NTE7112 データシートの表示（PDF） - NTE Electronics
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NTE7112
NTE Electronics
NTE7112 Datasheet PDF : 3 Pages
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Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
DC Transfer Quantity
TDC
Video input 1VP–P(stair step),
APL 10 to 90, B output
90 96 100 %
Color Difference Voltage Amplification
B–Y
AV (B – Y) Sine wave 10kHz, 240mVP–P, Pin9 5.1 6.6 7.9 times
output voltage gain for Pin12 input
R–Y
AV (R – Y) Cosine wave 10kHz, 200mVP–P 5.1 6.6 7.9 times
Pin7 for Pin15 input
G – Y Color Difference Ratio
G – Y/B – Y Sine wave 10kHz, 240VP–P, Pin12 0.28 0.34 0.40
input cosine wave 10kHz,
200mVP–P, Pin8 output ratio to Pin9
output for Pin15 input
times
Demodulation Color (G – Y)
∠(G – Y) In G – Y/B – Y, phase difference 234 236 239 deg.
between Pin8 output and Pin9 out-
put
Color Difference Output Voltage (max.)
Differential Gain (Video Amp)
eo
Sine/Cosine wave 10kHz, Pin7 or 5.5 6.5 7.6 VP–P
Pin9 output voltage at input 1.5VP–P
DG
Superimpose 3.58MHz compo- – – 6
%
nents at 10mVP–P on the video part
of stair step 1VP–P for measurement
with a vector scope
Demodulation DC Output Voltage
EO(DC) Change w/Supply Voltage
EO(DC) Change w/Ambient Temperature
DC Voltage Difference between
Demodulation Outputs
∆EX–Y Change w/Supply Voltage
∆EX–Y Change w/Ambient Temperature
Pedestal Clamp Voltage
EO(DC)
V4 = 8V, VR–4 for input invalid
Signal: VR–5 RGB outputs
∆EO(DC)/VCC VCC = 12V ±20%, V7 = 2V
(VCC = 12V) RGB outputs
∆EO(DC)/TA V7 = 2V (TA = +25°C)
TA = –20° to +70°C, RGB outputs
∆EX–Y
V7 = 2V, Output differential voltage
for each of R.G.B
∆EX–Y/VCC
∆EX–Y/TA
V(clamp)
VCC = 12V ±20%, V7 = 2V
(VCC = 12V) for VCC = 12V
V7 = 2V (TA = +25°C)
TA = –20° to +70°C, for TA = +25°C
Pulse voltage for pedestal clamp
operation
1.3
0.16
–4
–
–
–
0.65
1.9
0.24
–2
0
0
0
0.85
2.4
0.32
+0.5
±300
±100
±100
1.05
V
V/V
mV/°C
mV
mV
mV
V
Blanking Voltage
V(BLK) Pulse voltage for blanking operation 0.65 0.85 1.05 V
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