NJM2585
WIDE BAND 3-INPUT 1-OUTPUT 3-CIRCUIT VIDEO AMPLIFIER
sGENERAL
DESCRIPTION
The
NJM2585
is a wide band 3-input 1-output 3-circuit video
amplifier. It is suitable for Y, Pb, and Pr signal because frequency
range is 50MHz.
The
NJM2585
is suitable for AV receiver, STB, 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 3 input-1output 3-circuit video switch
q
Internal 6dB Amplifier
q
Internal 75Ω Driver Circuit (2-system drive)
q
Power Save Circuit
q
Bipolar Technology
q
Package Outline
DMP24, SDIP22
sPACKAGE
OUTLINE
NJM2585M
NJM2585L
sBLOCK
DIAGRAM
CH1 IN1
SW Control 1
CH1 IN2
SW Control 2
CH1 IN3
GND
V
+
1
CH2 IN1
GND
1
Bias
2
6dB
Amp
75Ω
Driver
24
23
CH1 OUT
Power Save
CH2 OUT
V
+
2
CH3 OUT
GND
GND
CH3 IN1
GND
CH3 IN2
GND
CH3 IN3
CH1 IN1
SW Control 1
CH1 IN2
SW Control 2
CH1 IN3
V
+
1
CH2 IN1
GND
CH2 IN2
1
Bias
2
6dB
Amp
75Ω
Driver
22
21
CH1 OUT
Power Save
CH2 OUT
V
+
2
CH3 OUT
GND
CH3 IN1
GND
CH3 IN2
GND
CH3 IN3
Cont1
Cont2
Cont1
6dB
Amp
75Ω
Driver
Cont1
Cont2
Cont1
6dB
Amp
75Ω
Driver
3
Bias
4
5
Bias
6
7
8
Bias
9
22
21
3
Bias
4
5
Bias
6
7
Bias
20
19
Cont1
6dB
Amp
75Ω
Driver
Cont1
6dB
Amp
75Ω
Driver
20
19
18
17
18
17
16
Bias
15
8
9
Bias
Bias
16
Cont2
Cont2
Bias
14
13
12
CH2 IN2
10
Bias
Cont2
Cont2
Bias
15
14
13
GND
10
CH2 IN3
11
Bias
Bias
GND
11
CH2 IN3
12
Bias
Bias
Ver. 8
-1-
NJM2586
sABSOLUTE
MAXIMUM RATINGS
(Ta=25°C)
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
+
V
P
D
Topr
Tstg
+
NJM2585
RATINGS
12.0
500 (DMP24)
700 (SDIP22)
-40 to +85
-40 to +125
+
UNIT
V
mW
°C
°C
sELECTRICAL
CHARACTERISTICS
(Ta=25°C,V 1=5V, V 2=5V, R
L
=150Ω)
PARAMETER
Operating Current
Operating Current at Power Save
Maximum Output Voltage Swing
Voltage Gain
Gain Difference Between Channel
Gain Difference Between 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 Ratio
Power Save SW
Change Voltage High Level
Power Save SW
Change Voltage Low Level
Input Select SW
Change Voltage High Level
Input Select SW
Change Voltage Low Level
SYMBOL
I
CC
Isave
Vom
Gv
∆GvI
∆GvB
f
Gf
CTI1
CTI2
CTB1
CTB2
DG
DP
SNv
VthPH
VthPL
VthSH
VthSL
Vin=50MHz/1MHz, 1.0Vp-p,
Sine signal
Vin=4.43MHz, 1.0Vp-p, Sine signal
Vin=50MHz, 1.0Vp-p, Sine signal
Vin=4.43MHz, 1.0Vp-p, Sine signal
Vin=50MHz, 1.0Vp-p, Sine signal
Vin=1.0Vp-p, 10step Video Signal
Vin=1.0Vp-p, 10step Video Signal
Vin=1.0Vp-p, 100KHz to 6MHz
100% White Video Signal
PS
PS
SW1, SW2
SW1, SW2
TEST CONDITION
No Signal
No Signal, Power Save Mode
Vin=100kHz, Sine Signal, THD=1%
Vin=1MHz, 1.0Vp-p, Sine Signal
Vin=1MHz, 1.0Vp-p,Sine Signal
(IN1, IN2, IN3)
Vin=1MHz, 1.0Vp-p,Sine Signal
(CH1, CH2, CH3)
MIN.
-
-
2.4
5.8
-0.2
-0.2
-
-
-
-
-
-
-
-
-
2.0
0
2.0
0
TYP.
23.0
0.7
3.0
6.2
0
0
50
0
-60
-40
-60
-40
0.3
0.3
65
-
-
-
-
MAX. UNIT
35.0
1.2
-
6.6
+0.2
+0.2
-
-
-50
-
-50
-
-
-
-
V
+
mA
mA
Vp-p
dB
dB
dB
MHz
dB
dB
dB
dB
dB
%
deg
dB
V
V
V
V
0.6
V
+
0.6
Ver. 8
-2-
NJM2585
NJM2586
s
TEST CIRCUIT
50Ω
75Ω 50Ω
75Ω 50Ω
75Ω
75Ω
75Ω
470u
+
24
CH1OUT
23
PS
75Ω
75Ω
470u
+
22
21
75Ω
75Ω
470u
+
20
19
18
1u
17
16
1u
15
14
1u
13
CH2OUT V+2 CH3OUT GND
GND CH3IN1 GND CH3IN2 GND CH3IN3
NJM2585 DMP24
CH1IN1 SW1 CH1IN2 SW2 CH1IN3 GND
1
2
3
4
5
6
V+1
7
CH2IN1 GND CH2IN2 GND
8
9
10
11
CH2IN3
12
1u
1u
1u
1u
1u
1u
50Ω
75Ω
50Ω
75Ω
50Ω
75Ω
50Ω
75Ω
50Ω
75Ω
50Ω
75Ω
0.1u
+
10u
50Ω
75Ω 50Ω
75Ω 50Ω
75Ω
75Ω
75Ω
470u
+
22
CH1OUT
21
PS
75Ω
75Ω
470u
+
20
19
75Ω
75Ω
470u
+
18
17
1u
16
15
1u
14
13
1u
12
CH2OUT V+2 CH3OUT GND CH3IN1 GND CH3IN2 GND CH3IN3
NJM2585 DIP22
CH1IN1 SW1 CH1IN2 SW2 CH1IN3
1
2
3
4
5
V+1
6
CH2IN1 GND CH2IN2 GND
7
8
9
10
CH2IN3
11
1u
1u
1u
1u
1u
1u
50Ω
75Ω
50Ω
75Ω
50Ω
75Ω
50Ω
75Ω
50Ω
75Ω
50Ω
75Ω
0.1u
+
10u
Please ground all GND terminals.
Ver. 8
-5-
Suggestions & Announcements
京公网安备 11010802033920号
EEWORLD
