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TPA2001D1GQCR

更新时间： 2024-09-20 23:37:11
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其他 - ETC 运算放大器
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14页 203K
描述
Operational Amplifier

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TPA2001D1GQCR 数据手册

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TPA2001D1  
1-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER  
SLOS338B – SEPTEMBER 2000 – REVISED AUGUST 2002  
PW PACKAGE  
(TOP VIEW)  
D
D
Modulation Scheme Optimized to Operate  
Without a Filter  
4 mm × 4 mm MicroStar Junior BGA and  
TSSOP Package Options  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
INP  
INN  
SHUTDOWN  
GAIN0  
BYPASS  
AGND  
COSC  
ROSC  
D
1 W Into an 8-Ω Speaker (THD+N<1%)  
D
<0.2% THD+N at 1 W, 1 kHz, Into an  
8-Ω Load  
GAIN1  
V
DD  
PV  
PV  
DD  
OUTN  
PGND  
DD  
D
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  
OUTP  
PGND  
MicroStar Juniort (GQC) Package  
(TOP VIEW)  
– Low-Noise Floor . . . 40 µV  
RMS  
INP  
AGND BYPASS  
(No-Weighting Filter)  
A2  
A6  
A7  
A1  
B1  
C1  
D1  
– Maximum Efficiency Into 8 Ω, 75 – 85%  
– 4 Internal Gain Settings . . . 6 – 23.5 dB  
– PSRR . . . –77 dB  
NC  
COSC  
ROSC  
INN  
SHUTDOWN  
GAIN0  
B7  
C7  
D7  
E7  
F7  
G7  
V
PV  
PV  
GAIN1  
DD  
DD  
DD  
D
D
Integrated Depop Circuitry  
E1  
F1  
G1  
PV  
PV  
OUTP  
DD  
DD  
Short-Circuit Protection (Short to Battery,  
Ground, and Load)  
OUTN  
PGND  
description  
(SIDE VIEW)  
The TPA2001D1 is a 1-W mono bridge-tied-load  
(BTL) class-D amplifier designed to drive a  
speaker with at least 8-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  
NC – No internal connection, still requires a pad for the ball.  
NOTE: The shaded terminals are used for thermal  
connections to the ground plane.  
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 TPA2001D1 is available in the 16-pin TSSOP and MicroStar Junior BGA packages that will drive 1 W of  
continuous output power into an 8-Ω load. TPA2001D1 operates over an ambient temperature range of –40°C  
to 85°C.  
AVAILABLE OPTIONS  
PACKAGED DEVICES  
T
A
†
‡
TSSOP (PW)  
TPA2001D1PW  
GQC  
TPA2001D1GQCR  
–40°C to 85°C  
†
‡
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).  
The GQC package is only available taped and reeled.  
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.  
Copyright 2002, Texas Instruments Incorporated  
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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...14

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