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STMicroelectronics Electronic Components Datasheet

TS2007 Datasheet

3W filter-free Class D audio power amplifier

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TS2007
3W filter-free Class D audio power amplifer with
6-12dB fixed gain select
Features
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Operating range from VCC=2.4V to 5.5V
Standby mode active low
Output power: 1.4W @5V or 0.45W @ 3.0V
into 8Ω with 1% THD+N max.
Output power: 2.3W @5V or 0.75W @ 3.0V
into 4Ω with 1% THD+N max.
Fixed gain select: 6dB or 12dB
Low current consumption
Efficiency: 88% typ.
Signal-to-noise ratio: 94dB typ.
PSRR: 63dB typ @ 217Hz with 6dB gain.
PWM base frequency: 280kHz
Low pop & click noise
Thermal shutdown protection
DFN8 3x3mm package
Applications
Cellular phone
PDA
Notebook PC
Description
The TS2007 is a class D power audio amplifier.
Able to drive up to 1.4W into an 8 Ω load at 5V, it
achieves outstanding efficiency compared to
typical class AB audio power amplifier.
This device allows to switch between two different
gains: 6 or 12dB via a logic signal on the GS pin.
A pop & click reduction circuitry provides low
on/off switch noise while allowing the device to
start within 5ms. A standby function (active low)
allows to lower the current consumption down to
10nA typ.
TS2007IQT - DFN8
TS2007IQT - DFN8
18
27
36
45
The TS2007 is available in DFN8 3x3mm lead-
free packages.
May 2007
Rev 2
1/29
www.st.com
29


STMicroelectronics Electronic Components Datasheet

TS2007 Datasheet

3W filter-free Class D audio power amplifier

No Preview Available !

Contents
Contents
TS2007
1
2
3
4
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5
6
7
Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 3
Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Electrical characteristic tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 Electrical characteristic curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.1 Differential configuration principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.2 Gain settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.3 Common mode feedback loop limitations . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.4 Low frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.5 Decoupling of the circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.6 Wake-up time (twu) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.7 Shutdown time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.8 Consumption in shutdown mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.9 Single-ended input configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.10 Output filter considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2/29


Part Number TS2007
Description 3W filter-free Class D audio power amplifier
Maker ST Microelectronics
Total Page 29 Pages
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