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TDA7437T Datasheet(PDF) 6 Page - STMicroelectronics |
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TDA7437T Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 23 page ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit PAUSE DETECTOR VTH Pause Threshold WIN = 11 30 mV WIN = 10 60 mV WIN = 01 110 mV WIN = 00 220 mV IDELAY Pull-Up Current 15 25 35 µA VTHP Pause Threshold 3.0 V GENERAL VCC Supply Voltage 6 9 10.2 V ICC Supply Current 7 10 13 mA PSRR Power Supply Rejection Ratio f = 1KHz 70 90 dB eNO Output Noise Output Muted (B = 20 to 20kHz flat) 4 µV All Gains 0dB (B= 200 to 20kHz flat) 615 µV Et Total Tracking Error AV = 0 to -20dB 0 1 dB AV = -20 to -60dB 0 2 dB S/N Signal to Noise Ratio All Gains = 0dB; VO = 2.1Vrms 111 dB SC Channel Separation L - R 80 95 dB d Distortion VIN =1V all gain = 0dB 0.01 0.08 % BUS INPUTS VIL Input Low Voltage 1V VlN Input High Voltage 3 V IlN Input Current VIN = 0.4V -5 5 µA VO Output Voltage SDA Acknowledge IO = 1.6mA 0.1 0.4 V Note 1: WIN represents the MUTE programming bit pair D6,D5 for the zero crossing window threshold Note 2: Internall pullup resistor to Vs/2; ”LOW” = softmute active Note: The ANGND and DIGGND layout wires must be kept separated. A 50 Ω resistor is recommended to be put as far as possible from the device. CD TDA7437 L- L+ R- R+ D00AU1125 L+ L- ∼R- R+ = The CLD - and CDR - can be shortcircuited in applications providing 3 wires CD signal CLD - = DIFFINLGND CDR - = DIFFINRGND TDA7437 6/23 |
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