NJM2581 Data Sheet

NJM2581
DUAL SUPPLY WIDE BAND 3CH VIDEO AMPLIFIER
Q GENERAL DESCRIPTION
The NJM2581 is a dual supply voltage wide band 3ch video
amplifier. It is suitable for Y/Pb/Pr and RGB signal because
frequency range is 50MHz.
The NJM2581 is suitable for Set Top Box, AV amplifier, and
other high quality AV systems.
Q PACKAGE OUTLINE
NJM2581D
Q FEATURES
O Operating Voltage
O Wide Frequency Range
O Internal 6dB Amplifier
O Internal 75ΩDriver Circuit
O Power Save Circuit
O Bipolar Technology
O Package Outline
NJM2581M
±4.5 to ±5.5V
0dB at 50MHz typ.
DIP14, DMP14
Q BLOCK DIAGRAM
VIN1
1
14
V+ 1
75Ω
Driver
6dB
AMP
BIAS
VEE1
2
13
VOUT1
VIN2
3
12
V+ 2
6dB
AMP
75Ω
Driver
BIAS
VEE2
4
11
VOUT2
VIN3
5
10
V+ 3
6dB
AMP
75Ω
Driver
BIAS
VEE3
6
PowerSave
7
REF
9
VOUT3
8
GND
Ver.8
-1-
NJM2581
Q ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETERS
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
V+/-
RATINGS
±6.0
(DIP) 500
(DMP) 350
-40 to +85
-40 to +125
PD
Topr
Tstg
UNIT
V
mW
°C
°C
Q ELECTRICAL CHARACTERISTICS ( V+=±5.0V, RL=150Ω, Ta=25°C)
PARAMETER
Operating Current
Operating Current
(Power Save)
Maximum Output Voltage
Voltage Gain
Band Width
Frequency Characteristic
Cross talk 1
Cross talk 2
Differential Gain
Differential Phase
S/N
SYMBOL
ICC
No signal
Isave
No signal, Power Save
Vom
Gv
f
Gf
CTB1
CTB2
DG
DP
Vin=1kHz,Sin signal, THD=1%,
Vin=1MHz, 1.0Vp-p Sin signal
SNv
Power Save Switch Change
Voltage H Level
Power Save Switch Change
Voltage L Level
*1: Refer to TEST CIRCUIT 2.
TEST CONDITION
Vin=50MHz / 1MHz, 1.0Vp-p, Sin signal
Vin=4.43MHz, 1.0Vp-p, Sin signal
Vin=50MHz, 1.0Vp-p, Sin signal
Vin=1.0Vp-p 10step Video signal *1
Vin=1.0Vp-p 10step Video signal *1
Vin=1.0Vp-p,
100% White Video signal *1
VthPH
IC Operating
VthPL
IC Waiting
Q MODE SWITCH FUNCTION
PIN
Power Save
-2-
MODE
H
L
OPEN
NOTES
Power Save : OFF
Power Save : ON (Mute)
Power Save : ON (Mute)
MIN.
-
TYP.
23.0
MAX.
33.0
UNIT
mA
-
-
1.2
mA
7.4
6.0
-
8.0
6.4
50
0
-60
-40
0.3
0.3
6.8
-50
-
Vp-p
dB
MHz
dB
dB
dB
%
deg
-
70
-
dB
2.0
-
V+
V
0
-
0.6
V
NJM2581
Q EQUIVALENT CIRCUIT
PIN No.
PIN NAME
FUNCTION
INSIDE EQUIVALENT CIRCUIT
V+
1
3
5
VIN1
VIN2
VIN3
Input
VIN1
VIN2
VIN3
100Ω
20KΩ
V-
V+
13
11
9
VOUT1
VOUT2
VOUT3
Output
V+
VOUT1
VOUT2
VOUT3
5.5KΩ
V-
V-
PowerSave
30KΩ
7
PowerSave
Power Save
50KΩ
V-
14
12
10
V+1
V+2
V+3
V+
2
4
6
VEE1
VEE2
VEE3
V-
8
GND
GND
-3-
NJM2581
Q TEST CIRCUIT 1
+
47uF
0.1uF
0.1uF
75Ω
0.01uF
+
75Ω
75Ω
75Ω
0.01uF
0.1uF
75Ω
0.01uF
10uF
+
75Ω
0.01uF
10uF
10uF
+
14
V+1
12
V+2
8
VOUT2
10
V+3
9
VOUT1
VOUT3
GND
VIN1
1
VEE1
2
VIN2
3
VEE2
4
VIN3
5
VEE3
6
PowerSave
7
+
13
0.01uF
3.3uF
+
11
0.01uF
3.3uF
0.1uF
75Ω
+
0.1uF
3.3uF
0.1uF
50Ω
75Ω
0.1uF
50Ω
75Ω
50Ω
47uF
+
Q TEST CIRCUIT 2 (DG, DP, S/N )
+
47uF
75Ω
75Ω
75Ω
0.1uF
75Ω
75Ω
0.1uF
13
75Ω
0.1uF
14
V+1
12
V +2
8
VOUT2
10
V+3
9
VOUT1
VOUT3
GND
VIN1
1
VEE1
2
VIN2
3
VEE2
4
VIN3
5
VEE3
6
PowerSave
7
75Ω
11
75Ω
0.1uF
75Ω
0.1uF
0.1uF
+
-4-
47uF
NJM2581
Q APPLICATION CIRCUIT 1
+5V
+ 47µF
0.1µF
75Ω
0.1µF
75Ω
0.1µF
75Ω
14
13
12
11
10
9
8
V+1
VOUT1
V+2
VOUT2
V+3
VOUT3
GND
VIN1
VEE1
VIN2
VEE2
VIN3
VEE3
PowerSave
1
2
3
4
5
6
7
0.01µF
10µF
75Ω
0.01µF
10µF
75Ω
0.1µF
0.01µF
10µF
75Ω
0.1µF
0.1µF
-5V
+
47µF
Q APPLICATION CIRCUIT 2
+5V
+ 47µF
75Ω
75Ω
0.1µF
0.01µF
75Ω
75Ω
0.1µF
75Ω
75Ω
0.1µF
14
13
12
11
10
9
8
V +1
VOUT1
V+2
VOUT2
V+3
VOUT3
GND
VIN1
VEE1
VIN2
VEE2
VIN3
VEE3
PowerSave
1
2
3
4
5
6
7
10µF
75Ω
0.01µF
0.1µF
10µF
75Ω
0.01µF
0.1µF
10µF
75Ω
-5V
0.1µF
+
47µF
(Note) Two-line driving circuit
This circuit drives two-line of 150Ω. However, it may cause to lose synchronization by an input signal of large APL change
(100% white signals more than 1Vp-p). Confirm the large APL change waveform (100% white signals more than 1Vp-p) and
evaluate sufficiently.
