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参数资料
| 型号： | TS2007IQT |
| 厂商： | 意法半导体 |
| 英文描述： | 3W filter-free Class D audio power amplifer with 6-12dB fixed gain select |
| 中文描述： | 3W无滤波器D类音频放大器6 - 12dB的固定增益选择 |
| 文件页数： | 1/29页 |
| 文件大小： | 407K |
| 代理商： | TS2007IQT |
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May 2007
Rev 3
1/29
29
TS2007
3W filter-free Class D audio power amplifer with
6-12dB fixed gain select
Features
■
Operating range from V
CC
=2.4V to 5.5V
■
Standby mode active low
■
Output power: 1.4W @5V or 0.45W @ 3.0V
into 8
Ω
with 1% THD+N max.
■
Output power: 2.3W @5V or 0.75W @ 3.0V
into 4
Ω
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.
The TS2007 is available in DFN8 3x3mm lead-
free packages.
TS2007IQT - DFN8
TS2007IQT - DFN8
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www.st.com
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