EL2157CS datasheet(18/19 Pages) INTERSIL

Part #	EL2157CS

Description	125MHz Single Supply, Clamping Op Amps

PDF	19 Pages

Scroll/Zoom	100%

Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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18 / 19 page

EL2157 Macromodel

* Revision A, July 1995

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

* should be connected to +Vsupply, pin 7

* Connections:

+input

-input

+Vsupply

-Vsupply

output

clamp

.subckt EL2157/el 3

* Input Stage

i1 7 10 250uA

i2 7 11 250uA

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

* 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

EL2150, EL2157

EL2157CS Datasheet(PDF) 18 Page - Intersil Corporation

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