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TS421 Datasheet 360mw Mono Amplifier

Manufacturer: STMicroelectronics

Overview: TS419IST : MiniSO8 Standby 1 Bypass 2 VIN+ 3 VIN- 4 8 VOUT2 7 GND 6 VCC 5 VOUT1 TS421IQT : DFN8 GND 1 VOUT2 2 Standby 3 Bypass 4 8 VCC 7 VOUT1 6 VIN+ 5 VIN- Maturity status link TS419, TS421 TS419, TS421 Datasheet 360.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The TS419 / TS421, is a monaural audio power amplifier driving in BTL mode a 16 or 32 Ω earpiece or receiver speaker.

The main advantage of this configuration is to get rid of bulky output capacitors.

Capable of descending to low voltages, it delivers up to 220 mW per channel (into 16 Ω loads) of continuous average power with 0.2% THD+N in the audio bandwidth from a 5 V power supply.

Key Features

  • Operating from VCC = 2 V to 5.5 V.
  • Standby mode active high (TS419) or low (TS421).
  • Output power into 16 Ω: 367 mW @ 5 V with 10% THD+N max or 295 mW @ 5 V and 110 mW @ 3.3 V with 1% THD+N max.
  • Low current consumption: 2.5 mA max.
  • High signal-to-noise ratio: 95 dB (A) at 5 V.
  • PSRR: 56 dB typ. at 1 kHz, 46 dB at 217 Hz.
  • Short-circuit limitation.
  • ON/OFF click reduction circuitry.
  • Available in MiniSO8 and.

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