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TS4997IQT bảng dữ liệu(PDF) 1 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  2 x 1W differential input stereo audio amplifier with programmable 3D effects
PDF  34 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4997IQT bảng dữ liệu(HTML) 1 Page - STMicroelectronics

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February 2007
Rev 2
1/34
34
TS4997
2 x 1W differential input stereo audio amplifier
with programmable 3D effects
Features
■ Operating range from VCC= 2.7V to 5.5V
■ 1W output power per channel @ VCC=5V,
THD+N=1%, RL=8Ω
■ Ultra low standby consumption: 10nA typ.
■ 80dB PSRR @ 217Hz with grounded inputs
■ High SNR: 106dB(A) typ.
■ Fast startup time: 45ms typ.
■ Pop&click-free circuit
■ Dedicated standby pin per channel
■ Lead-free QFN16 4x4mm package
Applications
■ Cellular mobile phones
■ Notebook and PDA computers
■ LCD monitors and TVs
■ Portable audio devices
Description
The TS4997 is designed for top-class stereo
audio applications. Thanks to its compact and
power-dissipation efficient QFN16 package with
exposed pad, it suits a variety of applications.
With a BTL configuration, this audio power
amplifier is capable of delivering 1W per channel
of continuous RMS output power into an 8
Ω load
@ 5V.
3D effects enhancement is programmed through
a two digital input pin interface that allows more
flexibility on each output audio sound channel.
Each output channel (left and right), also has its
own external controlled standby mode pin to
reduce the supply current to less than 10nA per
channel. The device also features an internal
thermal shutdown protection.
The gain of each channel can be configured by
external gain setting resistors.
QFN16 4x4mm
Pin connections (top view)
56
7
8
16
15
14
13
12
11
10
9
1
2
3
4
LIN-
LIN+
RIN+
RIN-
LOUT+
LOUT-
ROUT+
ROUT-
BYP VCC
3D1
3D0
GND GND
STBYR
STBYL
56
7
8
16
15
14
13
16
15
14
13
12
11
10
9
1
2
3
4
LIN-
LIN+
RIN+
RIN-
LOUT+
LOUT-
ROUT+
ROUT-
BYP VCC
3D1
3D0
GND GND
STBYR
STBYL
www.st.com


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