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參數資料
| 型號： | TPA3007D1PWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 6.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封裝： | GREEN, PLASTIC, TSSOP-24 |
| 文件頁數： | 16/22頁 |
| 文件大小： | 451K |
| 代理商： | TPA3007D1PWR |
www.ti.com
Gate
Drive
_
+
Gate
Drive
_
+
_
+
_
+
Gain
Adjust
Gain
Adjust
Start-Up
Protection
Logic
Short-Circuit
Detect
Thermal
VCC OK
Ramp
Generator
Biases
and
References
Gain
2
AGND
VREF
PVCC
INN
OUTN
PGND
PVCC
OUTP
PGND
INP
SHUTDOWN
GAIN1
GAIN0
COSC
ROSC
BYPASS
SD
_
+
_
+
Deglitch
Logic
Deglitch
Logic
VCC
BSP
BSN
Clamp
Reference
VCLAMP
SLOS418D – SEPTEMBER 2003 – REVISED MARCH 2008
Terminal Functions
TERMINAL
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
F
BSN
8
I
capacitor with a 51
resistor in series from OUTN to BSN)
Bootstrap terminal for high-side gate drive of positive BTL output (connect a 0.22
F
BSP
17
I
capacitor with a 51
resistor in series from OUTP to BSP)
BYPASS
22
I
Connect 1
F 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 2 for gain settings)
GAIN1
4
I
Bit 1 of gain control (see Table 2 for gain settings)
INN
1
I
Negative differential input
INP
2
I
Positive differential input
Negative BTL output, connect Schottky diode from PGND to OUTN for short-circuit
OUTN
10, 11
O
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 120 k
resistor to ground to set oscillation frequency
SHUTDOWN
5
I
Shutdown terminal (active low), TTL compatible, 21-V compliant
VCC
24
I
Analog high-voltage power supply
VCLAMP
7
O
Connect 1
F 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
F to 1 F capacitor to ground)
Functional Block Diagram
Copyright 2003–2008, Texas Instruments Incorporated
3
Product Folder Link(s): TPA3007D1
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