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Details, datasheet, quote on part number:NTE739
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Datasheet text preview:
NTE739 Integrated Circuit Dual Doubly Balanced Chroma Demodulator with RGB Matrix and Chroma Driver Stages
Features: D Luminance Input Provided D Good Chroma Sensitivity0.36Vpp Input for 5Vpp Output D Low Differential Output DC Offset Voltage0.6V 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 Swing10V(pp) Typ D Blanking Input Provided D ShortCircuit 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2k Luminance Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V(pp) Blanking Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0V(pp) Power Dissipation (Package Limitation), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW Derate Above TA = +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0mW/°C Operating Temperature Range (Ambient), Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 RL = RL = 3.3k 14.3 15.0 16.3 6.0 6.8 3.6 0.3 3.0 0.6 19.0 25.5 V mA mA V V V mV/°C
(VCC = 24V, Vref = 1.0V(pp), RL = 3.3k, TA = +25°C unless otherwise specified)
Test Conditions Min Typ Max Unit
Electrical Characteristics (Cont'd):
Parameter Dynamic Characteristics Detected Output Voltage + (BY) (BY) Chroma Input Voltage Luminance Input Resistance Luminance Gain from Pin3 to Outputs
(VCC = 24V, Vref = 1.0V(pp), RL = 3.3k, TA = +25°C unless otherwise specified)
Test Conditions Min Typ Max Unit
Note 1
4.0 4.0
5.0 5.0 0.36 0.95 0.5 1.1 7.5 1.0 3.8 106 256 100
0.7 1.25 4.2 111 264 500 1.0
V(pk) V(pk) VPP k
BY Output = 5VPP, Note 1 At DC At 5MHz
100 0.75 3.5 101 248
Blanking Input Resistance
1Vdc 0Vdc
k k VPP VPP deg deg VPP VPP k pF k pF
Detected Output Voltage GY Output RY Output Relative Output Phase BY to RY Output BY to GY Output Demodulator Unbalance Voltage Residual Carrier and Harmonics Output Voltage Reference Input Resistance Reference Input Capacitance Chroma Input Resistance Chroma Input Capacitance
Adjust BY Output to 5VPP, Luminance Voltage = 23V
BY Output = 5VPP, Luminance Voltage = 23V No Chroma Input Voltage and Nominal Reference Signal Input Voltage With Input Signal Voltage, Nominal Reference Signal Voltage, and BY Output = 5VPP
2.0 6.0 2.0 2.0
Note 1. With Normal Reference Input Signal Voltage, Adjust Chroma Input Signal Voltage to 1.2V(pp). Note 2. With Normal Reference Input Signal Voltage, Adjust Chroma Input Signal Voltage Until the Blue Output Voltage = 5V(pp). The Chroma Input Voltage at this point should be equal to or less than 0.7V(pp).
Pin Connection Diagram
G Y Output 1 R Y Output 2 Luminance Input 3 B Y Output 4 DC Ref Input 5 Blanking Input 6 GND 7
14 VCC 13 B Y Ref Input 12 R Y Ref Input 11 N.C. 10 Chroma DC Input 9 R Y Chroma Input 8 B Y Chroma Input
14
8
1
7
.785 (19.95) Max
.300 (7.62)
.200 (5.08) Max
.100 (2.45) .600 (15.24)
.099 (2.5) Min
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