MAX4251 datasheet(5/16 Pages) MAXIM

Part #	MAX4251

Description	SOT23, Single-Supply, Low-Noise, Low-Distortion, Rail-to-Rail Op Amps

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Manufacturer	MAXIM [Maxim Integrated Products]

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

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SOT23, Single-Supply, Low-Noise,

Low-Distortion, Rail-to-Rail Op Amps

_______________________________________________________________________________________

5

50

80

70

60

90

100

110

120

130

140

150

0

100

50

150

200

250

LARGE-SIGNAL VOLTAGE GAIN

vs. OUTPUT VOLTAGE SWING

VOUT SWING FROM EITHER SUPPLY (mV)

RL = 200kΩ

RL = 20kΩ

RL = 2kΩ

VDD = 5V

RL REFERENCED TO VDD

100

110

105

115

120

125

-40

0

-20

20

60

40

80

LARGE-SIGNAL VOLTAGE GAIN

vs. TEMPERATURE

TEMPERATURE (°C)

RL REFERENCED T0 VDD/2

VDD = 5V

RL = 100kΩ

VOUT = 10mV

to 4.99V

RL = 10kΩ

VOUT = 20mV

to 4.975V

RL = 1kΩ

VOUT = 150mV

to 4.75V

0.373

0.374

0.375

0.376

340

380

360

400

420

440

460

-40

0

-20

20

60

40

80

SUPPLY CURRENT AND SHUTDOWN

SUPPLY CURRENT vs. TEMPERATURE

MAX4249 TOC12

TEMPERATURE (°C)

SHDN = VDD

PER AMPLIFIER

SHDN = VSS

320

340

360

380

400

420

440

0

0.1

0.2

0.3

0.4

0.5

0.6

1.8

2.8

2.3

3.3

3.8

4.3

4.8

5.3 5.5

SUPPLY CURRENT AND SHUTDOWN

SUPPLY CURRENT vs. SUPPLY VOLTAGE

MAX4249 TOC 13A

SUPPLY VOLTAGE (V)

PER AMPLIFIER

SHDN = VSS

SHDN = VDD

60

-40

100

10k

100k

1M

1k

10M

MAX4250–MAX4254

GAIN AND PHASE vs. FREQUENCY

-20

-10

0

-30

MAX4249 TOC15

FREQUENCY (Hz)

10

20

30

40

50

180

-180

-108

-72

-36

-144

0

36

72

108

144

GAIN

PHASE

VDD = 3V, 5V

RL = 50kΩ

CL = 20pF

AV = 1000

2000

100

0.001

0.1

1

0.01

5

SUPPLY CURRENT

vs. OUTPUT VOLTAGE

OUTPUT VOLTAGE (V)

1000

400

VDD = 5V

VDD = 3V

40

60

80

120

100

180

160

140

1.8

2.3

2.8

3.3

3.8

4.3

4.8

5.3

INPUT OFFSET VOLTAGE

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

VCM = 0V

VOUT = VDD/2

RL REFERENCED TO GND

RL = 1kΩ

RL = 10kΩ

RL = 100kΩ

60

-40

100

10k

100k

1M

1k

10M

MAX4249, MAX4255/MAX4256/MAX4257

GAIN AND PHASE vs. FREQUENCY

-20

-10

0

-30

MAX4249 TOC16

FREQUENCY (Hz)

10

20

30

40

50

180

-180

-108

-72

-36

-144

0

36

72

108

144

VDD = 3V, 5V

RL = 50kΩ

CL = 20pF

AV = 1000

GAIN

PHASE

0

-100

-110

1

1k

10k

100k

1M

10

100

10M

MAX4250–MAX4254

POWER-SUPPLY REJECTION RATIO

vs. FREQUENCY

-80

-70

-60

-90

MAX4249 TOC17

FREQUENCY (Hz)

-50

-40

-30

-20

-10

PSRR+

VDD = 3V, 5V

PSRR-

Typical Operating Characteristics (continued)

(VDD = +5V, VSS = 0V, VCM = VOUT = VDD/2, input noise floor of test equipment = 10nV/√Hz for all distortion measurements,

TA = +25°C, unless otherwise noted.)

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