EL2357C 데이터 시트보기 (PDF) - Elantec -> Intersil

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EL2357C

125 MHz Single Supply, Clamping Op Amps

Elantec -> Intersil 

EL2257C/EL2357C

125 MHz Single Supply, Clamping Op Amps

EL2257C/EL2357C Macromodel (one channel)

* Revision A, October 1995

* Pin numbers reflect a standard single opamp.

* When not being used, the clamp pin, pin 1,

* should be connected to Vsupply, pin 7

* Connections: +input

*

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-input

*

|

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+Vsupply

*

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|

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-Vsupply

*

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|

|

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output

*

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|

|

|

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clamp

*

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.subckt EL2257/el 3

2

7

4

6

1

*

* Input Stage

*

i1 7 10 250µA

i2 7 11 250µA

r1 10 11 4K

q1 12 2 10 qp

q2 13 3 11 qpa

r2 12 4 100

r3 13 4 100

*

* Second Stage & Compensation

*

gm 15 4 13 12 4.6m

r4 15 4 15Meg

c1 15 4 0.36pF

*

* Poles

*

e1 17 4 15 4 1.0

r6 17 25 400

c3 25 4 1pF

r7 25 18 500

c4 18 4 1pF

*

* Connections:IN+IN+IN+IN+IN+IN+IN+INININININ

* Output Stage & Clamp

*

i3 20 4 1.0mA

q3 7 23 20 qn

q4 7 18 19 qn

q5 7 18 21 qn

q6 4 20 22 qp

q7 7 23 18 qn

d1 19 20 da

d2 18 1 da

r8 21 6 2

r9 22 6 2

r10 18 21 10k

r11 7 23 100k

d3 23 24 da

d4 24 4 da

d5 23 18 da

*

* Power Supply Current

*

ips 7 4 3.2mA

*

* Models

*

19

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