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EL4390C 데이터시트 PDF




Elantec Semiconductor에서 제조한 전자 부품 EL4390C은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 EL4390C 기능
기능 Triple 80 MHz Video Amplifier with DC Restore
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EL4390C 데이터시트, 핀배열, 회로
EL4390C
Triple 80 MHz Video Amplifier with DC Restore
Features
 80 MHz b3 dB bandwidth for
gains of 1 to 10
 800 V ms slew rate
 15 MHz bandwidth flat to 0 1 dB
 Excellent differential gain and
phase
 TTL CMOS compatible DC
restore function
 Available in 16 lead P-DIP 16
lead SOL
Applications
 RGB drivers requiring DC
restoration
 RGB multiplexers requiring DC
restoration
 RGB building blocks
 Video gain blocks requiring DC
restoration
 Sync and color burst processing
Ordering Information
Part No Temp Range Package Outline
EL4390CN b40 C to a85 C 16-Pin P-DIP MDP0031
EL4390CM b40 C to a85 C 16-Lead SOL MDP0027
General Description
The EL4390C is three wideband current-mode feedback amplifi-
ers optimized for video performance each with a DC restore
amplifier The DC restore function is activated by a common
TTL CMOS compatible control signal while each channel has a
separate restore reference
Each amplifier can drive a load of 150X at video signal levels
The EL4390C operates on supplies as low as g4V up to g15V
Being a current-mode feedback design the bandwidth stays rel-
atively constant at approximately 80MHz over the g1 to g10
gain range The EL4390C has been optimized for use with
1300X feedback resistors
Connection Diagram
4390 – 1
Note All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication however this data sheet cannot be a ‘‘controlled document’’ Current revisions if any to these
specifications are maintained at the factory and are available upon your request We recommend checking the revision level before finalization of your design documentation
1994 Elantec Inc




EL4390C pdf, 반도체, 판매, 대치품
EL4390C
Triple 80 MHz Video Amplifier with DC Restore
Table 1 Charge Storage Capacitor Value vs Droop and Charging Rates
Cap Value
(nF)
Droop in
60mS (mV)
Charge in
2mS (mV)
Charge in
4mS (mV)
10 30 400 800
22 13 6 182 364
47 6 4 85 170
100 3 0 40 80
220 1 36 18
36
These numbers represent the worst case bias current and the worst case charging current Note that to
get the full (2mAa) charging current the clamp input must have l250mV of error voltage
Note that the magnitude of the bias current will decrease as temperature increases
The basic droop formula is
V (droop) e IBa c (Line time b Charge time) capacitor value
and the basic charging formula is
V (charge) e IOUT c Charge time capacitor value
Where IOUT is
IOUT e (Clamp voltage b INa voltage) 120
4

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EL4390C 전자부품, 판매, 대치품
EL4390C
Triple 80 MHz Video Amplifier with DC Restore
Typical Performance Curves Contd
Crosstalk
Channel R and G to Channel B
VS e g5V RF e 1300X
INa Input Impedance
during HOLD VS e g5V
INa Input Impedance
during SAMPLE VS e g5V
4390 – 16
Phase Shift at INa Pin
during Restore
RS e 75X and 150X VS e g5V
4390 – 21
IOUT Restoring vs Clamp
Voltage at VS e g5V
4390 – 22
Pulse Response with AV e 2
RF e RG e 1300X at VS e g5V
4390 – 23
Output during DC-Restoration
Showing DC Droop
RF e RG e 1300X VS e g5V
4390 – 24
Output during DC-Restoration
RF e RG e 1300X VS e g5V
4390 – 25
Pulse Response with AV e 5
RF e 820X and RG e 200X
at VS e g15V
4390 – 26
4390 – 27
7
4390 – 28

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관련 데이터시트

부품번호상세설명 및 기능제조사
EL4390

Triple 80 MHz Video Amplifier with DC Restore

Elantec Semiconductor
Elantec Semiconductor
EL4390C

Triple 80 MHz Video Amplifier with DC Restore

Elantec Semiconductor
Elantec Semiconductor

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