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CRT Displays. NTE7045 Datasheet

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CRT Displays. NTE7045 Datasheet
















NTE7045 Displays. Datasheet pdf. Equivalent













Part

NTE7045

Description

Integrated Circuit Horizontal Signal Processing Circuit for CRT Displays



Feature


NTE7045 Integrated Circuit Horizontal Si gnal Processing Circuit for CRT Display s Features: D Processing for both Negat ive and Positive Sync. Signal D Wide Ho rizontal Oscillation Frequency Range: 1 4kHz to 60kHz D Wide Output Pulse Width Selection: 2µs to 40µs Absolute Maxi mum Ratings: (TA = +25°C unless otherw ise specified) Supply Voltage, VCC . . . . . . . . . . . . ..
Manufacture

NTE Electronics

Datasheet
Download NTE7045 Datasheet


NTE Electronics NTE7045

NTE7045; . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V Supply Curren t, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


NTE Electronics NTE7045

. . . . . . . . . . . 1140mW Operating A mbient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40° to +150°C Electrical Characteri stics: (TA = +25°C unless otherwise sp ecified) Parameter Total Ci.


NTE Electronics NTE7045

rcuit Current Polarity Changeover Voltag e Symbol Itot V2–7 Test Conditions VC C = 11V Positive Polarity Signal Input Negative Polarity Signal Input Horizont al OSC Starting Voltage Horizontal OSC Frequency Horizontal OSC Enable Frequen cy fHO Change with Supply Voltage fHO C hange with Ambient Temperature OSC Freq uency Control Sensitivity Vosc–s (H) fHO = 12kHz to 19kHz f.





Part

NTE7045

Description

Integrated Circuit Horizontal Signal Processing Circuit for CRT Displays



Feature


NTE7045 Integrated Circuit Horizontal Si gnal Processing Circuit for CRT Display s Features: D Processing for both Negat ive and Positive Sync. Signal D Wide Ho rizontal Oscillation Frequency Range: 1 4kHz to 60kHz D Wide Output Pulse Width Selection: 2µs to 40µs Absolute Maxi mum Ratings: (TA = +25°C unless otherw ise specified) Supply Voltage, VCC . . . . . . . . . . . . ..
Manufacture

NTE Electronics

Datasheet
Download NTE7045 Datasheet




 NTE7045
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




 NTE7045
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 = 20k,
C = 6800pf
700 Hz/µs
17.8 19.4 21.2 µs
Output Enable Pulse Width
τHO(2) VCC = 11V, R = 20k,
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
XRay Protection Circuit
Operation Starting Voltage
V87
V87
V67
VCC = 11V, V107 = 1V
VCC = 11V, V107 = 1V
VCC = 11V
––2
300 – –
0.5 0.64 0.75
V
mA
V
Pin Connection Diagram
(Front View)
12 Ref Voltage for HOSC Circuit
11 Sawtooth Wave Gen
10 Pulse Width Adjust
9 Trigger Input
8 HDrive Output
7 GND
6 XRay Protect Input
5 VCC
4 AFC Output
3 FBK Pulse Input
2 Polarity Switch
1 HSync 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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