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NJM2781RB1 Datasheet

  • NJM2781RB1

  • Monaural Microphone Amplifier

  • 11頁

  • NJRC

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NJM2781
Monaural Microphone Amplifier
I
GENERAL DESCRIPTION
NJM2781
is a monaural microphone amplifier IC with a standby
function, and can vary a voltage gain by adjusting an external
resistor.
Since the
NJM2781
operates with a low voltage range of +2.7V to
+4.5V and is available in tiny packages of TVSP8 and SSOP8, it is
ideally suited for portable and handheld components.
I
PACKAGE OUTLINE
NJM2781RB1
NJM2781V
I
FEATURES
G
Operating Voltage
G
Operating Current
G
Bipolar Technology
G
Package Outline
I
BLOCK DIAGRAM
+2.7V to +4.5 V
1.8mA typ.
1碌A(chǔ) max. (in Standby mode)
TVSP8, SSOP8
NOISE
1
REG
GND
8
7
6
5
2
STBY
Reg
V+
3
4
OUT
IN+
IN-
I
PIN FUNCTION
No.
1
8
1
2
4
5
3
4
SYMBOL
NOISE
REG
STBY
IN+
FUNCTION
Noise Bypass
Regulator Output
Standby On/Off
Non-Inverted Input
No.
5
6
7
8
SYMBOL
IN-
OUT
V+
GND
FUNCTION
Inverted Input
Output
Power Supply
Ground
鈥?鈥?/div>

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