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TPA6211A1DGNR

Mfr. #:
TPA6211A1DGNR
Mfr.:
Texas Instruments
Product Type:
Mono Class-AB Audio Amplifier
Series:
TPA6211A1
Package / Case:
HVSSOP-8
Description:
Mono Class-AB Audio Amplifier

Product Attributes

AttributeValue
GainExternal input resistance sets gain; nominal 40 kohm feedback resistance divided byRI
Supply Voltage2.5 to 5.5V
Supply Current4 mA typical/5 mA maximum no load at 25°C; 0.01 uA typical shutdown
Operating Temperature-40 to +85°C ambient
TopologyMono fully differential Class-AB amplifier with BTL speaker output
Output Power3.1W typical into 3 ohm at 5V, 10%THD; 2.22W typical into 4 ohm at 5V, 1%THD+N, f=1 kHz
Input Common-Mode0.5V to VDD-0.8V for 2.5to 5.5-V supply
THD + Noise0.03% typical at 1.8W, RL=4 ohm, VDD=5V, f=1 kHz, gain 1 V/V, 25°C
Output Noise15uVrms unweighted, 12uVrms A-weighted typical; VDD=3.6V, 20Hzto 20 kHz, inputsAC-grounded via 2 uF
ControlActive-low shutdown; optional bypass capacitor tradesstartup time for supply-noise rejection
Package DetailsHVSSOP/MSOP PowerPAD,DGN,8 pins;3 x3 mm body;0.65 mm pitch;1.1 mm maximum height

Product Description

TPA6211A1DGNR drives a speaker differentially with a bridge-tied Class-AB output. The quoted 3.1 W point allows 10% distortion, so the lower 1%-THD power point is a more useful comparison for cleaner audio output.

External input resistors set closed-loop gain, and the bypass capacitor controls a startup/noise-rejection tradeoff. Both speaker outputs are active nodes; neither is a ground-return output.

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