SA575DG ON Semiconductor

DATA SHEET www.onsemi.com Low Voltage Compandor 20 SA575 The SA575 is a precision dual gain control circuit designed for low 1 voltage applications. The SA575s channel 1 is an expandor, while TSSOP20 channel 2 can be configured either for expandor, compressor, or DTB SUFFIX automatic level controller (ALC) application. CASE 948E Features MARKING DIAGRAM Operating Voltage Range from 3.0 V to 7.0 V Reference Voltage of 100 mV = 0 dB RMS One Dedicated Summing Op Amp Per Channel and Two Extra SA Uncommitted Op Amps 575 ALYW 600 Drive Capability Single or Split Supply Operation Wide Input/Output Swing Capability A = Assembly Location These Devices are PbFree, Halogen Free/BFR Free and are RoHS WL, L = Wafer Lot Compliant YY, Y = Year WW, W = Work Week Applications = PbFree Package Portable Communications (Note: Microdot may be in either location) Cellular Radio Cordless Telephone PIN CONNECTIONS Consumer Audio Portable Broadcast Mixers 1 +V 20 V IN1 CC Wireless Microphones 2 19 +V -V IN2 IN1 Modems 3 18 -V V IN2 OUT1 Electric Organs 4 17 V RECT. IN1 OUT2 Hearing Aids 5 C 16 RECT.IN2 RECT1 6 SUM OUT 1 15 C RECT2 7 14 SUM OUT2 COMP. IN1 8 13 COMP.IN2 V REF 12 SUM NODE 2 GAIN CELL IN1 9 GND 10 11 GAIN CELL IN2 ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 12 of this data sheet. Semiconductor Components Industries, LLC, 2006 1 Publication Order Number: October, 2021 Rev. 5 SA575/DSA575 0.1 F V +5V CC C 15 GND + 10 F 1 20 575 V CC V IN + + C 2 19 R 14 13 OP AMP V C 3 REF 10k V 3 18 OUT + OP AMP 10 F 4 17 3.8k C 11 + 5 16 4.7 F + C 3.8k RECT C 10 C RECT 2.2 F + 6 15 V OUT + 2.2 F GND 10 F C 6 7 14 V 10k IN + 10 F R V 8 V 8 13 REF REF 30k 10k R 7 + 9 12 G 10 F + 10k 30k 1 F C 8 G 10 11 10k GND GND GND GND Figure 1. Block Diagram and Test Circuit PIN FUNCTION DESCRIPTION Pin Symbol Description 1 +V NonInverted Input 1 IN1 2 V Inverted Input 1 IN1 3 V Output OUT 4 RECT. IN1 Rectifier 1 Input 5 C External Capacitor Pinout for Rectifier 1 RECT1 6 SUM OUT1 Summation Output 1 7 COMP. IN1 Compensator Pin 8 V Voltage Reference REF 9 GAIN CELL IN1 Variable Gain Cell Input 1 10 GND Ground 11 GAIN CELL IN2 Variable Gain Cell Input 2 12 SUM NODE 2 Summation Node 2 13 COMP. IN2 Compensator Pin 14 SUM OUT2 Summation Output 2 15 C External Capacitor Pinout for Rectifier 2 RECT2 16 RECT. IN2 Rectifier 2 Input 17 V Output 2 OUT2 18 V Inverted Input 2 IN2 19 +V NonInverted Input 2 IN2 20 V Positive Power Supply CC www.onsemi.com 2