Ver.5
NJM2524
- 1 -
2 INPUT 1 OUTPUT 3ch VIDEO SWITCH with ISOLATION AMP.
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GENERAL DESCRIPTION
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PACKAGE OUTLINE
The NJM2524 is a 2-input 1-output 3-circuit video switch with
isolation amplifier. Isolation circuit removes the noise of a signal.
The NJM2524 includes pedestal clamp circuit. It is suitable
for the change of the RGB signal of the Car AV equipment.
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FEATURES
q
Operating Voltage 4.5 to 9.0V
q
Internal Isolation Amp.
q
Internal 3ch 2 input 1 output Video Switch
q
Pedestal Clamp
q
Bipolar Technology
q
Package Outline SSOP32
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BLOCK DIAGLAM
NJM2524V
GND
1
10
9
12
15
11
13
14
2
3
4
5
6
7
8
18
17
23
29
25
24
21
22
20
19
30
28
27
26
Vin1B
Vin2B
NC
GND
CL2C
GND
GND
Vin2 MUTE
GND
GND
Vin1C
Vin2C
CL1C
CP
SW
VoutC
16
31
32
GND
GND
GND
V+
VoutA
CL2A
VoutB
Vin2D
Vin2A
Vin1D
Vin1A
CL1A
NC
CL1B
CL2B
pedestal
clamp
pedestal
clamp
pedestal
clamp
pedestal
clamp
pedestal
clamp
pedestal
clamp
pedestal
clamp
pedestal
clamp
pedestal
clamp
pedestal
clamp
pedestal
clamp
pedestal
clamp
MUTE
MUTE
MUTE
Ver.5
NJM2524
- 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
SSOP32: 800 *
mW
Operating Temperature Range
Topr
-40 to +85
C
Storage Temperature Range
Tstg
-40 to +125
C
*EIA/JEDEC STANDARD Test Board(76.2x114.3x1.6mm,4layers,FR-4)mounting
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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
- 19 28.5
mA
Maximum Output Level
Vom1 Vin=100kHz,Sigh-Signal,THD=1%,
1.4
1.6
-
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 Rejuction Ratio
CMR
Vin=20kHz,1Vpp
-
-45
-
dB
Crosstalk Between Input
CT-I
Vin=4.43MHz, 1.0Vp-p Sign-Signal
-
-65
-
dB
Crosstalk Between SW Block
CT-B
Vin=4.43MHz, 1.0Vp-p Sign-Signal
-
-65
-
dB
Differential Gain
DG
Vin=1.0Vp-p 10step Video Signal
-
0.5
-
%
Differential Phase
DP
Vin=1.0Vp-p 10step Video Signal
-
0.5
-
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
SW MUTE VoutA VoutB VoutC
L H
Vin1A
Vin1B
VinC
L L
Vin1A
Vin1B
Vin1C
H H
MUTE
MUTE
MUTE
H
L Vin2A
Vin2B Vin2C
Ver.5
NJM2524
- 4 -
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TEST CIRCUIT(sign-signal)
NJM2524
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
+
+
+
50
4.7uF
4.7uF
4.7uF
+
+
22uF
0.1uF
Vin1B
Vin2B
Vin1C
Vin2C
CL2C
CP
SW
Vin2 MUTE
Vin2D
Vin2A
Vin1D
VoutC
V+
CL1A
CL2C
CL1B
16
17
CL1C
VoutB
CL2A
VoutA
Vin1A
+
4.7uF
+
0.1uF
+
0.1uF
VthH
22uF
2k
+
+
0.1uF
+
0.1uF
2k
+
2k
22uF
+
0.1uF
50
50
+
4.7uF
+
4.7uF
+
4.7uF
+
4.7uF
+
10uF 10nF
50
50
50
VthL
[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.
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