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TPA2000D1GQC Datasheet

  • TPA2000D1GQC

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

  • 14頁(yè)

  • TI

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TPA2000D1
2-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER
SLOS328B 鈥?JUNE 2000 鈥?REVISED MAY 2001
D
D
D
D
D
D
D
Modulation Scheme Optimized to Operate
Without a Filter
2 W Into a 4-鈩?Speaker (THD+N<1%)
<0.2%
THD+N at 1.5 W, 1 kHz, Into a 4-鈩?/div>
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?PSSR . . . 鈥?7 dB
Integrated Depop Circuitry
Short-Circuit Protection (Short to Battery,
Ground, and Load)
鈥?0擄C to 85擄C Operating Temperature
Range
PW PACKAGE
(TOP VIEW)
INP
INN
SHUTDOWN
GAIN0
GAIN1
PV
DD
OUTP
PGND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
BYPASS
AGND
COSC
ROSC
V
DD
PV
DD
OUTN
PGND
MicroStar Junior
t
(GQC) Package
(TOP VIEW)
INP
INN
SHUTDOWN
GAIN0
GAIN1
PVDD
PVDD
OUTP
A1
B1
C1
D1
E1
F1
G1
A2
AGND BYPASS
A6
A7
B7
C7
D7
E7
F7
G7
NC
COSC
ROSC
VDD
PVDD
PVDD
OUTN
description
PGND
(SIDE VIEW)
The TPA2000D1 is a 2-W mono bridge-tied-load
(BTL) class-D amplifier designed to drive a
NC 鈥?No internal connection, still requires a pad for the ball.
speaker with at least 4-鈩?impedance. The
NOTE: The shaded terminals are used for thermal
amplifier uses TI鈥檚 third generation modulation
connections to the ground plane.
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 will result 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 TPA2000D1 is available in the 16-pin TSSOP package (PW) which is capable of driving 2-W continuous
output power level into a 4-鈩?load. TPA2000D1 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>
GQC
TPA2000D1PW
TPA2000D1GQC
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., TPA2000D1PWR).
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.
This document contains information on products in more than one phase
of development. The status of each device is indicated on the page(s)
specifying its electrical characteristics.
Copyright
錚?/div>
2001, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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