-5-
NJM2581
Q TYPICAL CHARACTERISTICS
Operating Current vs. Supply Voltage
10
40.0
5.0
35.0
Operating Current Icc(mA)
Voltage Gain Gv(dB)
Voltage Gain vs. Frequency
0.0
-5.0
-10
1ch
2ch
3ch
-15
-20
3
100 10
6
1 10
10 10
6
30.0
25.0
20.0
15.0
10.0
3.0
6
100 10
3.5
1.0
0.5
5.0
5.5
6.0
6.5
Maximum Output Voltage Swing Vom(Vpp)
Operating Current at Standby State Isave(mA)
1.5
4.5
14.0
1ch
2ch
3ch
12.0
10.0
8.0
6.0
4.0
2.0
3.0
3.5
Voltage Gain Gv(dB)
Gain Frequency Characteristics Gf(dB)
1ch
2ch
3ch
7.0
6.5
6.0
5.5
4.5
5.0
5.5
+
Supply Voltage V (V)
-6-
4.5
5.0
5.5
6.0
6.5
Gain Frequency Characteristics vs. Supply Voltage
1Vpp, 1MHz sinewave signal input
4.0
4.0
Supply Voltage V (V)
8.0
3.5
6.5
+
Voltage Gain vs. Supply Voltage
5.0
3.0
6.0
Total Harmonic Distortion=1%, 1kHz
Supply Voltage V+ (V)
7.5
5.5
Maximum Output Voltage Swing vs. Supply Voltage
(BIAS Type Input)
2.0
4.0
5.0
Supply Voltage V (V)
Operating Current at Standby State
vs. Supply Voltage
3.5
4.5
+
Frequency (Hz)
0.0
3.0
4.0
6.0
6.5
1Vpp, 50MHz/1MHz
2.0
1ch
2ch
3ch
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
3.0
3.5
4.0
4.5
5.0
5.5
+
Supply Voltage V (V)
6.0
6.5
NJM2581
Q TYPICAL CHARACTERISTICS
Differential Gain vs. Supply Voltage
Channel Gain Difference vs. Supply Voltage
1Vpp, 10step video signal input
4.0
0.4
0.2
0.0
-0.2
-0.4
-0.6
3.0
1ch
2ch
3ch
3.5
Differential Gain DG(%)
Channel Gain Difference dGv(dB)
0.6
3.0
2.5
2.0
1.5
1.0
0.5
3.5
4.0
4.5
5.0
5.5
6.0
0.0
3.0
6.5
3.5
+
6.0
Cross Talk 1 vs. Supply Voltage
6.5
1Vpp, 4.43MHz sinewave signal input
-40.0
1ch
2ch
3ch
IN1OUT2
IN1OUT3
IN2OUT1
IN2OUT3
IN3OUT1
IN3OUT2
-45.0
Cross Talk 1 CTB1(dB)
Differential Phase DP(deg)
5.5
Differential Phase vs. Supply Voltage
3.5
3.0
2.5
2.0
1.5
1.0
-50.0
-55.0
-60.0
-65.0
0.5
3.5
4.0
4.5
5.0
5.5
6.0
-70.0
3.0
6.5
3.5
Supply Voltage V+ (V)
100.0
-20.0
Signal to Noise Retio SNv(dB)
IN1OUT2
IN1OUT3
IN2OUT1
IN2OUT3
IN3OUT1
IN3OUT2
-30.0
-35.0
-40.0
-45.0
3.5
4.0
4.5
5.0
5.5
Supply Voltage V+ (V)
4.5
5.0
5.5
6.0
6.5
Signal to Noise Retio vs. Supply Voltage
1Vpp, 50MHz sinewave signal input
-25.0
4.0
Supply Voltage V+ (V)
Cross Talk 2 vs. Supply Voltage
Cross Talk 2 CTB2(dB)
5.0
Supply Voltage V+ (V)
4.0
-50.0
3.0
4.5
Supply Voltage V (V)
1Vpp, 10step video signal input
0.0
3.0
4.0
6.0
6.5
1.0Vpp, 100% white video signal input
1ch
2ch
3ch
90.0
80.0
70.0
60.0
50.0
40.0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
+
Supply Voltage V (V)
-7-
NJM2581
Q TYPICAL CHARACTERISTICS
PowerSave Switching Voltage VthP(V)
PowerSave Switching Voltage vs. Supply Voltage
2.0
VthPH
VthPL
1.5
1.0
0.5
0.0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
Supply Voltage V+ (V)
[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.
-8-