NJM2752 NJR Corporation, NJM2752 Datasheet - Page 5

• Manufacturer Part Number: NJM2752
• Description: 2-Input / 1-Output Stereo Audio Selector
• Manufacturer: NJR Corporation

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Application note:
Resistor(100k) and capacitor(1 F) connected to CNT1 are added to reduce pop-noise.
The value of input capacitor connected to IN1A and IN2A depends on cut-off frequency(calculated by fc=1/2 RC)
you need. R(input impedance)=100k .
APPLICATION CIRCUIT (SSOP14)
+
100 F
100k
10 F
10 F
10 F
+
+
+
1 F
1
2
3
4
5
6
7
IN1A
V+
IN2A
CNT1
N.C
N.C
OUTA
OUTB
IN1B
IN2B
GND
Vref
N.C
N.C
14
13
12
11
10
9
8
+
+
+
+
10 F
10 F
10 F
10 F
NJM2752
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