Philips Semiconductors

Product specification

SA575

Low voltage compandor

2

1997 Nov 07

853-1665 18666

DESCRIPTION

The SA575 is a precision dual gain control circuit designed for low

voltage applications. The SA575’s channel 1 is an expandor, while

channel 2 can be configured either for expandor, compressor, or

automatic level controller (ALC) application.

FEATURES

uncommitted op amps

APPLICATIONS

PIN CONFIGURATION

+VIN1

-VIN1

VOUT

1

RECT. IN1

CRECT1

COMP. IN1

VREF

GND

20 VCC

19 +VIN2

18 -VIN2

17 VOUT2

16 RECT.IN2

15 CRECT2

14 SUM OUT2

13 COMP.IN2

12 SUM NODE 2

11 GAIN CELL IN2

SUM OUT 1

NOTE:

1. Available in large SOL package only.

GAIN CELL IN1

1

2

3

4

5

6

7

8

9

10

SR00703

Figure 1. Pin Configuration

ORDERING INFORMATION

DESCRIPTION

TEMPERATURE RANGE

ORDER CODE

DWG

20-Pin Plastic Small Outline Large

-40 to +85

°C

SA575D

SOT163-1

20-Pin Plastic Shrink Small Outline Package (SSOP)

-40 to +85

°C

SA575DK

SOT266-1

ABSOLUTE MAXIMUM RATINGS

SYMBOL

PARAMETER

RATING

UNITS

SYMBOL

PARAMETER

SA575

UNITS

Single supply voltage

–0.3 to 8

V

Voltage applied to any other pin

V

Operating ambient temperature range

-40 to +85

°C

Storage temperature range

-65 to +150

°C

Thermal impedance

SOL

112

°C/W

SSOP

117

°C/W