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参数资料
| 型号： | TPA3001D1PWPRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 20 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封装： | GREEN, PLASTIC, HTSSOP-24 |
| 文件页数： | 12/28页 |
| 文件大小： | 504K |
| 代理商： | TPA3001D1PWPRG4 |
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1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
INN
INP
GAIN0
GAIN1
SHUTDOWN
PGND
VCLAMP
BSN
PVCC
OUTN
PGND
VCC
VREF
BYPASS
COSC
ROSC
AGND
BSP
PVCC
OUTP
PGND
PWP PACKAGE
(TOP VIEW)
SLOS398E – DECEMBER 2002 – REVISED AUGUST 2010
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
AVAILABLE OPTIONS(1)
PACKAGED DEVICES
TA
TSSOP (PWP)(2)
–40°C to 85°C
TPA3001D1PWP
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
Web site at www.ti.com.
(2)
The PWP package is available taped and reeled. To order a taped and reeled part, add the suffix R to the part number (e.g.,
TPA3001D1PWPR).
Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
AGND
18, 19
Analog ground terminal
Bootstrap terminal for high-side gate drive of negative BTL output (connect a 0.22-mF capacitor with a 51-
BSN
8
I
resistor in series from OUTN to BSN)
Bootstrap terminal for high-side gate drive of positive BTL output (connect a 0.22-mF capacitor with a 51-
BSP
17
I
resistor in series from OUTP to BSP)
BYPASS
22
I
Connect 1-mF capacitor to ground for BYPASS voltage filtering
COSC
21
I
Connect a 220-pF capacitor to ground to set oscillation frequency
GAIN0
3
I
Bit 0 of gain control (see Table 1 for gain settings)
GAIN1
4
I
Bit 1 of gain control (see Table 1 for gain settings)
INN
1
I
Negative differential input
INP
2
I
Positive differential input
OUTN
10, 11
O
Negative BTL output, connect Schottky diode from PGND to OUTN for short-circuit protection
OUTP
14, 15
O
Positive BTL output, connect Schottky diode from PGND to OUTP for short-circuit protection
PGND
6, 12, 13
Power ground
PVCC
9, 16
I
High-voltage power supply (for output stages)
ROSC
20
I
Connect a 120-k
resistor to ground to set oscillation frequency
SHUTDOWN
5
I
Shutdown terminal (negative logic), TTL compatible, 21-V compliant
VCC
24
I
Analog high-voltage power supply
VCLAMP
7
O
Connect 1-mF capacitor to ground to provide reference voltage for H-bridge gates
VREF
23
O
5-V internal regulator for control circuitry (connect a 0.1-mF to 1-mF capacitor to ground)
Connect to AGND and PGND – should be star point for both grounds. Internal resistive connection to AGND.
Thermal pad
–
Thermal vias on the PCB should connect this pad to a large copper area on an internal or bottom layer for the
best thermal performance. The PAD must be soldered to the PCB for mechanical reliability.
2
Copyright 2002–2010, Texas Instruments Incorporated
Product Folder Link(s): TPA3001D1
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