TS4962_07 STMICROELECTRONICS [STMicroelectronics], TS4962_07 Datasheet
TS4962_07
Manufacturer Part Number
TS4962_07
Description
2.8W filter-free mono class D audio power amplifier
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.TS4962_07.pdf
(46 pages)
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Features
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Description
The TS4962 is a differential class-D BTL power
amplifier. It is able to drive up to 2.2W into a 4Ω
load and 1.4W into a 8Ω load at 5V. It achieves
outstanding efficiency (88% typ.) compared to
standard AB-class audio amps.
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 5ms. A
standby function (active low) allows the reduction
of current consumption to 10nA typ.
January 2007
Operating from V
Standby mode active low
Output power: 2.8W into 4Ω and 1.7W into 8Ω
with 10% THD+N max and 5V power supply
Output power: 2.2W @5V or 0.7W @ 3.0V into
4Ω with 1% THD+N max.
Output power: 1.4W @5V or 0.5W @ 3.0V into
8Ω with 1% THD+N max.
Adjustable gain via external resistors
Low current consumption 2mA @ 3V
Efficiency: 88% typ.
Signal to noise ratio: 85dB typ.
PSRR: 63dB typ. @217Hz with 6dB gain
PWM base frequency: 280kHz
Low pop & click noise
Thermal shutdown protection
Available in DFN8 3X3 mm package
CC
=2.4V to 5.5V
2.8W filter-free mono class D audio power amplifier
Rev 7
Applications
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Cellular phone
PDA
Notebook PC
TS4962IQT - Pinout
DFN8 3x3 mm
TS4962
www.st.com
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