Marantz SR7500/A1B - Page 49

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■GENERAL DESCRIPTION ■PACKAGE OUTLINE
The NJM2586 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 NJM2586 is suitable for AV receiver, STB,
and other high quality AV systems.
■
■■
■ FEATURES
● Operating Voltage ±4.5 to ±5.5V
● Wide frequency range 0dB at 50MHz typ.
● Internal 3 input-1output 3-circuit video switch
● Internal 6dB Amplifier
● Internal 75Ω Driver Circuit
● Power Save Circuit
● Bipolar Technology
● Package Outline DMP24, SDIP22
■BLOCK DIAGRAM
NJM2586M NJM2586L
9
10
8
5
6
7
4
3
2
1
11
12
13
16
15
14
17
18
19
20
21
22
23
24
CH1 IN1
CH1 IN3
CH1 IN2
SW Control 1
SW Control 2
GND
CH1 OU
T
V
-
1
CH2 OU
T
CH3 IN2
CH3 IN3
V
+
2
CH2 IN3
CH2 IN1
CH3 OU
T
CH3 IN1
GND
CH2 IN2
GND
Power Save
75ȍ
Driv er
Bias
Cont2
Cont1
Cont1
Cont2
Cont1
Cont2
6dB
A
mp
Bias
Bias
Bias
Bias
Bias
Bias
Bias
75ȍ
Driv er
75ȍ
Driv er
Bias
6dB
A
mp
6dB
A
mp
GNDGND
V
+
1
V
-
2
9
10
8
5
6
7
4
3
2
1
11
13
16
15
14
17
18
19
20
21
22
CH1 IN1
CH1 IN3
CH1 IN2
SW Control 1
SW Control 2
GND
CH1 OU
T
V
-
1
CH2 OU
T
CH3 IN2
CH3 IN3
V
+
2
CH2 IN3
CH2 IN1
CH3 OU
T
CH3 IN1
CH2 IN2
Power Save
75ȍ
Driver
Bias
Cont2
Cont1
Cont1
Cont2
Cont1
Cont2
6dB
A
mp
Bias
Bias
Bias
Bias
Bias
Bias
Bias
75ȍ
Driver
75ȍ
Driver
Bias
6dB
A
mp
6dB
A
mp
GND
GND
V
+
1
12
V
-
2
DMP24 SDIP22
IC94 (COMPONENT PCB) : NJM2586