NJM2521
-1-
Ver.2003-09-12
3-INPUT 1-OUTPUT AUDIO SWITCH
■ GENERAL DESCRIPTION ■ PACKAGE OUTLINE
The NJM2521 is 58kΩ input impedance 3-input 1-output audio
switch.
It contains two bias-type inputs and one buffer-type output.
■ FEATURES
● Operating Voltage ( +4.75V~+13V )
● Crosstalk ( -70dB typ. )
● Input Impedance ( 58kΩ typ. )
● 3-Input,1-Output
● Bipolar Technology
● Package Outline DIP8,DMP8,SSOP8
■ PIN CONFIGURATION
NJM2521D NJM2521M
NJM2521V
PIN FUNCTION
1. Vin1
2. SW1
3. Vin2
4. SW2
5. Vin3
6. V
+
7. Vout
8. GND
NJM2521D
NJM2521M
NJM2521V
NJM2521
- 2 -
Ver.2003-09-12
■ ABSOLUTE MAXIMUM RATINGS
( Ta=25˚C )
PARAMETER SYMBOL RATINGS UNIT
Supply Voltage V
+
+15 V
( DIP8 ) 500
( DMP8 ) 300
Power Dissipation P
D
( SSOP8 ) 250
mW
Operating Temperature Range T
opr
-20~+75 ˚C
Storage Temperature Range T
stg
-40~+125 ˚C
■ ELECTRICAL CHARACTERISTICS
( V
+
=5V,Ta=25˚C )
PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT
Operating Voltage V
+
+4.75 - +13.0 V
Operating Current I
CC
- 11.0 14.5 mA
Frequency Characteristics G
f
V
IN
=2V
P-P
,V
O
=10MHz / 100kHz -1.0 0 +1.0 dB
Voltage Gain G
V
V
IN
=2V
P-P
,100kHz -0.5 0 +0.5 dB
Total Harmonic Distortion THD V
IN
=2.5V
P-P
,1kHz - 0.03 -
%
Output Offset Voltage V
off
-35 0 +35 mV
Switching Voltage V
CH
2.4 - - V
V
CL
- - 0.8 V
Input Impedance R
I
- 58 - kΩ
Output Impedance R
O
- 10 - Ω
■ INPUT CONTROL SIGNAL-OUTPUT SIGNAL ■ TEST CIRCUIT
SW1 SW2 OUTPUT SIGNAL
L L V
IN
1
H L V
IN
2
L/H H V
IN
3
■ APPLICATION
Oscillation Prevention on light loading conditions
Recommended under circuit
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
