AD8531ART Analog Devices, AD8531ART Datasheet - Page 14

• Manufacturer Part Number: AD8531ART
• Description: Low Cost, 250 ma Output Single-supply Amplifiers
• Manufacturer: Analog Devices

AD8531/AD8532/AD8534
* AD8531/AD8532/AD8534 SPICE Macro-model
* 5-Volt Version
*
* Copyright 1996 by Analog Devices
*
* Refer to “README.DOC” file for License Statement. Use of this model
* indicates your acceptance of the terms and provisions in the License
* Statement.
*
* Node assignments
*
*
*
*
*
*
.SUBCKT AD8531/AD8532/AD8534_5 1
*
* INPUT STAGE
*
M1
M2
M3
M4
EOS
IIN1
IIN2
IOS
I1
I2
R1
R2
R3
R4
D3
D4
*
* GAIN STAGE
*
EREF
+0.5
G1
+145U
RG
CC
D1
D2
V1
V2
*
3
4
8
9
7
1
2
2
99
6
99
99
8
9
5
50
98
98
+145U
21
21
21
23
99
23
2
7
2
7
1
98
98
1
5
50
3
4
50
50
99
6
0
21
98
40
22
21
22
50
6
6
5
5
POLY(1)
5P
5P
0.5P
50U
50U
4.833K
4.833K
4.833K
4.833K
DX
DX
POLY(2)
POLY(2)
18.078E6
14P
DX
DX
1.37
1.37
50
50
5
5
ARG / ADSC
NIX L=6U W=25U
NIX L=6U W=25U
PIX L=6U W=25U
PIX L=6U W=25U
25
99
4
noninverting input
|
|
|
|
|
98
0
3
inverting input
|
|
|
|
2
5E-3 0.451
50
9
positive supply
|
|
|
99
0
8
negative supply
|
|
50
3/96, REV. B
output
|
40
0
0
0.5
–14–
* COMMON MODE GAIN STAGE
*
ECM
+0.5
R5
R6
C1
*
* OUTPUT STAGE
*
ISY
GSY
EP
EN
M15
M16
C15
C16
.MODEL DX D(RS=1 CJO=0.1P)
.MODEL NIX NMOS(VTO=0.75 KP=205.5U RD=1 RS=1 RG=1 RB=1
+CGSO=4E-9
+CGDO=4E-9 CGBO=16.667E-9 CBS=2.34E-13 CBD=2.34E-13)
.MODEL NOX NMOS(VTO=0.75 KP=195U RD=.5 RS=.5 RG=1 RB=1
+CGSO=66.667E-12
+CGDO=66.667E-12 CGBO=125E-9 CBS=2.34E-13 CBD=2.34E-13)
.MODEL PIX PMOS(VTO=-0.75 KP=205.5U RD=1 RS=1 RG=1 RB=1
+CGSO=4E-9
+CGDO=4E-9 CBDO=16.667E-9 CBS=2.34E-13 CBD=2.34E-13)
.MODEL POX PMOS(VTO=-0.75 KP=195U RD=.5 RS=.5 RG=1 RB=1
+CGSO=66.667E-12
+CGDO=66.667E-12 CGBO=125E-9 CBS=2.34E-13 CBD=2.34E-13)
.ENDS
24
24
25
24
99
99
99
38
40
40
40
40
98
25
98
25
50
50
39
50
39
38
39
38
POLY(2)
1E6
10K
0.75P
450.4U
POLY(1)
POLY(1)
POLY(1)
99
50
50P
50P
99
50
1
99
98
21
POX L=1.5U
NOX L=1.5U
98
50
21
98
2
-3.334E-4
0.78925
0.78925
98
W=1500U
W=1500U
0
6.667E-5
1
1
REV. B
0.5