NTE7045 PDF даташит
Спецификация NTE7045 изготовлена «NTE Electronics» и имеет функцию, называемую «Integrated Circuit Horizontal Signal Processing Circuit for CRT Displays». |
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Детали детали
Номер произв | NTE7045 |
Описание | Integrated Circuit Horizontal Signal Processing Circuit for CRT Displays |
Производители | NTE Electronics |
логотип |
2 Pages
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NTE7045
Integrated Circuit
Horizontal Signal Processing Circuit
for CRT Displays
Features:
D Processing for both Negative and Positive Sync. Signal
D Wide Horizontal Oscillation Frequency Range: 14kHz to 60kHz
D Wide Output Pulse Width Selection: 2µs to 40µs
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1140mW
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Total Circuit Current
Polarity Changeover Voltage
Itot
V2–7
VCC = 11V
Positive Polarity Signal Input
Negative Polarity Signal Input
Horizontal OSC Starting Voltage
Horizontal OSC Frequency
Horizontal OSC Enable
Frequency
Vosc–s (H) fHO = 12kHz to 19kHz
fHO(1) VCC = 11V, C = 4400pf
fHO(2) VCC = 11V, C = 820pf, 5600pf
fHO Change with Supply Voltage
fHO Change with Ambient
Temperature
OSC Frequency Control
Sensitivity
∆fHO/VCC fHO = 15.75kHz,
fHO |9.9V – fHC| 12.1V
∆fHO/TA fHO = 15.75kHz,
fHO |–20°C – fHO| +60°C
β ∆IO = ±25µA
Min Typ Max
30 45 60
0 – 0.4
2.5 – 5.5
7.5 – –
15.0 15.75 16.5
14 – 60
Unit
mA
V
V
V
kHz
kHz
– 40 130 Hz
– – 260 Hz
16.0 17.6 19.3 Hz/µA
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Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
DC Loop Gain
Output Pulse Width
fDC
τHO(1)
µxβ
VCC = 11V, R = 20kΩ,
C = 6800pf
– 700 – Hz/µs
17.8 19.4 21.2 µs
Output Enable Pulse Width
τHO(2) VCC = 11V, R = 20kΩ,
C = 330pf, 18000pf
2 – 40 µs
Output Pulse Width Supply
Voltage Change
∆τHO/VCC VCC = 9.9V to 12.1V
––5 %
Output Pulse Width Temperature ∆τHO/TA VCC = 11V, TA = –20° to +60°C – – 5
Change
%
OSC Output Saturation Voltage
OSC Output Driving Current
X–Ray Protection Circuit
Operation Starting Voltage
V8–7
V8–7
V6–7
VCC = 11V, V10–7 = 1V
VCC = 11V, V10–7 = 1V
VCC = 11V
––2
300 – –
0.5 0.64 0.75
V
mA
V
Pin Connection Diagram
(Front View)
12 Ref Voltage for H–OSC Circuit
11 Sawtooth Wave Gen
10 Pulse Width Adjust
9 Trigger Input
8 H–Drive Output
7 GND
6 X–Ray Protect Input
5 VCC
4 AFC Output
3 FBK Pulse Input
2 Polarity Switch
1 H–Sync Input
1.157 (29.4)
.150 (3.81)
1
.100 (2.54) Typ
1.100 (27.9)
.311
(7.9)
12
.184
(4.7)
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