NTE739 Datasheet, PDF (1/3 Pages) NTE Electronics – Integrated Circuit Dual Doubly Balanced Chroma Demodulator with RGB Matrix and Chroma Driver Stages

NTE739
Integrated Circuit
Dual Doubly Balanced Chroma Demodulator
with RGB Matrix and Chroma Driver Stages
Features:
D Luminance Input Provided
D Good Chroma Sensitivity–0.36V_p–p Input for 5V_p–p Output
D Low Differential Output DC Offset Voltage–0.6V Max
D DC Temperature Stability –3mV/°C Typ
D Negligible Change in Output Voltage Swing and Varying 3.58MHz Reference Input Signal
D High Ripple Rejection Achieved with MOS Filter Capacitors
D High Blue Output Voltage Swing–10V_(p–p) Typ
D Blanking Input Provided
D Short–Circuit Protected Outputs
Absolute Maximum Ratings:
Power Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V
Chroma Signal Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0V_(pk)
Reference Signal Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0V_(pk)
Minimum Load Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2kΩ
Luminance Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V_(p–p)
Blanking Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0V_(p–p)
Power Dissipation (Package Limitation), P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW
Derate Above T_A = +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0mW/°C
Operating Temperature Range (Ambient), T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +75°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Electrical Characteristics:
Parameter
Static Characteristics
Quiescent Output Voltage
Quiescent Output Current
Reference Input DC Voltage
Chroma Input DC Voltage
Differential Output Voltage
Output Temperature Coefficient
(V_CC = 24V, V_ref = 1.0V_(p–p), R_L = 3.3kΩ, T_A = +25°C unless otherwise
specified)
Test Conditions
Min Typ Max Unit
R_L = ∞
R_L = 3.3kΩ
14.3 15.0 16.3 V
– 6.0 – mA
19.0 25.5 – mA
– 6.8 –
V
– 3.6 –
V
– 0.3 0.6 V
– 3.0 – mV/°C