NTE NTE1295

NTE1295
Integrated Circuit
TV Signal Processor
Description:
The NTE1295 is an integrated circuit in an 18–Lead DIP type package designed for color TV deflection signal processing circuit. It can be operated with 12V power supply and is suitable for compact
and medium–sized color TV sets.
Features:
D Built–In Vertical Deflection Driver Circuit
D Incorporating Vertical and Horizontal Oscillator Circuit, Operations Highly Stable Against
Changes in Supply Voltage and Temperature.
D Highly Stable Synchronous Separation Circuit Against Noise
D Built–In High Tension Protector Circuit (X–Ray Protection)
D 12V Supply Voltage Operation.
Absolute Maximum Ratings: (TA = +25°C, Note 1 unless otherwise specified)
Supply Voltage
V7–8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5V
V15–8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Circuit Voltage
V1–8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 10V
V10–8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V15–8
V12–8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V15–8
V17–8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.6 to 6.0V
V18–8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –3 to +2V
Supply Current
I7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA
I15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Circuit Current
I2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –3 to +3mA
I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5 to 0mA
I4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5 to +5mA
I5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1 to +1mA
I6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20 to 0mA
I9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –15 to 0mA
I12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1 to +150mA
I13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 40mA
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Note 1. and are flow–in and flow–out currents to/from the circuit, respectively.
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Circuit Current
15.0
mA
I15
V15–8 = 12V
15.5
23.0
32.0
mA
Apply 12V with 240Ω to Pin7
0.64
0.70
0.76
V
fVO = 40 to 70Hz, 1.0VP–P or More
–
–
6.2
V
VCC1 = 12V
53
55
58
Hz
0
0.93
1.3
Hz
500
600
820
µs
–
–
50
Hz
1.8
2.0
2.2
VP–P
–220
–170
0
ppm/°C
–
–
30
mVP–P/°C
–
–
7.5
mA
–
–
6
V
15.0
15.6
16.25
kHz
0
25
45
Hz
fVO
∆fVO/VCC fVO|9.6V to fVO|14.4V
Pulse Width (V Osc)
t
Vertical Pull–In Range
fVP
Vertical Sawtooth Wave
Amplification
v(saw)
fVO Change with Ambient
Temperature
∆fVO/TA
VCC1 = 12V
ROSC = 10.93kΩ, (fVO = 48 ±1.5Hz)
RSAW = 26.4kΩ
TA = –20° to +70°C, Note 2
∆v(saw)/TA TA = –20° to +70°C, Note 2
Oscillation Starting Voltage
(H Osc)
I9
VOSC–S
Horizontal Oscillation Frequency
fHO Change with Supply Voltage
Unit
11.2
VOSC–S
Vertical Output Tr Drive Current
Max
7.5
Oscillation Starting Voltage
(V Osc)
v(saw) Change with Ambient
Temperature
Typ
Apply 12V with 240Ω to Pin7
V5–8
fVO Change with Supply Voltage
Min
I7
Protector Operating Voltage
Vertical Oscillation Frequency
Test Conditions
fHO
fHO = 10 to 20kHz,
1.4VP–P or More (VCC2 = 6.5V)
VCC2 = 12V
∆fHO/VCC fHO|13V to fHO|10V
Pulse Width Duty Ratio (H Osc)
t
VCC2 = 12V
32.0
36.0
39.5
%
fHO Control Sensitivity
b
IO = ±100mA
19
21
23
Hz/µA
TA = –20° to +70°C, Note 2
–210
–100
0
ppm/°C
mxb
5800
7700
9600
Hz/rad
fHO Change with Ambient
Temperature
AFC Loop Gain
∆fHO/TA
fAFC
Note 2. Design reference value.
Pin Connection Diagram
Horiz Sawtooth
Filter
Horiz Hold
Bypass
Protector Input
Horiz Driver
Voltage Regulator
GND
Vert Output
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
Video Input
Noise Detector
Horiz Sync Output
VCC
Bypass
Vert Hold
Vert Height
Vert Ramp Generator
Vert Driver Input
18
10
1
9
.250 (6.35)
.870 (22.1) Max
.150
(3.8)
.100 (2.54)
.800 (20.3)
.125 (3.17) Min