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TPA0211 Datasheet

  • TPA0211

  • 2-W MONO AUDIO POWER AMPLIFIER

  • 6頁(yè)

  • TI

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TPA0211
2-W MONO AUDIO POWER AMPLIFIER
SLOS275B 鈥?JANUARY 2000 鈥?REVISED MARCH 2000
D
D
D
D
D
D
D
D
D
Ideal for Wireless Communicators,
Notebook PCs, PDAs, and Other Small
Portable Audio Devices
2 W Into 4-鈩?From 5-V Supply
0.6 W Into 4-鈩?From 3-V Supply
Wide Power Supply Compatibility
3 V to 5 V
Low Supply Current
鈥?4 mA Typical at 5 V
鈥?4 mA Typical at 3 V
Shutdown Control . . . 1
碌A(chǔ)
Typical
Shutdown Pin is TTL Compatible
鈥?0擄C to 85擄C Operating Temperature
Range
Space-Saving, Thermally-Enhanced MSOP
Packaging
DGN PACKAGE
(TOP VIEW)
IN
SHUTDOWN
V
DD
BYPASS
1
2
3
4
8
7
6
5
V
O鈥?/div>
GND
SE/BTL
V
O+
description
The TPA0211 is a 2-W mono bridge-tied-load (BTL) amplifier designed to drive speakers with as low as 4-鈩?/div>
impedance. The device is ideal for use in small wireless communicators, notebook PCs, PDAs, anyplace a
mono speaker and stereo head phones are required. From a 5-V supply, the TPA0211 can delivery 2-W of power
into a 4-鈩?speaker.
The gain of the input stage is set by the user-selected input resistor and a 50-k鈩?internal feedback resistor
(A
V
= 鈥?R
F
/ R
I
). The power stage is internally configured with a gain of 鈥?.25 V/V in SE mode, and 鈥?.5 V/V in
BTL mode. Thus, the overall gain of the amplifier is 62.5 k鈩? R
I
in SE mode and 125 k鈩? R
I
in BTL mode. The
input terminals are high-impedance CMOS inputs, and can be used as summing nodes.
The TPA0211 is available in the 8-pin thermally-enhanced MSOP package (DGN) and operates over an ambient
temperature range of 鈥?0擄C to 85擄C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerPAD is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
漏
2000, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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