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參數(shù)資料
| 型號： | NCP9004 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 2.65 W Filterless Class−D Audio Power Amplifier |
| 文件頁數(shù)： | 2/17頁 |
| 文件大?。?/td> | 323K |
| 代理商： | NCP9004 |
NCP9004
http://onsemi.com
2
TYPICAL APPLICATION
BYPASS
Data
Processor
GND
OUTM
Figure 1. Typical Application
OUTP
R
f
R
i
Positive
Differential
Input
INM
BYPASS
INTERNAL
BIASING
V
p
BYPASS
R
f
R
i
Negative
Differential
Input
INP
R
L
8
Shutdown
Control
SD
V
p
Cs
RAMP
GENERATOR
BATTERY
300 k
V
ih
V
il
PIN DESCRIPTION
Pin No.
Symbol
Type
Description
A1
INP
I
Positive Differential Input.
A2
GND
I
Analog Ground.
A3
OUTM
O
Negative BTL Output.
B1
V
p
I
Power Analog Positive Supply. Range: 2.5 V – 5.5 V.
B2
V
p
I
Power Analog Positive Supply. Range: 2.5 V – 5.5 V.
B3
GND
I
Analog Ground.
C1
INM
I
Negative Differential Input.
C2
SD
I
The device enters in Shutdown Mode when a low level is applied on this pin. An internal 300 k
resistor will force the device in shutdown mode if no signal is applied to this pin. It also helps to
save space and cost.
C3
OUTP
O
Positive BTL Output.
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