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PDF NTE7150 Data sheet ( Hoja de datos )
| Número de pieza | NTE7150 | |
| Descripción | Integrated Circuit Video / Chroma / and Sync. Signal Processing Circuit for PAL/NTSC/SECAM System Color Televisions | |
| Fabricantes | NTE Electronics | |
| Logotipo |  |
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NTE7150
Integrated Circuit
Video, Chroma, and Sync. Signal Processing Circuit
for PAL/NTSC/SECAM System Color Televisions
Description:
The NTE7150 is an integrated circuit in a 64–Lead SIP type package designed for PAL/NTSC/SECAM
system color televisions involving video, chroma, and sync. signal processing circuits.
The video section contains a high–performance picture quality emphasis circuit, the chroma section
contains a PAL/NTSC/SECAM system automatic identification circuit, and the sync. section contains
a 50/60Hz automatic identification circuit. The PAL/SECAM demodulating circuit uses a baseband
signal processing system, providing an adjustment–free demodulating circuit. User control functions,
system switching, etc. are controlled via the I2C bus.
Features:
Video Section
D Sharpness Control with Internal Delay Lines
D Black Stretching Circuit
D YNR
D Variable DC Restoration Ratio
D Gamma (g) Contrast Correction
Chroma Section
D PAL/SECAM baseband Demodulation System
D Automatic Srystal Frequency Identification (4.43MHz/3.58MHz/M, N–PAL)
D Automatic Chroma System Identification (PAL/NTSC/SECAM)
D PLL SECAM Adjustment–Free Demodulation Circuit without and Tank Coils
D Built–In SECAM BELL Filter
Sync. Section
D Adjnustment–Free Horizontal and Vertical Oscillation Circuits based on Countdown System
D Automatic Vertical Frequency Identification (50/60Hz)
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Power Dissipation, PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2660mW
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.2mW/°C
Input Signal Amplitude, ein . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5VP–P
Applied Voltage, Ein . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND–0.3V to VCC+0.3V
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +65°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Recommended Operating Conditions:
Parameter
Test Conditions
Supply Voltage
At Pin19, Pin36, Pin50, and Pin59
At Pin5
At Pin4
Min Typ Max Unit
8.1 9.0 9.5 V
8.1 9.0 10.0 V
3.0 3.3 3.6 V
1 page  
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
–175 –140 –105
kHz
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
–2.0 –1.0 –0.5
dB
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
when WPL is OFF
8.8
V
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
Center Voltage
Minimum Voltage
No Y input (AC GND). Data = FFH. Measure DC
voltage at Pin18 during trace period. Data = 80H.
Measure DC voltage at Pin18 during trace peri-
od. Data = 00H. Measure DC voltage at Pin18
during trace period.
3.2
1.8
0.2
3.5
2.0
0.5
3.8
2.2
0.8
V
V
V
Control Voltage
Brightness Tracking
Measure DC voltage at Pin18 during trace period 0.7 1.0 1.3
when V53 = 1V.
Measure DC voltage at Pin18 during trace period 2.7 3.0 3.3
when V53 = 1V.
Measure DC voltage difference between R, G, –0.2 0
and B outputs of brightness data = 40H.
+0.2
V
V
V
WPL Voltage
Measure maximum output voltage from Pin18 5.7 6.0
when WPL is ON.
6.3
V
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet NTE7150.PDF ] | |
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