Ver.7
NJM2526
- 1 -
4 INPUT 1 OUTPUT VIDEO SWITCH with ISOLATION AMP.
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GENERAL DESCRIPTION
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PACKAGE OUTLINE
The NJM2526
is a 4-input 1-output video switch with isolation
amplifier. Isolation circuit removes the noise of a signal.
The NJM2526
includes sync chip clamp circuit. It is suitable for
the change of the composite signal, synchronized signal of the Car
AV equipment
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FEATURES
q
Operating Voltage 4.5 to 9.0V
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Internal Isolation Amp.
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Internal 4 input 1 output Video Switch
q
Syncchip Clamp
q
Bipolar Technology
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Package Outline SSOP16
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BLOCK DIAGLAM
NJM2526V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Vin4
VGND4
VGND3
VGND1
Vin1
VGND2
V
+
Vin3
GND
Vout2
MUTE
SW2
Vout1
SW3
SW1
Vin2
SW2
SW3
MUTE
SW1
Ver.7
NJM2526
- 2 -
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ABOSOLUTE MAXIMUM RATINGS
(Ta=25
C)
PARAMETER SYMBOL
RATING
UNIT
Supply Voltage
V
+
15.0 V
Power Dissipation
P
D
300
mW
Operating Temperature Range
Topr
-40 to +85
C
Storage Temperature Range
Tstg
-40 to +125
C
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RECOMMENDED OPERATING CONDITION
(Ta=25
C)
PARAMETER SYMBOL
TEST
CONDITION
MIN.
TYP.
MAX.
UNIT
Operating Voltage
Vopr
4.5
-
9.0
V
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ELECTRICAL CHARACTERISTICS
( V
+
=5.0V, Ta=25
C)
PARAMETER SYMBOL TEST
CONDITION MIN.
TYP.
MAX.
UNIT
Operating Current
I
CC
No
Signal
- 10 15 mA
Maximum Output Level
Vom1 Vin=100kHz,Sigh-Signal,THD=1%,
2.0
2.2
-
Vp-p
Voltage
Gain
Gv Vin=100kHz,1.0Vp-p
Sign-Signal
-1.0 0 1.0
dB
Frequency Characteristics
Gf
Vin=10MHz / 1MHz ,1.0Vpp Sign-Signal -1.0
0
1.0
dB
Common Mode Rejection Ratio
CMR
Vin=20kHz,1.0Vpp
-
-50
-
dB
Crosstalk Between Input
CT-I
Vin=4.43MHz, 1.0Vp-p Sign-Signal
-
-65
-
dB
Differential Gain
DG
Vin=1.0Vp-p 10step Video Signal
-
0.3
-
%
Differential Phase
DP
Vin=1.0Vp-p 10step Video Signal
-
0.4
-
deg
SW Change High Level
VthH
2.0
-
V
+
V
SW Change Low Level
VthL
0
-
0.6
V
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SW vs. INPUT/OUTPUT
SW1 SW2 SW3 MUTE Vout1 Vout2
L X L L
Vin1
Vin1
L X L H
Vin1
MUTE
H X L L
Vin2
Vin2
H X L H
Vin2
MUTE
X L H L
Vin3
Vin3
X
L H
H Vin3
MUTE
X
H H
L Vin4
Vin4
X
H H
H Vin4
MUTE
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