Document
NJM2584A
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WIDE BAND 3 CIRCUITS VIDEO SWITCH
s GENERAL DESCRIPTION The NJM2584A is a wide band 2-Input 1-Output 3-Circuit video switch. It is suitable for Y, Pb, and Pr signal because frequency range is 50MHz. The NJM2584A is suitable for PTV, DTV, PDP and other high quality AV systems. s FEATURES q Operating Voltage 4.5 to 9.0V q Wide frequency range 0dB at 50MHz typ. q Internal 2 input-1output 3-circuit video switch q Input coupling capacitor is 1µF q Operating Current 10mA typ. q Bipolar Technology q Package Outline DIP16, DMP16 s PACKAGE OUTLINE
NJM2584AD
NJM2584AM
s BLOCK DIAGRAM
IN1B NC OUT1 GND2 OUT2 OUT3 NC IN3A
1
BIAS
16 15 14
BIAS
IN1A GND1 IN2B V+ CTL IN2A GND3 IN3B
2 3 4 5 6
CLAMP
13 12 11 10 9
7 8
-1-
NJM2584A
s ABSOLUTE MAXIMUM RATINGS
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(Ta=25°C) RATINGS 10.0 (DIP) 500 (DMP) 300 -40 to +85 -40 to +125 UNIT V mW °C °C ( Vcc=5.0V, RL=10kΩ, Ta=25°C) TEST CONDITION No signal BIAS input CLAMP input BIAS input, Vin=1kHz,Sin signal,THD=1%, CLAMP input, Vin=1kHz,Sin signal,THD=1%, Vin=1MHz,2.0Vp-p Sin signal Vin=1MHz,2.0Vp-p Sin signal Vin=1MHz,2.0Vp-p Sin signal Vin=1MHz / 50MHz ,1.0Vp-p, Sin signal Vin=4.43MHz,2.0Vp-p, Sin signal Vin=50MHz,2.0Vp-p, Sin signal Vin=4.43MHz,2.0Vp-p, Sin signal Vin=50MHz,2.0Vp-p, Sin signal Vin=1.0Vpp 10step Video signal Vin=1.0Vpp 10step Video signal Vin=1.0Vpp,100% White Video signal MIN. 3.2 2.4 3.2 2.4 -0.5 -0.2 -0.2 2.0 0 TYP. 10.0 3.5 2.6 3.5 2.6 0 0 0 50 0 -70 -40 -70 -40 0.3 0.3 +65 MAX. 15.0 0.5 0.2 0.2 -60 -60 V
+
PARAMETERS Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range
SYMBOL Vcc PD Topr Tstg
sELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Operating Current ICC Maximum input Voltage1 Vim1 Maximum input Voltage 2 Vim2 Maximum Output Voltage 1 Maximum Output Voltage 2 Voltage Gain Differential Gain (Channel) Differential Gain (Block) Band Width Frequency Characteristic Channel Cross talk 1 Channel Cross talk 2 Block Cross talk 1 Block Cross talk 2 Differential Gain Differential Phase S/N Switch Change Voltage H Level Switch Change Voltage L Level sMODE SWITCH FUNCTION PIN Control MODE H L OPEN Vom1 Vom2 Gv ∆Gvl ∆GvB f Gf CTI1 CTI2 CTB1 CTB2 DG DP SNv VthH VthL
UNIT mA Vp-p Vp-p Vp-p Vp-p dB dB dB MHz dB dB dB dB dB % deg dB V V
0.6
NOTES B channel output A channel output A channel output
-2-
NJM2584A
s EQUIVALENT CIRCUIT (V+=5.0V) www.DataSheet4U.com PIN No. PIN NAME INSIDE EQUIVALENT CIRCUIT
