NTE1747 Datasheet, PDF (1/3 Pages) NTE Electronics – Integrated Circuit TV Video Processing Circuit

NTE1747
Integrated Circuit
TV Video Processing Circuit
Description:
The NTE1747 is an integrated circuit in a 28–Lead DIP type package designed for color TV video and
chrominance signal processing circuit.
Features:
D Including Video and Chrominance Signal Processing Circuit on a Single Chip, for Compact Set
Design
D Including Circuit For Compensating Skin Color
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +14.4V
Circuit Voltage, V_{2,3,10,11–12,19,20,28–9} . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to +14.4V
Circuit Current, I_{25,26,27,28,29} . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40mA to 0mA
Power Dissipation, P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200mW
Operating Ambient Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Electrical Characteristics: (T_A = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Total Circuit Current
Demodulation Color Difference
Output Voltage
I_tot
e_o(max)
V_CC = 12V
Rainbow 150mV_P–P, Contrast Max.,
Color Max.
40 54 67 mA
4.6 5.3 6.0 V_p–p
Demodulation Color Difference
Output Voltage
e_o(typ) Rainbow 150mV_P–P, Contrast Max.,
Color Typ.
1.35 1.75 2.15 V_p–p
ACC Characteristics
Oscillation Frequency
ACC
f_osc
Rainbow 15mV_P–P, ACC–eo Typ
0.65 0.88 1.05
Difference between Pin8 input invalid –
signal & standard sample
– ±150
times
H_z
f_osc Change with Supply Voltage
f_osc Change with Ambient
Temperature
Df_osc/V_CC V_CC = 12V ±20%, for V_CC = 12V
Df_osc/T_A T_A = –20° to +70°C, for T_A = +25°C
–
– 120 Hz
0 1.5 2.5 Hz/deg.
Control Sensitivity
b
Change to Pin18 Df when V₁ (8.6V) and 1.9 2.5 3.2 Hz.mV
V₂ (8.2V) are applied to Pin15.