PCM1750U datasheet(3/21 Pages) TI

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PCM1750

THD+N vs FREQUENCY

(Without 4X Digital Filter)

Frequency (kHz)

–20

–40

–60

–80

–100

20406080

100

= –60dB

= –40dB

= 0dB

= –20dB

THD+N vs FREQUENCY

(With 4X Digital Filter)

–20

–40

–60

–80

–100

Frequency (kHz)

= –60dB

= –40dB

= –20dB

= 0dB

PIN ASSIGNMENTS

DESCRIPTION

MNEMONIC

–5V Analog Supply Voltage

–VA

+5V Analog Supply Voltage

+VA

Serial Output (Left Channel)

SOUTL

External Clock Input

CLK

+5V Analog Supply Voltage

+VA

+5V Digital Voltage Supply

+VD

+5V Digital Voltage Supply

+VD

Digital Common Connection

DCOM

Analog Common Connection

ACOM

Digital Common Connection

DCOM

Convert Command Input

CONVERT

Serial Output (Right Channel)

SOUTR

+5V Analog Supply Voltage

+VA

–5V Analog Supply Voltage

–VA

Offset Adjust (Right Channel)

OFFADJR

MSB Adjust (Right Channel)

MSBADJR

Analog Voltage Input (Right Channel;

±2.75V)

VINR

Reference Voltage Input (Right Channel)

VREFINR

Reference Voltage Output (Right Channel)

VREFOUTR

Analog Common Connection

ACOM

Reference Voltage Decouple

VREFCAP

Reference Common Connection

RCOM

Analog Common Connection

ACOM

Reference Voltage Output (Left Channel)

VREFOUTL

Reference Voltage Input (Left Channel)

VREFINL

Analog Voltage Input (Left Channel;

±2.75V)

VINL

MSB Adjust (Left Channel)

MSBADJL

Offset Adjust (Left Channel)

OFFADJL

Analog Input Voltage (VIN) .................................. –VA –0.3V to +VA + 0.3V

+VA; +VD to ACOM/DCOM ............................................................ 0 to +7V

–VA to ACOM/DCOM .................................................................... 0 to –7V

–VA to +VA; +VD ......................................................................... 0 to +14V

ACOM to DCOM ..................................................................................

±1V

Digital Inputs (pins 4, 11) to DCOM ........................... –0.3V to +VD + 0.3V

Power Dissipation .......................................................................... 400mW

Lead Temperature, (soldering 10s) ................................................ +300

°C

Max Junction Temperature .............................................................. 165

°C

Thermal Resistance,

JA: Plastic DIP ............................................ 80°C/W

Thermal Resistance,

JA: Plastic SOIC ....................................... 100°C/W

NOTE: Stresses above those listed under Absolute Maximum Ratings may

cause permanent damage to the device. Exposure to absolute maximum

conditions for extended periods may affect device reliability.

ABSOLUTE MAXIMUM RATINGS

TYPICAL PERFORMANCE CURVES

At 25

°C, and ±V

A = ±5.0V; +VD = +5V, unless otherwise noted. Where relevant, specifications apply to both left and right input output channels.

PACKAGE INFORMATION

PACKAGE DRAWING

MODEL

PACKAGE

NUMBER(1)

PCM1750P

28-Pin Plastic DIP

215

PCM1750U

28-Pin Plastic SOIC

217

NOTE: (1) For detailed drawing and dimension table, please see end of data

sheet, or Appendix D of Burr-Brown IC Data Book.

The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes

no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change

without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant

any BURR-BROWN product for use in life support devices and/or systems.

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