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TDF8553J датащи(PDF) 7 Page - NXP Semiconductors |
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TDF8553J датащи(HTML) 7 Page - NXP Semiconductors |
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7 / 47 page ![]() TDF8553J_1 © NXP B.V. 2008. All rights reserved. Objective data sheet Rev. 01 — 3 December 2008 7 of 47 NXP Semiconductors TDF8553J 4 × 50 Watt power amplifier and multiple voltage regulator 7.2 Pin description Table 3. Pin description Symbol Pin Description PGND/TAB 1 power ground 2 and connection for heatsink SDA 2 I2C-bus data input and output OUT3 − 3 channel 3 negative output SCL 4 I2C-bus clock input OUT3+ 5 channel 3 positive output VP2 6 power supply voltage 2 to amplifiers OUT1 − 7 channel 1 negative output PGND1 8 power ground 1 OUT1+ 9 channel 1 positive output SVR 10 half supply voltage filter capacitor IN1 11 channel 1 input IN3 12 channel 3 input SGND 13 signal ground IN4 14 channel 4 input IN2 15 channel 2 input ACGND 16 AC ground OUT2+ 17 channel 2 positive output PGND3 18 power ground 3 OUT2 − 19 channel 2 negative output VP1 20 power supply voltage 1 to amplifiers OUT4+ 21 channel 4 positive output STB 22 standby, operating or mute mode select input OUT4 − 23 channel 4 negative output PGND4 24 power ground 4 DIAG 25 diagnostic and clip detection output, active LOW VDCDC 26 power supply voltage from optional DC-to-DC converter SW2 27 antenna switch; supplies unregulated power to car aerial motor REG6 28 regulator 6 output; supply for bus controller SW1 29 amplifier switch; supplies unregulated power to amplifier(s) REG1 30 regulator 1 output; supply for audio part of radio and CD player REG3 31 regulator 3 output; supply for signal processor part (mechanical digital) of CD player GND 32 combined voltage regulator, power and signal ground REG4 33 regulator 4 output; supply for mechanical part (mechanical drive) of CD player REG5 34 regulator 5 output; supply for display part of radio and CD player VP 35 power supply to voltage regulators BUCAP 36 connection for backup capacitor REG2 37 regulator 2 output; supply voltage to microcontroller |
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