Texas Instruments PCM3501 Data Handbook/Specifications
Summary
The PCM3501 is an integrated, low-cost 16-bit voice/modem CODEC designed for demanding audio applications and embedded systems. This single chip integrates vital functions—including ADCs, DACs, anti-aliasing filters, and digital signal processors—onto one serial bus, simplifying design considerably. The manual provides comprehensive specifications detailing its high performance (88dB dynamic range) and ultra-low power consumption, making it ideal for use in portable voice recorders, PDAs, set-top boxes, and teleconferencing equipment requiring reliable connectivity.
Page 1 Text Content
PCM PCM3501®
Low Voltage, Low Power, 16-Bit, Mono
VOICE/MODEM CODEC
FEATURES POWER-DOWN MODE: 60µA (typ) SINGLE +2.7V TO +3.6V POWER SUPPLY
16-BIT DELTA-SIGMA DAC AND ADC
SMALL PACKAGE: 24-Lead SSOP
DIFFERENTIAL INPUT AND OUTPUT DESIGNED FOR MODEM ANALOG FRONT END:
Supports up to 56kbps Operation APPLICATIONS
ANALOG PERFORMANCE:
SOFTWARE MODEMS FOR:
Sampling Frequency: 7.2k Hz to 26k Hz
Personal Digital Assistant
Dynamic Range: 88d B (typ) at f S = 8k Hz, f IN = 1k Hz
Notebook and Hand-Held PCs
SYSTEM CLOCK: 512f S
Set-Top Box
MASTER OR SLAVE OPERATION Digital Television
ON-CHIP CRYSTAL OSCILLATOR CIRCUIT Embedded Systems
ADC-TO-DAC LOOP-BACK MODE PORTABLE VOICE RECORDER/PLAYER TIME SLOT MODE SUPPORTS UP TO SPEECH RECOGNITION/SYNTHESIS FOUR CODECs ON A SINGLE SERIAL
TELECONFERENCING PRODUCTS
INTERFACE
DESCRIPTION The PCM3501 is a low cost, 16-bit CODEC designed digital-to-analog and analog-to-digital converters, in- for modem Analog Front End (AFE) and speech pro- put anti-aliasing filter, digital high-pass filter for DC cessing applications. The PCM3500’s low power op- blocking, and an output low-pass filter. The synchro- eration from +2.7V to +3.6V power supplies, along er ia l I /O In te rf ac nous serial interface provides for a simple, or glue-free with an integrated power-down mode, make it ideal for interface to popular DSP and RISC processors. The portable applications. serial interface also supports Time Division Multiplex-
ing (TDM), allowing up to four CODECs to share a
The PCM3501 integrates all of the functions needed for
single 4-wire serial bus.
a modem or voice CODEC, including delta-sigma
VIN+ ∆Σ
Decimation
AAF Modulator HPF FS
Digital Filter
VIN– (ADC)
VREF1 Loop
VCOM Reference DIN
VREF2
VOUT+
Multi-Level ∆Σ Interpolation
SMF FSO
DAC Modulator Digital Filter
VOUT–
Clock
Gen/ SCKIO
Power Mode Control
DGNDAGND VDDVCC PDWN M/SHPFD TSC XTIXTOLOOP
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1999 Burr-Brown Corporation PDS-1569A Printed in U.S.A. December, 1999 PCM3501
SBAS137
Page Summary Contents For Texas Instruments PCM3501 Data Handbook/Specifications
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 25 |
| File Size | 189.38 KB |
| Published | June 21, 2026 |
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Frequently Asked Questions
What required voltage range can the PCM3501 operate on?
It supports a single +2.7V to +3.6V power supply.
How many CODECs can be shared via the serial interface?
The serial interface supports Time Division Multiplexing (TDM), allowing up to four CODECs.
What is the typical dynamic range performance of the unit?
It offers a dynamic range of 88dB (typ) at f = 8kHz and f = 1kHz.
What is the current draw in power-down mode?
In Power-Down Mode, the typical power consumption is 60μA.