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TS4909IQT

Ultra low power stereo headphone amplifier with capacitor-less output

Supply Voltage Min Volt2.2
Supply Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack1
GradeIndustrial
Package NameVDFPN 10 3x3x1.0

The TS4909 is a stereo audio amplifier designed to drive headphones in portable applications. The integrated phantom ground is a circuit topology that eliminates the heavy output coupling capacitors. This is of primary importance in portable applications where space constraints are very high. A...
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Key features
  • No output coupling capacitors necessary
  • Pop-and-click noise reduction circuitry
  • Operating from VCC = 2.2 V to 5.5 V
  • Standby mode active low
  • Output power:
    • 158 mW at 5 V, into 16 Ω with 1% THD+N max (1 kHz)
    • 52 mW at 3.0 V into 16 Ω with 1% THD+N max (1 kHz)
  • Ultra-low current consumption: 2.0 mA typ. at 3 V
  • Ultra-low standby consumption: 10 nA typ.
  • High signal-to-noise ratio: 105 dB typ. at 5 V
  • High crosstalk immunity: 110 dB (F = 1 kHz) for single-ended outputs
  • PSRR: 72 dB (F = 1 kHz), inputs grounded, for phantom ground outputs
  • Low tWU: 50 ms in PG mode, 100 ms in SE mode
  • Available in lead-free DFN10 3 x 3 mm
In stock
Quantity $ per unit Savings
1-9$1.560%
10-24$1.457%
25-99$1.3712%
100-249$1.1328%
250$1.0632%
Contact sales
$1.56
$1.56
Supply Voltage Min Volt2.2
Supply Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack1
GradeIndustrial
Package NameVDFPN 10 3x3x1.0

The TS4909 is a stereo audio amplifier designed to drive headphones in portable applications. The integrated phantom ground is a circuit topology that eliminates the heavy output coupling capacitors. This is of primary importance in portable applications where space constraints are very high. A...
Read More

Key features
  • No output coupling capacitors necessary
  • Pop-and-click noise reduction circuitry
  • Operating from VCC = 2.2 V to 5.5 V
  • Standby mode active low
  • Output power:
    • 158 mW at 5 V, into 16 Ω with 1% THD+N max (1 kHz)
    • 52 mW at 3.0 V into 16 Ω with 1% THD+N max (1 kHz)
  • Ultra-low current consumption: 2.0 mA typ. at 3 V
  • Ultra-low standby consumption: 10 nA typ.
  • High signal-to-noise ratio: 105 dB typ. at 5 V
  • High crosstalk immunity: 110 dB (F = 1 kHz) for single-ended outputs
  • PSRR: 72 dB (F = 1 kHz), inputs grounded, for phantom ground outputs
  • Low tWU: 50 ms in PG mode, 100 ms in SE mode
  • Available in lead-free DFN10 3 x 3 mm