NJM2574 PDF даташит
Спецификация NJM2574 изготовлена «ETC» и имеет функцию, называемую «LOW VOLTAGE VIDEO AMPLIFIER WITH LPF». |
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Детали детали
Номер произв | NJM2574 |
Описание | LOW VOLTAGE VIDEO AMPLIFIER WITH LPF |
Производители | ETC |
логотип |
10 Pages
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NJM2574
LOW VOLTAGE VIDEO AMPLIFIER WITH LPF
sGENRERAL DESCRIPTION
The NJM2574 is a Low Voltage Video Amplifier contained LPF
circuit, 75Ω driver and internal CLAMP/BIAS SW, LPF/through SW
to connect TV monitor directly.
The input composite signal.(0.5Vpp) The mute circuit with power
save function is suitable for low power design.
The NJM2574 is suitable for down sizing of Digital Steel Camera,
and DVC for small package.
sPACKAGE OUTLINE
NJM2574RB1
sFEATURES
q Operating Voltage
q Input Composite Signa
q Output Swing
q Internal CLAMP/BIAS SW
q Internal LPF/through SW
q Operating Current
q Operating Current in Battery Saving
q 75Ω 2 system Drive
q Bipolar Technology
q Package Outline
TVSP8
2.8 to 5.5V
0.5Vpp
2.4Vpp typ. at Vcc=3V,CLAMP MODE
9.0mA typ. at Vcc=3.0V
70uAtyp. at Vcc=3.0V
sBLOCK DIAGRAM
LPF/Through
SW
1
V+
5
Vin 6
CLAMP/BIAS 8
SW
CLAMP
BIAS
LPF
12dB 75ΩDriver
4 Vout
3 Vsag
2
GND
7
Power Save
-1-
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NJM2574
sABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Supply Voltage
V+
Power Dissipation
Operating Temperature Range
PD
Topr
Storage Temperature Range
Tstg
RATINGS
7.0
320
-40 to +85
-40 to +125
(Ta=25°C)
UNIT
V
mW
°C
°C
sELECTRICAL CHARACTERISTICS ( V+=3.0V,RL=150Ω,Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
Operating Voltage
Vopr
2.8
Operating Current
Operating Current at Power Save
Maximum Output Voltage Swing
Voltage Gain
Frequency Characteristic
(Through MODE)
ICC
Isave
Vomv
Vom
RGB
Gv
Gf
No Signal
Power Save Mode
f=1kHz,THD=1%,CLAMP MODE
LPF MODE
f=1kHz,THD=1%,
BIAS MODE, through MODE
Vin=100kHz,0.5Vp-p,
Input Sine Signal
Vin=20MHz/100kHz,0.5Vp-p
Gfy4.5M Vin=4.5MHz/100kHz,0.5Vp-p
-
-
2.2
1.4
12.0
-6.0
-0.95
Low Pass Filter Characteristic
Gfy8M Vin=8MHz/100kHz,0.5Vp-p
-
Differential Gain
Differential Phase
S/N
2nd. Distortion
SW Change Voltage High Level
Gfy23.5M Vin=23.5MHz/100kHz,0.5Vp-p
DG
DP
SNv
Hv
VthH
Vin=0.5Vp-p,
Input 10step Video Signal
Vin=0.5Vp-p,
Input 10step Video Signal
Vin=0.5Vp-p,
100% White Video Signal, RL=75Ω
Band Width 100kHz to 6MHz
Vin=0.5Vp-p, 3.58MHz,
Sine Video Signal, RL=75Ω,
-
-
-
-
-
1.8
SW Change Voltage Low Level
VthL
0
TYP.
3.0
9.0
70
2.7
2.0
12.4
-3.0
-0.45
-3.0
-23
0.5
0.5
+60
-60
-
-
MAX.
5.5
10.0
90
-
-
12.8
-
0.05
-
-17
-
-
-
-
V+
0.3
UNIT
V
mA
uA
Vp-p
dB
dB
dB
%
deg
dB
dB
V
s CONTROL TERMINAL
PARAMETER
Power Save(7pin)
LPF/Through SW(1pin)
STATUS
H
L
OPEN
H
L
OPEN
Power Save : OFF
Power Save : ON
Power Save : ON
LPF MODE
Through MODE
Through MODE
NOTE
-2-
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sTEST CIRCUIT
NJM2574
Vin
Power save
0.1uF 75Ω
CLAMP/BIAS
SW V+
8765
+
10uF 0.1uF
NJM2574
12
GND
LPF/Through
SW
34
++
22uF 100uF
Vsag
75Ω
Vout
75Ω
sAPPLICATION CIRCUIT
Vin
Power save
75Ω
CLAMP/BIAS
SW
0.1uF
V+
8765
NJM2574
+
10uF
CLAMP/BIAS
0.1uF SW
Vin
Power save
75Ω
0.1uF
V+
8765
NJM2574
+
10uF
0.1uF
1234
GND
++
33uF 33uF
Vsag
75Ω
LPF/Through
SW
Vout
1234
GND
Vsag
+
33uF
75Ω
+
100uF
75Ω
LPF/Through
SW
Vout2 Vout1
75Ω2system Drive
-3-
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