TS2007_11 Datasheet, PDF (1/29 Pages) STMicroelectronics – 3 W filter-free Class D audio power amplifer with 6-12 dB fixed gain select

TS2007
3 W filter-free Class D audio power amplifer with
6-12 dB fixed gain select
Features
■ Operating range from V_CC = 2.4 V to 5.5 V
■ Standby mode active low
■ Output power: 1.4 W at 5 V or 0.45 W at 3.0 V
into 8 Ω with 1% THD+N max.
■ Output power: 2.3 W at 5 V or 0.75 W at 3.0 V
into 4 Ω with 1% THD+N max.
■ Fixed gain select: 6 dB or 12 dB
■ Low current consumption
■ Efficiency: 88% typ.
■ Signal-to-noise ratio: 94 dB typ.
■ PSRR: 63 dB typ at 217 Hz with 6 dB gain
■ PWM base frequency: 280 kHz
■ Low pop & click noise
■ Thermal shutdown protection
■ DFN8 3 x 3 mm package
Applications
■ Cellular phones
■ PDAs
■ Notebook PCs
Description
The TS2007 is a class D power audio amplifier.
Able to drive up to 1.4 W into an 8 Ω load at 5 V, it
achieves outstanding efficiency compared to
typical class AB audio power amplifiers.
This device allows switching between two
different gains: 6 or 12dB via a logic signal on the
GS pin. A pop & click reduction circuitry provides
low on/off switching noise while allowing the
device to start within 5 ms. A standby function
(active low) allows lowering the current
consumption down to 10 nA typ.
TS2007IQT - DFN8
TS2007IQT - DFN8
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The TS2007 is available in DFN8 3 x 3 mm lead-
free packages.
May 2011
Doc ID 13123 Rev 4
1/29
www.st.com
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