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TS421IQT

360mW mono audio amplifier with active low standby mode

Operating RangeIndustrial
Supply Voltage Min Volt2.0
Supply Voltage Max Volt5.5
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack3
GradeIndustrial
Package NameQFN-8L P 0.5 mm

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...
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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 DFN 3x3
In stock
Quantity $ per unit Savings
1-9$1.400%
10-24$1.2610%
25-99$1.2015%
100-150$0.9830%
Contact sales
$1.40
$1.40
Operating RangeIndustrial
Supply Voltage Min Volt2.0
Supply Voltage Max Volt5.5
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack3
GradeIndustrial
Package NameQFN-8L P 0.5 mm

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...
Read More

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 DFN 3x3