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TS421 - 360mW mono amplifier

This page provides the datasheet information for the TS421, a member of the TS419 360mW mono amplifier family.

Datasheet Summary

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.

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.

📥 Download Datasheet

Datasheet preview – TS421

Datasheet Details

Part number TS421
Manufacturer STMicroelectronics
File Size 1.02 MB
Description 360mW mono amplifier
Datasheet download datasheet TS421 Datasheet
Additional preview pages of the TS421 datasheet.

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Full PDF Text Transcription

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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 mW mono amplifier with standby mode 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.
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