TS4962_10 STMICROELECTRONICS [STMicroelectronics], TS4962_10 Datasheet
TS4962_10
Manufacturer Part Number
TS4962_10
Description
2.8 W filter-free mono class D audio power amplifier
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.TS4962_10.pdf
(44 pages)
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Description
The TS4962 is a differential class-D BTL power
amplifier. It can drive up to 2.2 W into a 4 Ω load
and 1.4 W into an 8 Ω load at 5 V. It achieves
outstanding efficiency (88% typ.) compared to
standard AB-class audio amps.
January 2010
Operating from V
Standby mode active low
Output power: 2.8 W into 4 Ω and 1.7 W into
8 Ω with 10% THD+N maximum and 5 V power
supply
Output power: 2.2 W at 5 V or 0.7 W at 3.0 V
into 4 Ω with 1% THD+N maximum
Output power: 1.4 W at 5 V or 0.5 W at 3.0 V
into 8 Ω with 1% THD+N maximum
Adjustable gain via external resistors
Low current consumption 2 mA at 3 V
Efficiency: 88% typical
Signal to noise ratio: 85 dB typical
PSRR: 63 dB typical at 217 Hz with 6 dB gain
PWM base frequency: 280 kHz
Low pop & click noise
Thermal shutdown protection
Available in DFN8 3 x 3 mm package
Cellular phones
PDAs
Notebook PCs
CC
= 2.4 V to 5.5 V
2.8 W filter-free mono class D audio power amplifier
Doc ID 10968 Rev 8
The gain of the device can be controlled via two
external gain setting resistors. Pop & click
reduction circuitry provides low on/off switch noise
while allowing the device to start within 5 ms. A
standby function (active low) enables the current
consumption to be reduced to 10 nA typical.
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TS4962IQT pinout
DFN8 3 x 3 mm
EXPOSED
EXPOSED
PAD
PAD
8
8
6
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5
5
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TS4962
www.st.com
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