NJM2580
SINGLE SUPPLY WIDE BAND 3ch VIDEO AMPLIFIER
s
GENERAL DESCRIPTION
The
NJM2580
is a wide band 3ch video amplifier,
operated on a single supply voltage. It is suitable for Y, Pb,
and Pr signal because frequency range is 50MHz.
The
NJM2580
is suitable for Set Top Box, AV amplifier,
and other high quality AV systems.
s
FEATURES
q
Operating Voltage
4.5 to 5.5V
q
Wide frequency range
50MHz at 0dB typ.
q
Internal 6dB Amplifier
q
Internal 75Ω Driver Circuit (2-system drive)
q
Power Save Circuit
q
Bipolar Technology
q
Package Outline
DIP14, DMP14
s
PACKAGE OUTLINE
NJM2580D
NJM2580M
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BLOCK DIAGRAM
VIN1
1
6dB
AMP
75
Ω
Driver
14
V
+
1
BIAS
GND1
2
13
VOUT1
VIN2
3
6dB
AMP
75
Ω
Driver
12
V
+
2
BIAS
GND2
4
11
VOUT2
VIN3
5
6dB
AMP
75
Ω
Driver
10
V
+
3
CLAMP
GND3
6
9
VOUT3
Power Save
7
REF
8
VSAG
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NJM2580
s
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
+
V
P
D
Topr
Tstg
RATINGS
12.0
(DIP) 500
(DMP) 350
-40 to +85
-40 to +125
(Ta=25°C)
UNIT
V
mW
°C
°C
( V =5.0V, R
L
=150Ω, Ta=25°C)
TEST CONDITION
No signal
No signal, Power Save
BIAS input
Vin=1kHz,Sin signal, THD=1%,
CLAMP input
Vin=1kHz,Sin signal, THD=1%,
Vin=1MHz, 1.0Vp-p Sin signal
Vin=50MHz / 1MHz, 1.0Vp-p, Sin signal
Vin=4.43MHz, 1.0Vp-p, Sin signal
Vin=50MHz, 1.0Vp-p, Sin signal
Vin=1.0Vpp 10step Video signal
Vin=1.0Vpp 10step Video signal
Vin=1.0Vpp, 100% White Video signal
IC Operating
IC Waiting
MIN.
-
-
2.4
2.2
6.0
-
-
-
-
-
-
-
2.0
0
TYP.
23.0
-
3.0
2.4
6.4
50
0
-60
-40
0.3
0.3
65
-
-
MAX.
33.0
1.2
-
-
6.8
-
-
-50
-
-
-
-
V
+
+
s
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Operating Current
I
CC
Operating Current
Isave
(Power Save)
Maximum Output Voltage1
Maximum Output Voltage2
Voltage Gain
Band Width
Frequency Characteristic
Cross talk 1
Cross talk 2
Differential Gain
Differential Phase
S/N
Power Save Switch Change
Voltage H Level
Power Save Switch Change
Voltage L Level
s
MODE SWITCH FUNCTION
PIN
Power Save
MODE
H
L
OPEN
Vom1
Vom2
Gv
f
Gf
CTB1
CTB2
DG
DP
SNv
VthPH
VthPL
UNIT
mA
mA
Vp-p
Vp-p
dB
MHz
dB
dB
dB
%
deg
dB
V
V
0.6
NOTES
Power Save: OFF
Power Save: ON
Power Save: ON
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