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TPA2001D1PW Datasheet

  • TPA2001D1PW

  • 1-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER

  • 13頁(yè)

  • TI

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TPA2001D1
1-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER
SLOS338D 鈥?SEPTEMBER 2000 鈥?REVISED DECEMBER 2002
D
Modulation Scheme Optimized to Operate
D
D
D
D
Without a Filter
TSSOP Package Options
1 W Into an 8-鈩?Speaker (THD+N<1%)
<0.2%
THD+N at 1 W, 1 kHz, Into an
8-鈩?Load
Extremely Efficient Third Generation 5-V
Class-D Technology:
鈥?Low-Supply Current (No Filter) . . . 4 mA
鈥?Low-Supply Current (Filter) . . . 7.5 mA
鈥?Low-Shutdown Current . . . 0.05
碌A(chǔ)
鈥?Low-Noise Floor . . . 40
碌V
RMS
(No-Weighting Filter)
鈥?Maximum Efficiency Into 8
鈩?
75 鈥?85%
鈥?4 Internal Gain Settings . . . 6 鈥?23.5 dB
鈥?PSRR . . . 鈥?7 dB
Integrated Depop Circuitry
Short-Circuit Protection (Short to Battery,
Ground, and Load)
INP
INN
SHUTDOWN
GAIN0
GAIN1
PV
DD
OUTP
PGND
1
2
3
4
5
6
7
8
PW PACKAGE
(TOP VIEW)
16
15
14
13
12
11
10
9
BYPASS
AGND
COSC
ROSC
V
DD
PV
DD
OUTN
PGND
D
D
description
The TPA2001D1 is a 1-W mono bridge-tied-load (BTL) class-D amplifier designed to drive a speaker with at
least 8-鈩?impedance. The amplifier uses TI鈥檚 third generation modulation technique, which results in improved
efficiency and SNR. It also allows the device to be connected directly to the speaker without the use of the LC
output filter commonly associated with class-D amplifiers (this results in EMI which must be shielded at the
system level). These features make the device ideal for use in devices where high-efficiency is needed to extend
battery run time.
The gain of the amplifier is controlled by two input terminals, GAIN1, and GAIN0. This allows the amplifier to
be configured for a gain of 6, 12, 18, and 23.5 dB. The differential input terminals are high-impedance CMOS
inputs, and can be used as summing nodes.
The class-D BTL amplifier includes depop circuitry to reduce the amount of turnon pop at power up, and when
cycling SHUTDOWN.
The TPA2001D1 is available in the 16-pin TSSOP package that drives 1 W of continuous output power into an
8-鈩?load. TPA2001D1 operates over an ambient temperature range of 鈥?0擄C to 85擄C.
AVAILABLE OPTIONS
TA
鈥?40擄C to 85擄C
PACKAGED DEVICES
TSSOP (PW)
鈥?/div>
TPA2001D1PW
鈥?The PW package is available taped and reeled. To order a taped and reeled
part, add the suffix R to the part number (e.g., TPA2001D1PWR).
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.
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
錚?/div>
2002, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

TPA2001D1PW 產(chǎn)品屬性

  • 90

  • 集成電路 (IC)

  • 線性 - 音頻放大器

  • -

  • D 類

  • 1-通道（單聲道）

  • 1W x 1 @ 8 歐姆

  • 2.7 V ~ 5.5 V

  • 消除爆音，差分輸入，短路保護(hù)，關(guān)機(jī)

  • 表面貼裝

  • 16-TSSOP

  • 16-TSSOP（0.173"，4.40mm 寬）

  • 管件

  • 296-10832-ND - EVAL MOD FOR TPA2001D1

  • 296-7010-5

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