NXP Semiconductors TDA8421
The TDA8421 is a monolithic bipolar integrated stereo sound circuit with a loudspeaker channel (CH1) and a headphone channel (CH2), digital controlled via the I2C bus, for application in hi-fi audio and television sound. I2C bus receiver and data handling Bus specification Bias and power supply TDA8421 The TDA8421 includes a bias and power supply stage, which generates a voltage of 1⁄2 VCC with a low output impedance and injector currents for the logic part.| Part No. | TDA8421 |
|---|---|
| Datasheet | TDA8421 Download |
| Manufacturer |  NXP Semiconductors |
| Description | Hi-fi stereo audio processor |
| Buy | Stock & Price |
GENERAL DESCRIPTION
FEATURES
● Input selector● Mode selector
● Loudspeaker channel (CH1); with volume control, balance control and mute
● Headphone channel (CH2); with volume control, balance control and mute
● Pseudo stereo and spatial function
● Bass and treble control
● Electrostatic discharge protection diodes QUICK REFERENCE DATA PARAMETER Supply voltage (pin 4) Input signal handling Input sensitivity full power at the output stage Signal plus noise-to-noise ratio Total harmonic distortion Channel separation Volume control range CH1 Treble control range Bass control range Volume control range CH2 PACKAGE OUTLINE 28-lead dual in-line; plastic (SOT117); SOT 117-1; 1996 november 19. Vi (S+N)/N THD α G G G G − − − − −62 −12 −12 −62 200 90 0,05 75 − − − − − − − − 16 12 15 0 mV dB % dB dB dB dB dB SYMBOL VCC VI MIN. 7,5 2 TYP. 12 − MAX. 14 − V V UNIT May 1988 2 May 1988 Philips Semiconductors Hi-fi stereo audio processor; I2C bus 3 Product specification * These values are dependent on the required frequency response and effect.
