MAX44250AUA+ datasheet(3/17 Pages) MAXIM

Part #	MAX44250AUA+

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

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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Maxim Integrated

MAX44250/MAX44251/MAX44252

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

ELECTRICAL CHARACTERISTICS (continued)

(VDD = 10V, VSS = 0V, VIN+ = VIN- = VDD/2, RL = 10kI to VDD/2, TA = -40°C to +125°C, unless otherwise noted. Typical values are

at TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Offset Voltage (MAX44251/

MAX44252)(Note 3)

VOS

TA = +25NC

3

6

F

V

-40NC < TA < +125NC

7

Input Offset Voltage Drift

(MAX44250) (Note 3)

TC VOS

5

26

nV/NC

Input Offset Voltage Drift

(MAX44251/MAX44252)(Note 3)

TC VOS

5

19

nV/NC

Input Bias Current (MAX44250)

(Note 3)

IB

TA = +25NC

200

1400

pA

Input Bias Current (MAX44251/

MAX44252)(Note 3)

IB

TA = +25NC

200

1300

pA

-40NC < TA < +125NC

2400

Input Offset Current (Note 3)

IOS

400

pA

Open-Loop Gain (Note 3)

AVOL

250mV P VOUT P

VDD - 250mV,

RL = 10kI to

VDD/2

TA = +25NC

145

154

dB

-40NC < TA <

+125NC

136

Output Short-Circuit Current

To VDD or VSS

Noncontinuous

96

mA

Output Voltage Low

(MAX44250)

VOL

VOUT - VSS

RL = 10kI to VDD/2

12

26

mV

RL = 2kI to VDD/2

45

92

Output Voltage Low

(MAX44251/MAX44252)

VOL

VOUT - VSS

RL = 10kI to VDD/2

12

25

mV

RL = 2kI to VDD/2

45

85

Output Voltage High

(MAX44250)

VOH

VDD - VOUT

RL = 10kI to VDD/2

18

40

mV

RL = 2kI to VDD/2

71

148

Output Voltage High

(MAX44251/MAX44252)

VOH

VDD - VOUT

RL = 10kI to VDD/2

18

37

mV

RL = 2kI to VDD/2

71

135

AC SPECIFICATIONS

Input Voltage-Noise Density

eN

f = 1kHz

5.9

nV/

√Hz

Input Voltage Noise

0.1Hz < f < 10Hz

123

nVP-P

Input Current-Noise Density

iN

f = 1kHz

0.6

pA/

√Hz

Input Capacitance

CIN

2

pF

Gain-Bandwidth Product

GBW

10

MHz

Phase Margin

PM

CL = 20pF

60

Degrees

Slew Rate

SR

AV = 1V/V, VOUT = 2VP-P

8

V/Fs

Capacitive Loading

CL

No sustained oscillation, AV = 1V/V

500

pF

Total Harmonic Distortion

THD

VOUT = 2VP-P,

AV = +1V/V,

RL = 10kI to

VDD/2

f = 1kHz

-124

dB

f = 20kHz

-119

Settling Time

To 0.01%, VOUT = 2V step, AV = -1V/V

400

ns

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