NJM2521
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
●
Crosstalk
●
Input Impedance
●
3-Input,1-Output
●
Bipolar Technology
●
Package Outline
■
PIN CONFIGURATION
NJM2521D
NJM2521M
( +4.75V~+13V )
( -70dB typ. )
( 58kΩ typ. )
DIP8,DMP8,SSOP8
NJM2521V
PIN FUNCTION
1. Vin1
2. SW1
3. Vin2
4. SW2
5. Vin3
+
6. V
7. Vout
8. GND
NJM2521D
NJM2521M
NJM2521V
Ver.2003-09-12
-1-
NJM2521
■
ABSOLUTE MAXIMUM RATINGS
( Ta=25˚C )
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
+
V
P
D
T
opr
T
stg
RATINGS
+15
( DIP8 ) 500
( DMP8 ) 300
( SSOP8 ) 250
-20~+75
-40~+125
UNIT
V
mW
˚C
˚C
■
ELECTRICAL CHARACTERISTICS
( V
+
=5V,Ta=25˚C )
PARAMETER
Operating Voltage
Operating Current
Frequency Characteristics
Voltage Gain
Total Harmonic Distortion
Output Offset Voltage
Switching Voltage
Input Impedance
Output Impedance
SYMBOL
+
V
I
CC
G
f
G
V
THD
V
off
V
CH
V
CL
R
I
R
O
TEST CONDITIONS
V
IN
=2V
P-P
,V
O
=10MHz / 100kHz
V
IN
=2V
P-P
,100kHz
V
IN
=2.5V
P-P
,1kHz
MIN.
+4.75
-
-1.0
-0.5
-
-35
2.4
-
-
-
TYP.
-
11.0
0
0
0.03
0
-
-
58
10
MAX.
+13.0
14.5
+1.0
+0.5
-
+35
-
0.8
-
-
UNIT
V
mA
dB
dB
%
mV
V
V
kΩ
Ω
■
INPUT CONTROL SIGNAL-OUTPUT SIGNAL
SW1
L
H
L/H
SW2
L
L
H
OUTPUT SIGNAL
V
IN
1
V
IN
2
V
IN
3
■
TEST CIRCUIT
■
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.
-2-
Ver.2003-09-12
嵌入式系统
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