EL2280CS-T13 Elantec Semiconductor, EL2280CS-T13 Datasheet - Page 15

• Manufacturer Part Number: EL2280CS-T13
• Description: 250MHz / 3mA Current Mode Feedback Amplifiers
• Manufacturer: Elantec Semiconductor

EL2180C/EL2280C/EL2480C Macromodel
* EL2180 Macromodel
* Revision A, March 1995
* AC characteristics used: Rf = Rg = 750 ohms
* Connections:
*
*
*
*
*
.subckt EL2180/el 3
*
* Input Stage
*
e1 10 0 3 0 1.0
vis 10 9 0V
h2 9 12 vxx 1.0
r1 2 11 400
l1 11 12 25nH
iinp 3 0 1.5uA
iinm 2 0 3uA
r12 3 0 2Meg
*
* Slew Rate Limiting
*
h1 13 0 vis 600
r2 13 14 1K
d1 14 0 dclamp
d2 0 14 dclamp
*
* High Frequency Pole
*
e2 30 0 14 0 0.00166666666
l3 30 17 150nH
c5 17 0 0.8pF
r5 17 0 165
*
* Transimpedance Stage
*
g1 0 18 17 0 1.0
rol 18 0 450K
cdp 18 0 0.675pF
*
* Output Stage
*
q1 4 18 19 qp
q2 7 18 20 qn
q3 7 19 21 qn
q4 4 20 22 qp
r7 21 6 4
r8 22 6 4
ios1 7 19 1mA
ios2 20 4 1mA
*
* Supply Current
*
ips 7 4 0.2mA
*
* Error Terms
*
ivos 0 23 0.2mA
vxx 23 0 0V
e4 24 0 3 0 1.0
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-input
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+input
+Vsupply
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-Vsupply
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2
EL2180C/EL2280C/EL2480C-Preliminary
output
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7
4
6
250MHz / 3mA Current Mode Feedback Amplifiers
15