NTE7150 데이터 시트보기 (PDF) - NTE Electronics
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NTE7150 Datasheet PDF : 8 Pages
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AC Characteristics (Cont’d): VCC = 9V, Logic VCC = 3.3V, TA = +25°C unless otherwise specified)
Parameter
Test Conditions
Min Typ Max Unit
Chroma Section 2 (Cont’d) (SECAM)
BELL Filter fo Control Range
Data = 07
Data = 00
70 105 140 kHz
–175 –140 –105 kHz
PLL Pull–In Range
High
4.75 5.0 5.5 MHz
Low
3.0 3.7 3.9 MHz
Black Level Offset Voltage
–15 0 +15 mV
Black Level Offset Adjustment
Maximum
19 24 29 mV
Minimum
–31 –28 –25 mV
SECAM Color Difference Amplitude
Adjustment Gain
–1.0 –1.8 –2.5 dB
–2.0 –1.0 –0.5 dB
–0.5 0 +0.5 dB
0.5 1.0 1.5 dB
TEXT/Matrix Section
RGB Maximum Output
Measure maximum output voltage from Pin16 7.3 7.7 8.8
V
when WPL is OFF
Color Difference Input Dynamic
Range
Measure input dynamic range at Pin37 and 1.6 2.0 2.3 VP–P
Pin38
Relative Amplitude
Input PAL rainbow signal. Measure G/B in the 0.31 0.37 0.42
color difference output mode selected by bus on
RGB output pins.
Relative Phase
Input PAL rainbow signal. Measure q (G) – q (B) 230 237 245 DEG
in the color difference output mode selected by
bus on RGB output pins.
Color Control Characteristics
Maximum Gain
18.0 19.5 21.0 dB
Center Gain
–9 –7 –5
dB
Minimum Gain
–80 –50 –40 dB
Maximum Gain Voltage
3.2 3.5 3.8
V
Minimum Gain Voltage
2.2 2.5 2.8
V
Contrast Control Characteristics
Maximum Gain
3.5 5.0 6.5 dB
Minimum Gain
–16 –14 –12 dB
Maximum Gain Voltage
2.2 2.5 2.8
V
Minimum Gain Voltage
1.2 1.5 1.8
V
Brightness Control Characteristics
Maximum Voltage
No Y input (AC GND). Data = FFH. Measure DC 3.2 3.5 3.8
V
Center Voltage
voltage at Pin18 during trace period. Data = 80H.
Measure DC voltage at Pin18 during trace peri- 1.8 2.0 2.2
V
Minimum Voltage
od. Data = 00H. Measure DC voltage at Pin18
during trace period.
0.2 0.5 0.8
V
Control Voltage
Brightness Tracking
Measure DC voltage at Pin18 during trace period 0.7 1.0 1.3
V
when V53 = 1V.
Measure DC voltage at Pin18 during trace period 2.7 3.0 3.3
V
when V53 = 1V.
Measure DC voltage difference between R, G, –0.2 0 +0.2 V
and B outputs of brightness data = 40H.
WPL Voltage
Measure maximum output voltage from Pin18 5.7 6.0 6.3
V
when WPL is ON.
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