3

®

PCM1750

THD+N vs FREQUENCY

(Without 4X Digital Filter)

Frequency (kHz)

–20

–40

–60

–80

–100

0

20406080

100

V

= –60dB

IN

V

= –40dB

IN

IN

V

= 0dB

IN

V

= –20dB

THD+N vs FREQUENCY

(With 4X Digital Filter)

–20

–40

–60

–80

–100

0

4

8

12

16

20

24

Frequency (kHz)

V

= –60dB

IN

V

= –40dB

IN

V

= –20dB

IN

V

= 0dB

IN

PIN ASSIGNMENTS

PIN

DESCRIPTION

MNEMONIC

1

–5V Analog Supply Voltage

2

+5V Analog Supply Voltage

3

Serial Output (Left Channel)

SOUTL

4

External Clock Input

CLK

5

+5V Analog Supply Voltage

6

+5V Digital Voltage Supply

7

+5V Digital Voltage Supply

8

Digital Common Connection

DCOM

9

Analog Common Connection

ACOM

10

Digital Common Connection

DCOM

11

Convert Command Input

CONVERT

12

Serial Output (Right Channel)

SOUTR

13

+5V Analog Supply Voltage

14

–5V Analog Supply Voltage

15

Offset Adjust (Right Channel)

16

MSB Adjust (Right Channel)

17

Analog Voltage Input (Right Channel;

±2.75V)

18

Reference Voltage Input (Right Channel)

19

Reference Voltage Output (Right Channel)

20

Analog Common Connection

ACOM

21

Reference Voltage Decouple

22

Reference Common Connection

RCOM

23

Analog Common Connection

ACOM

24

Reference Voltage Output (Left Channel)

25

Reference Voltage Input (Left Channel)

26

Analog Voltage Input (Left Channel;

±2.75V)

27

MSB Adjust (Left Channel)

28

Offset Adjust (Left Channel)

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

±1V

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

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

°C

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

°C

Thermal Resistance,

θ

Thermal Resistance,

θ

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

PACKAGE INFORMATION

PACKAGE DRAWING

MODEL

PACKAGE

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.