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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 0

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: 10 Weeks
Minimum Order: 2,500
Multiple Of: 2,500
Quantity Web Price
2,500+ $0.275


Attributes Table
Type Class AB
No of Channels 1
Output Type Mono
Gain Bandwidth Product 1.5MHz
Supply Voltage-Max 5.5V
Output Power 1.2W
Output Impedance
Operating Temp Range -40°C to +85°C
Power Supply Rejection Ratio 64dB
Total Harmonic Distortion 0.2%
Features and Applications

The TS4990IDT is a 1.2 W audio power amplifier with active-low standby mode; designed for demanding audio applications such as mobile phones to reduce the number of external components.


  • Operating range from VCC = 2.2 V to 5.5 V
  • 1.2 W output power at VCC = 5 V, THD = 1%, F = 1 kHz, with 8 Ω load
  • Ultra-low consumption in standby mode (10 nA)
  • 62 dB PSRR at 217 Hz in grounded mode
  • Near-zero pop and click
  • Ultra-low distortion (0.1%)
  • Unity gain stable
  • Available in 9-bump flip-chip, miniSO-8 and DFN8 packages


  • Mobile phones (cellular / cordless)
  • Laptop / notebook computers
  • PDAs
  • Portable audio devices

View the available TS4990 series of Audio Amplifier