NTE815
Integrated Circuit
TV Horizontal Processor
Description:
The NTE815 is an integrated circuit in an 8Lead DIP type package containing lowlevel horizontal
sections including phase detector, oscillator and predrivera device designed for use in all types of
television receivers.
Features:
D
Internal Shunt Regulator
D
Preset Hold Control Capability
D
300Hz Typical PullIn
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: (T
A
= +25
C unless otherwise specified)
Supply Current
40mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Voltage, V
O
40V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Current, I
O
30mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sync Input Voltage (Pin 3)
5V
(pp)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flyback Input Voltage (Pin 4)
5V
(pp)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (Package limitation), P
D
625mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate above 25
5.0mW/
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature Range, T
A
0
to +75
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
65
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (T
A
= +25
C unless otherwise specified)
Parameter
Test Conditions
Min
Typ
Max
Unit
Regulated Voltage (Pin6)
8.0
8.4
8.8
V
Supply Current (Pin6)
20
mA
CollectorEmitter Saturation Voltage (Output Transistor) I
C
= 20mA, Pin1
0.30
0.35
V
Voltage (Pin4)
2.0
V
Oscillator PullIn Range
300
Hz
Oscillator HoldIn Range
900
Hz
Static Phase Error
f = 300Hz
0.5
s
FreeRunning Frequency Supply Dependence
3.0
Hz/V
Phase Detector Leakage (Pin5)
1.0
A
Sync Input Voltage (Pin3)
2.0
5.0
V
PP
Sawtooth Input Voltage (Pin4)
1.0
3.0
V
PP
V
CC
Pin Connection Diagram
Mark Space Ratio
1
2
3
4
Output
GND
Sync Input
(+) Horizontal Input
8
7
6
5
OSC Timing
Det Output
1
4
.260 (6.6)
.390 (9.9)
Max
8
5
.155
(3.93)
.145 (3.68)
.300
(7.62)
.300 (7.62)
.100 (2.54)
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