Part Number : CXA20690, CXA2069Q
Function : S2-Compatible 7-Input 3-Output Audio/Video Switch
Manufactures : Sony Corporation
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Description :
CXA20690 S2-Compatible 7-Input 3-Output Audio/Video Switch Description The CXA20690 is a 7-input, 3-output audio/video switch featuring I2C bus compatibility for TVs. This IC has input pins that are compatible with S2 protocol. Features • 4 inputs that are compatible with S2 protocol • Serial control with I2C bus • 7 inputs, 3 outputs • The desired inputs can be selected independently for each of the 3 outputs • Wide band video amplifier (20 MHz, –3 dB) • Y/C MIX circuit • Slave address can be changed (90H/92H) • Audio muting from external pin • High impedance maintained by I2C bus lines (SDA, SCL) even when power is OFF • Wide audio dynamic range (3 Vrms typ.) Applications Audio/video switch featuring I2C bus compatibility for TVs Structure Bipolar silicon monolithic IC 64 pin QFP (Plastic) Absolute Maximum Ratings (Ta=25 °C) • Supply voltage VCC 12 • Operating temperature Topr –20 to +75 • Storage temperature Tstg –65 to +150 • Allowable power dissipation PD 1300 Operating Conditions Supply voltage V °C °C mW 9±0.5 V Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. —1— E96Y05B81 CXA20690 Block Diagram TV V1 V2 V3 V4 V5 V6 63 1 8 15 22 30 6dB 60 6dB 53 VOUT1 49 56 55 YIN1 YOUT1 TRAP1 58 6dB 51 Y1 Y2 Y3 Y4 COUT1 CIN1 3 10 17 24 6dB 46 TRAP2 6dB 44 V/YOUT2 47 6dB COUT2 C1 C2 C3 C4 5 12 19 26 6dB 6dB 41 VOUT3 39 YOUT3 37 6dB BIAS 6dB 57 50 42 LTV LV1 LV2 LV3 LV4 LV5 LV6 RTV RV1 RV2 RV3 RV4 RV5 RV6 62 35 52 54 0dB 6dB 43 45 29 59 64 0dB 38 40 COUT3 VGND BIAS VCC AGND LOUT1 ROUT1 LOUT2 ROUT2 LOUT3 ROUT3 2 9 16 23 4 11 18 25 31 61 6dB Logic 6dB 6dB 36 33 34 32 DC OUT SCL SDA ADR S-1 S-2 S-3 S-4 S2-1 S2-2 S2-3 S2-4 MUTE 7 14 21 28 6 13 Audio system is attenuated by 6dB at input, and a total gain is 0dB (LOUT1 and ROUT1 can be changed to –6dB). 20 6dB 27 48 —2— Pin Configuration 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 VCC CIN1 MUTE TRAP2 LOUT2 ROUT2 LOUT3 VOUT3 ROUT3 COUT2 YOUT3 COUT3 AGND V/YOUT2 DC OUT 52 ADR RV5 31 V5 30 LV5 29 S-4 28 S2-4 27 BIAS YIN1 SDA SCL 32 C4 26 RV4 25 Y4 24 LV4 23 V4 22 S-3 21 S2-3 20 19 LOUT1 53 VOUT1 54 ROUT1 55 TRAP1 56 YOUT1 57 VGND S-1 RV1 V1 S2-1 LV2 C2 V3 Y1 V2 RV2 S-2 Y3 RV3 Y2 11 12 13 14 15 16 C1 LV1 1 2 3 4 5 6 7 8 9 10 S2-2 LV3 17 18 C3 —3— 58 COUT1 CXA20690 59 LV6 60 V6 61 RV6 62 LTV 63 TV 64 RTV CXA20690 CXA20690 Pin Description Pin No. 63 1 8 15 22 30 60 Symbol TV V1 V2 V3 V4 V5 V6 Pin voltage Equivalent circuit VCC 63 22 150 30 60 3µA Description 1 4.0 V 8 15 Video signal inputs. Inpu […]
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