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 NJM2524
2 INPUT 1 OUTPUT 3ch VIDEO SWITCH with ISOLATION AMP.
sGENERAL DESCRIPTION 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. s PACKAGE OUTLINE
NJM2524V
s 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
s BLOCK DIAGLAM
Vin1B 1
pedestal clamp
pedestal clamp
32
GND
GND 2
31
Vin2D
Vin2B 3
30
GND
GND 4 MUTE NC 5
29
Vin2A
pedestal clamp
pedestal clamp
pedestal clamp
pedestal clamp
28
GND
Vin1C 6
27
Vin1D
GND
7
26
GND
Vin2C
8 pedestal clamp pedestal clamp
MUTE
25
Vin1A
CL2C 9
pedestal clamp
pedestal clamp
24
V+
CL1C 10
23
CL1A
GND 11 MUTE CP 12
pedestal clamp pedestal clamp
22
VoutA
21
NC
GND 13
20
CL2A
SW 14
19
CL1B
Vin2 MUTE 15
18
VoutB
VoutC 16
17
CL2B
Ver.6 -1-
NJM2524
s ABOSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL + V PD Topr Tstg RATING 15.0 SSOP32: 800 * -40 to +85 -40 to +125 UNIT V mW C C
*EIA/JEDEC STANDARD Test Board(76.2x114.3x1.6mm,2layers,FR-4)mounting
s RECOMMENDED OPERATING CONDITION(Ta=25C) PARAMETER Operating Voltage SYMBOL Vopr
+
TEST CONDITION
MIN. 4.5
TYP. -
MAX. 9.0
UNIT V
s ELECTRICAL CHARACTERISTICS( V =5.0V, Ta=25C) PARAMETER Operating Current Maximum Output Level Voltage Gain Frequency Characteristics Common Mode Rejuction Ratio Crosstalk Between Input Crosstalk Between SW Block Differential Gain Differential Phase SW Change High Level SW Change Low Level SYMBOL ICC Vom1 Gv Gf CMR CT-I CT-B DG DP VthH VthL TEST CONDITION No Signal Vin=100kHz,Sigh-Signal,THD=1%, Vin=100kHz,1.0Vp-p Sign-Signal Vin=10MHz / 1MHz ,1.0Vpp Sign-Signal Vin=20kHz,1Vpp Vin=4.43MHz, 1.0Vp-p Sign-Signal Vin=4.43MHz, 1.0Vp-p Sign-Signal Vin=1.0Vp-p 10step Video Signal Vin=1.0Vp-p 10step Video Signal MIN. 1.4 -1.0 -1.0 2.0 0 TYP. 19 1.6 0 0 -45 -65 -65 0.5 0.5 MAX. 28.5 1.0 1.0 + V 0.6 UNIT mA Vp-p dB dB dB dB dB % deg V V
s SW vs. INPUT/OUTPUT SW L L H H MUTE H L H L VoutA Vin1A Vin1A MUTE Vin2A VoutB Vin1B Vin1B MUTE Vin2B VoutC Vin1C Vin1C MUTE Vin2C
Ver.6 -2-
NJM2524
s TEST CIRCUIT (Measure Video-signal)
Vin2D Vin2A Vin1D Vin1A V+ CL1A VoutA CL2A CL1B VoutB CL2C
75
75
+
10uF 10nF 2k
2k
4.7uF
+ +
4.7uF
+
4.7uF
+
4.7uF
+
0.1uF
+
22uF
+
0.1uF
+
0.1uF
+
22uF
+
0.1uF
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
NJM2524
1
+
2
3
+
4
5
6
+
7
8
+
9
+
10
+
11
12
13
14
15
16
+
22uF
4.7uF 75 75
4.7uF 75
4.7uF 75
4.7uF
0.1uF
0.1uF 2k VthH VthL S Vin2MUTE VoutC
Vin1B
Vin2B
Vin1C
Vin2C
CL2C
CL1C
CP
s TEST CIRCUIT(Measure CMR)
Vin2D Vin2A Vin1D Vin1A V+ CL1A VoutA CL2A CL1B VoutB CL2C
10uF 10nF 2k 50 4.7uF
+
2k 22uF
+ +
50 4.7uF
+ +
+
0.5M
0.5M 4.7uF
+
4.7uF
+
0.1uF
0.1uF
+
0.1uF
+
22uF
+
0.1uF
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
NJM2524
1
2
3
4
5
6
7
8
9
0.5M
10
11
12
13
14
15
16
+
+
4.7uF
0.5M
+
4.7uF
0.5M
+
4.7uF
0.5M
+
+
+
22uF
4.7uF
0.1uF
0.1uF 2k VthH VthL S Vin2MUTE VoutC
Vin1B
Vin2B
Vin1C
Vin2C
CL2C
CL1C
CP
Ver.6 -3-
NJM2524
s TEST CIRCUIT(sign-signal)
Vin2D
Vin2A
Vin1D
Vin1A
V+
CL1A
VoutA
CL2A
CL1B
VoutB
CL2C
50 4.7uF
+
50
+
10uF 10nF 2k 0.1uF
+ +
2k 22uF
+
4.7uF
+ +
4.7uF
4.7uF
+
0.1uF
+
0.1uF
+
22uF
+
0.1uF
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
NJM2524
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
+
+
+
+
+
+
+
22uF
4.7uF 50
4.7uF 50
4.7uF 50
4.7uF 50
0.1uF
0.1uF 2k VthH VthL SW Vin2 MUTE VoutC
Vin1B
Vin2B
Vin1C
Vin2C
CL2C
CL1C
CP
[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.
Ver.6 -4-


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