NJM2561
LOW VOLTAGE VIDEO AMPLIFIER WITH LPF
sGENERAL
DESCRIPTION
The
NJM2561
is a Low Voltage Video Amplifier contained LPF
circuit. Internal 75Ω driver is easy to connect TV monitor directly.
The
NJM2561
features low power and small package, and is
suitable for low power design on downsizing of DSC and DVC.
sPACKAGE
OUTLINE
NJM2561F1
sFEATURES
2.8 to 5.5V
q
Operating Voltage
q
6dB amplifier
q
Internal LPF
-33dB at 19MHz typ.
q
Internal 75Ω Driver Circuit (2-system drive)
q
Power Save Circuit
q
Bipolar Technology
q
Package Outline
MTP6
sBLOCK
DIAGRAM
1. PowerSave
1
2
3
6
5
4
2. Vout
3. Vsag
4. Vin
5. GND
6. V +
V
+
6
75ΩDri ver
Vin
4
LPF
6dB
2
Vout
CLAMP
3
Vsag
5
1
GND
Power Save
-1-
NJM2561
sABSOLUTE
MAXIMUM RATINGS
(Ta=25°C)
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
+
V
P
D
Topr
Tstg
+
RATINGS
7.0
200
-40 to +85
-40 to +125
UNIT
V
mW
°C
°C
sELECTRICAL
CHARACTERISTICS
(V =3.0V,R
L
=150Ω,Ta=25°C)
PARAMETER
Operating Current
Operating Current at Power Save
Maximum Output Voltage Swing
Voltage Gain
Low Pass Filter Characteristic
Differential Gain
Differential Phase
S/N Ratio
2nd. Distortion
SW Change Voltage High Level
SW Change Voltage Low Level
sCONTROL
TERMINAL
PARAMETER
Power Save
STATUS
H
L
OPEN
Power Save: OFF
Power Save: ON
Power Save: ON
NOTE
SYMBOL
I
CC
Isave
Vom
Gv
TEST CONDITION
No Signal
No Signal, Power Save Mode
f=100kHz,THD=1%
MIN.
-
-
2.2
6.1
-0.6
-
-
-
-
-
1.8
0
TYP.
8.0
30
2.5
6.5
-0.1
-33
0.5
0.5
+60
-50
-
-
MAX.
12.0
50
-
6.9
0.4
-23
-
-
-
-
V
+
UNIT
mA
uA
Vp-p
dB
dB
%
deg
dB
dB
V
Vin=100kHz, 1.0Vp-p,
Input Sine Signal
Gfy4.5M Vin=4.5MHz/100kHz, 1.0Vp-p
Gfy19M
DG
DP
SNv
Hv
VthPH
VthPL
Vin=19MHz/100kHz, 1.0Vp-p
Vin=1.0Vp-p, 10step Video Signal
Vin=1.0Vp-p, 10step Video Signal
Vin=1.0Vp-p, R
L
=75Ω
100% White Video Signal,
100KHz to 6MHz
Vin=1.0Vp-p, 3.58MHz,Sine Signal,
R
L
=75Ω
Active
Non-active
0.3
-2-
NJM2561
sTEST
CIRCUIT
input
0.1uF
10uF
6
V
+
5
GND
75Ω
4
Vin
0.1uF
NJM2561
Power
Save
1
Vout
2
33uF
Vsag
3
33uF
75Ω
output
75Ω
s
APPLICATION CIRCUIT (2-system drive)
V
+
0.1uF
10uF
+
6
V
+
5
GND
75Ω
4
Vin
0.1uF
input
NJM2561
Power
Save
1
+
Vout
2
100uF
+
Vsag
3
33uF
75Ω
75Ω
output2
output1
-3-
NJM2561
s
TERMINAL DESCRIPTION
No.
SYMBOL
VOLTAGE
Power
save
EQUIVALENT CIRCUIT
32KΩ
48KΩ
1
Power Save
-
V
+
V
+
2
Vout
0.33V
Vout
V
+
V
+
750Ω
3
Vsag
-
Vsag
V
+
V
+
V
+
4
Vin
1.10V
Vin
270
Ω
5
6
GND
V
+
-
3V
-4-
NJM2561
s
TYPICAL CHARACTERISTICS
Voltage Gain vs. Frequency
V=PS=3.0V ,Vin=1.0Vpp
10.0
0.0
Gv (dB)
-10.0
-20.0
-30.0
-40.0
5
10
10
6
10
7
Freq (Hz)
[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.
-5-
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