional Modes........................................ 17
8 Application and Implementation ........................ 19
8.1 Application Information............................................ 19
8.2 Typical Application ................................................. 19
9 Power Supply Recommendations...................... 21
10 Layout................................................................... 21
10.1 Layout Guidelines ................................................. 21
10.2 Layout Example .................................................... 22
11 Device and Documentation Support ................. 23
11.1 Community Resources.......................................... 23
11.2 Trademarks ........................................................... 23
11.3 Electrostatic Discharge Caution ............................ 23
11.4 Glossary ................................................................ 23
12 Mechanical, Packaging, and Orderable
Information ........................................................... 23
4 Revision History
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
2 Submit Documentation Feedback
Product Folder Links: PCM1808
Copyright © 2006–2015, Texas Instruments Incorporated


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design PCM1808 SL ES177B – APRIL 2006 – REVISED AUGUS T 2015 PCM1808 Single-Ended, Analog-Inp ut 24-Bit, 96-kHz Stereo ADC 1 Feature s •1 24-Bit Delta-Sigma Stereo A/D Co nverter (ADC) • Single-Ended Voltage Input: 3 Vp-p • High Performance: – THD+N: –93 dB (Typical) – SNR: 99 dB (Typical) – Dynamic Range: 99 dB ( Typical) • Oversampling Decimation Fi lter: – Oversampling Frequency: ×64 – Pass-Band Ripple: ±0.05 dB – Sto p-Band Attenuation: –65 dB – On-Chi p High-Pass Filter: 0.91 Hz (48 kHz) Flexible PCM Audio Interface – Mast er- or Slave-Mode Selectable – Data F ormats: 24-Bit I2S, 24-Bit Left-Justifi ed • Power Down and Reset by Halting System Clock • Analog Antialias LPF I ncluded • Sampling Rate: 8 kHz–96 k Hz • System Clock: 256 fS, 384 fS, 51 2 fS • Resolution: 24 Bits • Dual P ower Supplies: – 5-V for Analog – 3.3-V for Digital • Package: 14-Pin TSSOP 2 Applications • DVD Recorder • Digita.
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