SBAS342B − DECEMBER 2004 − REVISED APRIL 2006

Low Power, 24-Bit, Single Channel Audio

Analog-to-Digital Converter

PCM4201

FEATURES

D High Performance Delta-Sigma

Analog-to-Digital Converter

D Differential Voltage Inputs

D Dynamic Performance:

− Dynamic Range (A-Weighted): Up to

112dB

− THD+N: As low as −105dB

D Three Sampling Modes:

− Supports Output Sampling Rates Up to

108kHz

− Choose from Low Power, High

Performance, or Double Speed Modes

D Audio Serial Port Interface:

− Master or Slave Mode Operation

− 24-Bit Linear PCM Output Data

− Left-Justified/DSP-Compatible Data

Format

D Digital High-Pass Filter for DC Removal:

− Includes a High-Pass Filter Disable Pin

D Power Supplies:

− Requires a +5V Analog Power Supply

− Supports a +1.8V to +3.3V Digital Power

Supply Range

D Low Power Dissipation

− 49mW Typical (Low Power Mode with

VDD = +3.3V)

− 39mW Typical (Low Power Mode with

VDD = +1.8V)

D Power Down Mode

− Less than 50

µW total power dissipation

D Available in a small TSSOP-16 Package

APPLICATIONS

D Digital Wireless Microphones

D Battery-Powered Audio Recording and

Processing Equipment

DESCRIPTION

The PCM4201 is designed for digital audio applications

that require a combination of high dynamic range, low

distortion, and low power consumption. The primary

applications for the PCM4201 include digital wireless

microphones and battery-operated audio recording or

processing equipment. The PCM4201 outputs 24-bit

linear PCM audio data at sampling rates up to 108kHz.

Three sampling modes allow the user to trade off power for

performance, dependent upon the intended system

requirements. An on-chip voltage reference reduces the

number of external components needed for operation.

The PCM4201 includes dedicated control pins for

configuration of all programmable functions. The device

requires a +5.0V analog power supply, in addition to a

digital supply operating from +1.8V to +3.3V. The

PCM4201 is available in a small TSSOP-16 package.

I2S is a registered trademark of Royal Philips Electronics B.V., The Netherlands. All other trademarks are the property of their respective owners.

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Copyright

 2004−2006, Texas Instruments Incorporated

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments

semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date. Products

conform to specifications per the terms of Texas Instruments standard warranty.

Production processing does not necessarily include testing of all parameters.