Electrical characteristics – Rainbow Electronics MAX44252 User Manual

Page 4

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MAX44251/MAX44252

20V, Ultra-Precision, Low-Noise Op Amps

ELECTRICAL CHARACTERISTICS

(V

DD

= 3.3V, V

SS

= 0V, V

IN+

= V

IN-

= V

DD

/2, R

L

= 10kI to V

DD

/2, T

A

= -40°C to +125°C, unless otherwise noted. Typical values

are at +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

POWER SUPPLY

Quiescent Current per Amplifier

I

DD

R

L

= J

T

A

= +25NC

1.1

1.5

mA

-40NC < T

A

< +125NC

1.65

Power-Up Time

t

ON

25

F

s

DC SPECIFICATIONS

Input Common-Mode Range

V

CM

Guaranteed by CMRR test

V

SS

-

0.05

V

DD

-

1.5

V

Common-Mode Rejection Ratio
(Note 3)

CMRR

T

A

= +25NC, V

CM

= -0.05V to (V

DD

-

1.5V)

120

129

dB

-40NC < T

A

< +125NC

117

Input Offset Voltage (Note 3)

V

OS

T

A

= +25NC

3

5.5

F

V

-40NC < T

A

< +125NC

6.5

Input Offset Voltage Drift
(Note 3)

TC V

OS

8

18

nV/NC

Input Bias Current (Note 3)

I

B

T

A

= +25NC

200

1100

pA

-40NC < T

A

< +125NC

1200

Input Offset Current (Note 3)

I

OS

400

pA

Open-Loop Gain (Note 3)

A

VOL

250mV P V

OUT

P

V

DD

- 250mV,

R

L

= 10kI to

V

DD

/2

T

A

= +25NC

136

151

dB

-40NC < T

A

< +125NC

133

Output Short-Circuit Current

To V

DD

or V

SS

Noncontinuous

58

mA

Output Voltage Low

V

OL

V

OUT

- V

SS

R

L

= 10kI to V

DD

/2

5

22

mV

R

L

= 2kI to V

DD

/2

17

42

Output Voltage High

V

OH

V

DD

- V

OUT

R

L

= 10kI to V

DD

/2

9

22

mV

R

L

= 2kI to V

DD

/2

29

52

AC SPECIFICATIONS
Input Voltage-Noise Density

e

N

f = 1kHz

6.2

nV/

√Hz

Input Voltage Noise

0.1Hz < f < 10Hz

123

nV

P-P

Input Current-Noise Density

i

N

f = 1kHz

0.3

pA/

√Hz

Input Capacitance

C

IN

2

pF

Gain-Bandwidth Product

GBW

10

MHz

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