AD8531/AD8532/AD8534

REV. D

–14–

* AD8531/AD8532/AD8534 SPICE Macro-model

3/96, REV. D

* 5-Volt Version

ARG / ADSC

*

* 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

*

noninverting input

*|

inverting input

*

||

positive supply

*

|||

negative supply

*

||||

output

*

|||||

.SUBCKT AD8531/AD8532/AD8534_5 1

2

99

50

40

*

* INPUT STAGE

*

M1

3

2

650

NIX L=6U W=25U

M2

4

7

650

NIX L=6U W=25U

M3

8

2

55

PIX

L=6U W=25U

M4

9

7

55

PIX

L=6U W=25U

EOS

7

1

POLY(1)

25

98

5E-3 0.451

IIN1

1

98

5P

IIN2

2

98

5P

IOS

2

1

0.5P

I1

99

5

50U

I2

6

50

50U

R1

99

3

4.833K

R2

99

4

4.833K

R3

850

4.833K

R4

950

4.833K

D3

5

99

DX

D4

50

6

DX

*

* GAIN

STAGE

*

EREF

98

0

POLY(2)

99

0

50

0

0

0.5

+0.5

G1

98

21

POLY(2)

4

3

9

8

0

+145U

+145U

RG

21

98

18.078E6

CC

21

40

14P

D1

21

22

DX

D2

23

21

DX

V1

99

22

1.37

V2

23

50

1.37

*

* COMMON MODE GAIN STAGE

*

ECM

24

98

POLY(2)

1

98

2

98

0

0.5

+0.5

R5

24

25

1E6

R6

25

98

10K

C1

24

25

0.75P

*

* OUTPUT STAGE

*

ISY

99

50

450.4U

GSY

99

50

POLY(1)

99

50

-3.334E-4

6.667E-5

EP

99

39

POLY(1)

98

21

0.78925

1

EN

38

50

POLY(1)

21

98

0.78925

1

M15

40

39

99

99

POX L=1.5U

W=1500U

M16

40

38

50

50

NOX L=1.5U

W=1500U

C15

40

39

50P

C16

40

38

50P

.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