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TPA2000D1 Datasheet(PDF) 1 Page - Texas Instruments

Part No. TPA2000D1
Description  2-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

TPA2000D1 Datasheet(HTML) 1 Page - Texas Instruments

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GQC
PW
www.ti.com
FEATURES
APPLICATIONS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
INP
INN
SHUTDOWN
GAIN0
GAIN1
PVDD
OUTP
PGND
BYPASS
AGND
COSC
ROSC
VDD
PVDD
OUTN
PGND
PW PACKAGE
(TOP VIEW)
MicroStar Juniort (GQC) Package
(TOP VIEW)
AGND
PVDD
INN
INP
NOTE: The shaded terminals are used for thermal
connections to the ground plane.
BYPASS
COSC
OUTN
PGND
NC
ROSC
VDD
PVDD
PVDD
SHUTDOWN
GAIN0
GAIN1
PVDD
OUTP
NC – No internal connection, still requires a pad for the ball.
(SIDE VIEW)
A1
B1
C1
D1
E1
F1
G1
A7
B7
C7
D7
E7
F7
G7
A2
A6
DESCRIPTION
TPA2000D1
SLOS328F – JUNE 2000 – REVISED MARCH 2004
2-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER
Modulation Scheme Optimized to Operate
Without a Filter
4 mm
× 4 mm MicroStar Junior BGA and
TSSOP Package Options
2 W Into a 4-
Ω Speaker (THD+N<1%)
<0.2% THD+N at 1.5 W, 1 kHz, Into a 4-
Ω Load
Extremely Efficient Third Generation 5-V
Class-D Technology:
– Low-Supply Current (No Filter): 4 mA
– Low-Supply Current (Filter): 7.5 mA
– Low-Shutdown Current: 0.05 µA
– Low-Noise Floor: 40 µVRMS (No-Weighting
Filter)
– Maximum Efficiency Into 8
Ω, 75 - 85 %
– 4 Internal Gain Settings: 6 to 23.5 dB
– PSRR: -77 dB
Integrated Depop Circuitry
Short-Circuit Protection (Short to Battery,
Ground, and Load)
High-Efficiency For Extended Battery Run
Time
The TPA2000D1 is a 2-W mono bridge-tied-load (BTL) class-D amplifier designed to drive a speaker with at least
4-
Ω impedance. The amplifier uses TI's 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 that 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 TPA2000D1 is available in the 16-pin TSSOP and MicroStar Junior™ BGA packages that drive 2 W of
continuous output power into a 4-
Ω load. TPA2000D1 operates over an ambient temperature range of -40°C to
85
°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.
MicroStar Junior is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2000–2004, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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