TEA6422D STMicroelectronics

TEA6422 BUS-CONTROLLED AUDIO MATRIX 6 Stereo Inputs 3 Stereo Ouputs Gain Control 0 dB/Mute for each Output Cascadable (2 different addresses) Serial Bus Controlled Very Low Noise Very Low Distorsion SHRINK DIP24 (Shrink Plastic Package) Fully ESD Protected Wide Audio Dynamic Range ( 3 V ) RMS ORDER CODE: TEA6422 DESCRIPTION The TEA6422 switches 6 stereo audio inputs on 3 stereo outputs. All the switching possibilities are changed through 2 the I C BUS. SO28 (Plastic Monopackage) ORDER CODE: TEA6422D Figure 1. PIN CONNECTIONS SO28 SDIP24 GND 1 28 SDA GND 1 24 SDA CAPACITANCE 2 27 SCL CAPACITANCE 2 23 SCL 26 V 3 ADDR S 3 22 V ADDR L1 4 25 R1 S L1 4 21 R1 L2 5 24 R2 L2 5 20 R2 L3 6 23 R3 6 19 L3 R3 NC 7 22 NC L4 7 18 R4 NC 8 21 NC L5 8 17 R5 L4 9 20 R4 L6 9 16 R6 L5 10 19 R5 LOUT1 10 15 ROUT3 L6 11 18 R6 ROUT1 11 14 LOUT3 LOUT1 12 17 ROUT3 LOUT2 12 13 ROUT2 13 ROUT1 16 LOUT3 LOUT2 14 15 ROUT2 September 2003 1/10 1TEA6422 BLOCK DIAGRAM RIGHT INPUTS GAIN = 0 dB RIGHT OUTPUTS V SDA S SUPPLY BUS DECODER C SCL GND ADDR LEFT OUTPUTS GAIN = 0 dB LEFT INPUTS ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V Supply Voltage 12 V CC o T Operating Temperature 0, + 70 C oper o T Storage Temperature - 20, + 150 C stg THERMAL DATA Symbol Parameter Value Unit o SDIP24 75 C/W R (j-a) Junction - ambient Thermal Resistance th o SO28 75 C/W 2/10 1