NTE7137 データシートの表示（PDF） - NTE Electronics
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NTE7137 Datasheet PDF : 5 Pages
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Electrical Characteristics: (VP = 8V, TA = +25°C, Note 2 unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply
Supply Voltage Range (Pin7)
VP
Supply Current (Pin7)
IP
Video Signal Inputs
7.2 8.0 8.8 V
– 46 56 mA
Input Voltage (Black–to–White, Pin2, Pin5, Pin8)
DC Current
VI(b–w)
I2, 5, 8
No Clamping
During Clamping
– 0.7 1.0 V
–0.1 – +0.1 µA
±50 – – µA
Brightness Control
Input Voltage Range
Input Resistance to VN1
Black Level Voltage Change at Nominal Gain
(Pin19, Pin16, Pin13)
Input Voltage for Nominal Brightness
Contrast Control (Note 4)
V1
R1
∆Vbl1
VN1
Note 3
V1 = 1V, V3, 11 Open–Circuit
V1 = 6V, V3, 11 Open–Circuit
Pin1 Open–Circuit
1.0 – 6.0 V
– 50 – kΩ
– –80 – mV
– 240 – mV
– 2.25 –
V
Input Voltage Range
Current
Contrast Relative to Nominal Contrast
Tracking of RGB Signals
Gain Control
V6 Note 3
1.0 – 6.0 V
I6
–5 –1 – µA
Cv V1 = 6V, V3, 11 Open–Circuit
–
3
– dB
V1 = 4.5V, V3, 11 Open–Circuit –
0
– dB
V1 = 1V, V3, 11 Open–Circuit
– –20 –
dB
Tr 2.5V < V6 < 6V,
V3, 11 Open Circuit
–
0 0.5 dB
Input Voltage Range
Input Resistance Against VN3, N11
Gain Relative to Nominal Gain
Input Voltage for Nominal Gain
Feedback Input
V3, 11
R3, 11
Gv
VN3, N11
Note 3
V6 = 4.5V, V3, 11 = 6V
V6 = 4.5V, V3, 11 = 1V
Pin3, Pin11 Open Circuit
1.0 – 6.0 V
– 43 – kΩ
–
2
– dB
– –4 – dB
– 4.6 –
V
Input Voltage Range
Output Current
Voltage Outputs (Pin19, Pin16, Pin13)
V3, 11 Note 5
I18, 15, 12 During Output Clamping
tbn 5.8 tbn V
–1.5 –1.0 –0.1 µA
Signal Output Voltage (Black–to–White Value)
Black Level Voltage
VO(b–w)
Vbl
V3, 11 Open, V6 = 4.5V,
VI(b–w) = 0.7V
During Output Clamping,
Depending on Black Level
Adjustment, Note 6
– 0.8 –
V
0.3 – 1.0 V
During Switch–Off
– 0.1 0.3 V
Signal–to–Noise Ratio
S/N
–
– 44 dB
Note 2. All voltages measured to GND (Pin4).
Note 3. Typical range is 1 to 6V, the range can be increased (e.g. 0 to 7V) to slightly increase the
control range.
Note 4. Open contrast control pin leads to undefined contrast setting.
Note 5. The internal reference voltage can be measured at Pin18, Pin15, and Pin12 during output
clamping in closed feedback loop.
Note 6. Minimum guaranteed control range, the typical minimum black level voltage is 0.1V.
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