NJM2750
4 INPUT / 1 OUTPUT STEREO AUDIO SELECTOR
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GENERAL DESCRIPTION
The NJM2750 is 4 Input / 1 Output Stereo Audio Selector.
Based on the internal Switch OP-AMP technology, the
NJM2750 has lower Output Noise, lower Distortion and
higher Channel Separation than the ordinary Multiplexers or
Analogue Switches.
The NJM2750 is suitable for any kinds of audio
equipments, such as TV, Car Stereo, Mini-Compo and so
on.
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PACKAGE OUTLINE
NJM2750M
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FEATURES
q
Operating Voltage
(4.7 to 13V)
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4 Input / 1 Output Audio Selectors
q
Dual Channel for Stereo Use
q
Low Output Noise
(-110dBV typ.)
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Low Distortion
(0.005% typ.)
q
Bipolar Technology
q
Package Outline
(DMP16)
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BLOCK DIAGRAM
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PIN CONFIGURATION
IN1a
1
16
15
V+
GND
OUTa
V+
IN3a
Vref
OUTb
(N.C.)
IN3b
CNT1 2
IN2a
3
LOGIC
bias
14
13
12
11
10
9
CNT2 4
IN4a
IN1b
IN2b
IN4b
5
6
7
8
PIN No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SYMBOL
IN1a
CNT1
IN2a
CNT2
IN4a
IN1b
IN2b
IN4b
IN3b
(N.C.)
OUTb
Vref
IN3a
V+
OUTa
GND
FUNCTION
Ach INPUT SELECTOR
CONTROL 1
Ach INPUT SELECTOR 2
CONTROL 2
Ach INPUT SELECTOR 4
Bch INPUT SELECTOR 1
Bch INPUT SELECTOR 2
Bch INPUT SELECTOR 4
Bch INPUT SELECTOR 3
NO CONNECT
Bch OUTPUT
REFERENCE VOLTAGE
Ach INPUT SELECTOR 3
POWER SUPPLY
Ach OUTPUT
GROUND
-1-
NJRC [ NEW JAPAN RADIO ]
