NJM2274
- 1 -
LOW POWER VIDEO AMPLIFIER WITH Y-C MIXER
s
GENERAL DESCRIPTION
s
PACKAGE OUTLINE
NJM2274R
s
FEATURES
q
Low Operating Voltage 2.8 to 5.5V
q
Internal Y/C MIX Circuit
q
Y-input : Clamp
C-input : Bias
q
Operating Current 9.3mA typ. at V
+
=3.0V
q
Operating Current at Power Save 0.9mA typ. at V
+
=3.0V
q
Bipolar Technology
q
Package Outline VSP8
s
BLOCK DIAGLAM
Clamp
Disc.
Vref.
750
1
8
6
7
2
4
3
Bias
Yin
Cin
C mute
GND
Vsag
Vout
Vcc
Power Save
5
The NJM2274 is a low power, 3V operation video amplifier with
Y/C mixer and 75 ohm driver , which connect TV monitor directly.
The NJM2274 has mute function , and suitable for energy save
products and any low power system , which are Digital Camera ,
DVC and other video amplifier system.
NJM2274
- 2 -
s
ABOSOLUTE MAXIMUM RATINGS (Ta=25
C)
PARAMRTER SYMBOL RATINGS UNIT
Supply Voltage
V
+
7.0 V
Power Dissipation
P
D
320
mW
Operating Temperature Range
Topr
-40 to +85
C
Storage Temperature Range
Tstg
-40 to +125
C
s
ELECTRICAL CHARACTERISTICS ( V
+
=3.0V,Ta=25
C)
PARAMETER SYMBOL
TEST
CONDITION
MIN.
TYP.
MAX.
UNIT
Operating Voltage
Vopr
2.8
3.0
5.5
V
Operating Current
Iccq
No Signal
-
9.3
12.0
mA
Operating Current
(Power Save Mode)
Iccs
Power Save Mode
-
0.9
1.2
mA
Maximum Output Voltage
Vom
f=1kHz,THD=1%
2.2
-
-
Vpp
Voltage Gain
Gv
Yin=100kHz , 0.5Vpp,
Sine Video Signal (note)
11.9 12.4 12.9 dB
Frequency Characteristic
Gf
Yin=10MHz/100kHz,0.5Vpp,
Sine Video Signal (note)
-1.0 0 +1.0 dB
Differential Gain
DG
Yin=0.5Vpp,10Step Video Signal
-
2.5
-
%
Differential Phase
DP
Yin=0.5Vpp,10Step Video Signal
-
1.0
-
deg
Chroma Mute Cross talk
CT
Cin=4.43MHz,0.1Vpp
-
-65
-
dB
S/N SNv
Yin=0.5Vpp, 100%White Video
Signal , Cin=AC gnd Wide Band
100kHz to 6MHz,R
L
=75ohm
- -60 - dB
Second Distortion
Hv
Yin=0.5Vpp,3.58MHz Red Field
Video Signal, Cin=AC gnd
R
L
=75ohm
- -40 - dB
Input Resistance
Zinc
Chroma Input
16
20
24
k
VthMH
1.4
-
V
+
Mute Switch Change Voltage
VthML
0
- 0.6
V
VthPH
1.4 -
V
+
Power Save Switch
Change Voltage
VthPL
0
- 0.6
V
(note) Sine Video Signal
714mVpp
286mVpp
40uS<t<50uS
357mVpp
NJM2274
MEMO
[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.
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