NTE NTE1727

NTE1727
Integrated Circuit
TV Signal Processor
Description:
The NTE1727 is an integrated circuit designed for color TV deflection signal processing circuits. It
can be operated with a 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 sSupply 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 unless otherwise specified)
Supply Voltage
V7–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5V
V15–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Circuit Voltage
V1–9, V12–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 10V
V10–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V15–9
V17–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 6V
V18–9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –3V to 2V
Supply Current
I7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16mA
I15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23mA
Circuit Current
I2, I4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –3mA to 3mA
I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –5mA to 0mA
I5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1mA to 1mA
I6, I8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30mA to 0mA
I12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –2mA to 1mA
I13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0mA to 30mA
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
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
Test Conditions
Min
Typ
Max
Unit
I7
Apply 12V with 200 to Pin7
7.5
12.0
15.5
mA
I15
V15–9 = 12V
18
25
33
mA
0.73
–
0.86
V
fVO = 40Hz to 60Hz, 0.7VP–P or more
–
–
6
V
VCC 1 = 12V, ROSC(V) = 9.5kΩ
47
50
53
Hz
fVO |9.6V to fVO| 14.4V
0
1.0
1.3
Hz
Protector Operating Voltage
V5–9
Oscillation Starting Voltage
(V • Osc)
VOSC–s(1)
Vertical Oscillation Frequency
Apply 12V with 200 to pin7
fVO
DfVO/VCC
fVO Change with Supply
Voltage
Pulse Width (V • Osc)
t
VCC 1 = 12V, ROSC(V) = 9.5kΩ
420
600
780
µs
Vertical Pull–In Range
fVP
VCC 1 = 12V, ROSC(V) = 9.5kΩ
–
43
47
Hz
Vertical Sawtooth Wave
Amplification
V(saw)
VCC 1= 12V, ROSC(V) = 9.5kΩ
0.9
1.2
1.5
VP–P
fVO Change with Ambient
Temperature
DfVO/TA
TA = –20° to +70°C
–
0.8
–
Hz/°C
V(saw) Change with Ambient
Temperature
DV(saw)/TA TA = –20° to +70°C
–
–
30
mVP–P/°C
Oscillation Starting Voltage
VOSC–s(2)
–
–
6
V
Horizontal Oscillation
Frequency
fHO
VCC2 = 12V, ROSC(H) = 2.95kΩ
fHO Change with Supply
Voltage
DfHO/VCC
Pulse Width Duty Ratio
(H • Osc)
t
fHO Control Sensitivity
b
fHO Change with Ambient
Temperature
AFC Loop Gain
DfHO/TA
fAFC
fVO = 10kHz to 20kHz, 1VP–P or more
fHO |9.6V to fHO| 14.4V
15.0
15.75 16.25
kHz
0
100
200
Hz
VCC 2 = 12V
31.5
35.4
38.9
&
IO = ±100µA
19
21
23
Hz/µA
TA = –20° to +70°C
–1.67
–
+1.67
Hz/°C
µxb
5800
7700
9600
Hz/rad
Pin Connection Diagram
AFC Reference Signal Input 1
Horizontal AFC Output 2
Horizontal Hold Volume 3
Horizontal OSC Capacitor 4
X–Ray Protect Input 5
Horizontal Output 6
VCC 2 7
Vertical Output 8
GND 9
18 Video Signal Input
17 Noise Detector Input
16 Sync Separator Output
15 VCC 1
14 Vertical Integral Capacitor
13 Vertical Hold Volume
12 Vertical Pulse Output
11 Vertical Sawtooth Capacitor
10 DC/AC Feedback Input
18
10
1
9
.870 (22.1) Max
.250
(6.35)
.150
(3.8)
.100 (2.54)
.800 (20.3)
.125 (3.17) Min