V+
VOLTAGE
Note
16 1 11 14
IN1A IN1B IN2A IN2B
IN1A IN1B IN2A IN2B
100Ω
IN1A, IN2A CTL : L 2.90V IN1B, IN2B CTL : H
20k Ω 150k Ω
V+
V+
V+
8 9
IN3A IN3B
IN3A IN3B
IN3A CTL : L 1.75V
100Ω
IN3B
CTL : H
V+
V+
3 5 6
OUT1 OUT2 OUT3
OUT1 OUT2 OUT3
(OUT1, OUT2) 2.10V (OUT3) 1.00V
V+
12
CTL
CTL 20k Ω 50kΩ
0V
13 15 4 10
V+ GND1 GND2 GND3
-3-
NJM2584A
s TEST CIRCUIT1
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+ 47uF 75Ω 50Ω 75Ω 50Ω 75Ω 50Ω 75Ω 50Ω
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
16 IN1A
15 GND
14 IN2B
13 V+
12 CTL
11 IN2A
10 GND
9 IN3B
1MΩ
IN1B 1
NC 2
OUT 3
GND 4
OUT 5
OUT 6
NC 7
IN3A 8
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
1MΩ
75Ω
50Ω
10k Ω
10k Ω
10k Ω
75Ω
50Ω
s TEST CIRCUIT2 (DG, DP, S/N)
+ 47uF 75Ω 50Ω 75Ω 50Ω 75Ω 50Ω 75Ω 50Ω
47uF
+ 16
0.1uF
47uF
+ 14
0.1uF
0.1uF
47uF
+ 11
0.1uF
47uF
+ 9
0.1uF
15 GND
IN1A
IN2B
13 V+
12 CTL
10 GND
1MΩ
IN2A
IN3B
IN1B 1 + 47uF 0.1uF
NC 2 + 47uF
OUT 3
GND 4 + 47uF
OUT 5
OUT 6
NC 7 + + 47uF 47uF
IN3A 8
0.1uF
0.1uF
0.1uF
0.1uF
1MΩ
75Ω
50Ω
10k Ω
10k Ω
10k Ω
75Ω
50Ω
-4-
NJM2584A
www.DataSheet4U.com s APPLICATION CIRCUIT
5V 1 μF Yin A 75 Ω Yin B 75 Ω
+
1MΩ 0.01μF
1 μF
+
9
1MΩ
8 + 7
Y out 10μF 0.01μF
V in
1
14 13
0.1 μF 0.01 μF
10
1 μF Uin A 75 Ω CTL
V out
2 +
10 μF 0.01μF U in
+
10μF 75Ω
V out 75 Ω
+
11
6
U out
3
12
0.1 μF 0.01μF
12
5
NJM2584A
13
1 μF Uin B 75 Ω
+ 4
V out 10 μF
U out
4
Y in
NJM2580
11
0.1 μF
+
10μF 75Ω
U out 75 Ω
5
1MΩ
10
+
+
47μF Y out 75Ω
14
3
Y out
6 15
1 μF
9
+
33μF 75 Ω
2 7 8 1
+
33μF
Vin A 75 Ω Vin B 75Ω
+
16
1 μF
+
Wide Band Video Amplifier
+
47μF 0.1μF
-5-
NJM2584A
s TYPICAL CHARACTERISTICS
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Voltage Gain vs. Frequency
1Vpp sinewave signal input
20.0
Operating Current vs. Supply Voltage
10
Operating Current Icc(mA)
0 Gain (dB)
15.0
-10
10.0
-20
1ch-A 1ch-B 2ch-A 2ch-B 3ch-A 3ch-B
5.0
-30 3 100 10
1 10
6
10 10
6
100 10
6
0.0 3.0
4.0
5.0
6.0
7.0
8.0
9.0 10.0 11.0
Frequency (Hz)
+ Supply Voltage V (V)
Maximum Input Voltage Swing vs. Supply Voltage (BIAS Type Input)
Maximum Input Voltage Swing Vim1(Vpp) 12.0 10.0 8.0 6.0 4.0 2.0 0.0 3.0 Total Harmonic Distortion=1%, 1kHz
1ch-A 2ch-A 1ch-B 2ch-B
Maximum Input Voltage Swing vs. Supply Voltage (CLAMP Type Input)
Maximum Input Voltage Swing Vim2(Vpp) 12.0 10.0 8.0 6.0 4.0 2.0 0.0 3.0 Total Harmonic Distortion=1%, 1kHz
3ch-A 3ch-B
4.0
5.0
6.0
7.0
8.0
9.0 10.0 11.0
4.0
5.0
6.0
7.0
8.0
9.0 10.0 11.0
Supply.