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Bias, Typical operating characteristics – Rainbow Electronics MAX4039 User Manual

Page 5

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MAX4036–MAX4039

Low I

BIAS

, +1.4V/800nA, Rail-to-Rail Op Amps

with +1.2V Buffered Reference

_______________________________________________________________________________________

5

MAX4036

SUPPLY CURRENT

vs. SUPPLY VOLTAGE AND TEMPERATURE

MAX4036 toc01

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (

µ

A)

3.0

2.6

2.2

1.8

0.4

0.8

1.2

1.6

0

1.4

3.4

T

A

= +85°C

T

A

= -40°C

T

A

= +25°C

MAX4037

SUPPLY CURRENT

vs. SUPPLY VOLTAGE AND TEMPERATURE

MAX4036 toc02

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (

µ

A)

3.3

3.0

2.7

2.4

2.1

0.5

1.0

1.5

2.0

2.5

3.0

0

1.8

3.6

T

A

= +85°C

T

A

= -40°C

T

A

= +25°C

MAX4038

SUPPLY CURRENT

vs. SUPPLY VOLTAGE AND TEMPERATURE

MAX4036 toc03

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (

µ

A)

3.0

2.6

2.2

1.8

0.5

1.5

1.0

2.0

2.5

3.0

0

1.4

3.4

T

A

= +85°C

T

A

= -40°C

T

A

= +25°C

MAX4039

SUPPLY CURRENT

vs. SUPPLY VOLTAGE AND TEMPERATURE

MAX4036 toc04

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (

µ

A)

3.3

3.0

2.7

2.4

2.1

1

2

4

3

5

0

1.8

3.6

T

A

= +85°C

T

A

= -40°C

T

A

= +25°C

OFFSET VOLTAGE

vs. COMMON-MODE VOLTAGE

MAX4036 toc05

COMMON-MODE VOLTAGE (V)

OFFSET VOLTAGE (mV)

2

1

0.2

0.4

0.6

0.8

1.0

0

0

3

V

DD

= 1.4V

V

DD

= 1.8V

V

DD

= 3.0V

OFFSET VOLTAGE

vs. TEMPERATURE

MAX4036 toc06

TEMPERATURE (°C)

OFFSET VOLTAGE (mV)

60

35

10

-15

-0.20

-0.10

0

0.10

0.20

0.30

-0.30

-40

85

INPUT BIAS CURRENT

vs. TEMPERATURE

MAX4036 toc07

TEMPERATURE (°C)

INPUT BIAS CURRENT (pA)

60

35

10

-15

0

10

20

30

40

-10

-40

85

V

CM

= 3V

V

CM

= 0V

INPUT BIAS CURRENT

vs. COMMON-MODE VOLTAGE

MAX4036 toc08

COMMON-MODE VOLTAGE (V)

INPUT BIAS CURRENT (pA)

2.5

2.0

1.5

1.0

0.5

10

20

30

40

0

0

3.0

T

A

= +25°C

T

A

=

+85

°C

-10

-100

10

10k

1k

100

OP AMP POWER-SUPPLY REJECTION RATIO

vs. FREQUENCY

-70

-90

-30

-50

0

-60

-80

-20

-40

MAX4036 toc09

FREQUENCY (Hz)

PSRR (dB)

A

V

= 1V/V

Typical Operating Characteristics

(V

DD

= 3V, V

SS

= V

CM

= 0V, R

L

to V

DD

/2, T

A

= +25°C, unless otherwise noted.)