815

NTE815
Integrated Circuit
TV Horizontal Processor
Description:
The NTE815 is an integrated circuit in an 8–Lead DIP type package containing low–level horizontal
sections including phase detector, oscillator and pre–driver–a device designed for use in all types of
television receivers.
Features:
D Internal Shunt Regulator
D Preset Hold Control Capability
D ±300Hz Typical Pull–In
D Linear Balanced Phase Detector
D Variable Output Duty Cycle for Driving Tube or Transistor
D Low Thermal Frequency Drift
D Small Static Phase Error
D Adjustable dc Loop Gain
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA
Output Voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Output Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA
Sync Input Voltage (Pin 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V(p–p)
Flyback Input Voltage (Pin 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V(p–p)
Power Dissipation (Package limitation), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW
Derate above 25° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0mW/°C
Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Test Conditions
Min
Typ
Max
Unit
8.0
8.4
8.8
V
Supply Current (Pin6)
–
20
–
mA
Collector–Emitter Saturation Voltage (Output Transistor) IC = 20mA, Pin1
–
0.30 0.35
V
Voltage (Pin4)
–
2.0
–
V
Oscillator Pull–In Range
–
±300
–
Hz
Oscillator Hold–In Range
–
±900
–
Hz
–
0.5
–
µs
Free–Running Frequency Supply Dependence
–
±3.0
–
Hz/V
Phase Detector Leakage (Pin5)
–
–
±1.0
µA
Sync Input Voltage (Pin3)
2.0
–
5.0
VP–P
Sawtooth Input Voltage (Pin4)
1.0
–
3.0
VP–P
Regulated Voltage (Pin6)
∆f = 300Hz
Static Phase Error
Pin Connection Diagram
Output 1
8 Mark Space Ratio
GND 2
7 OSC Timing
Sync Input 3
6 VCC
(+) Horizontal Input 4
8
5 Det Output
5
.260 (6.6)
1
4
.390 (9.9)
Max
.300
(7.62)
.155
(3.93)
.100 (2.54)
.145 (3.68)
.300 (7.62)