MAX4038EUA 查看數據表（PDF） - Maxim Integrated

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MAX4038EUA

Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps with +1.2V Buffered Reference

Maxim Integrated 

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

with +1.2V Buffered Reference

Typical Operating Characteristics (continued)

(VDD = 3V, VSS = VCM = 0V, RL to VDD/2, TA = +25°C, unless otherwise noted.)

GAIN AND PHASE

vs. FREQUENCY

80

180 MAX4036 toc25

70 GAIN

60

135

50

90

40

30

45

20

10 PHASE

0

0

-10

-45

-20

-30

AV = 1000V/V

VIN_ = 1mVP-P

-90

-40

-135

1

10 100

1k 10k 100k

FREQUENCY (Hz)

LARGE-SIGNAL GAIN

vs. FREQUENCY

2

-2

-6

-10

-14

RL = 1MΩ

-18

RL = 5kΩ

-22

AV = 1

-26

VOUT_ = 1VP-P

CL = 12pF

-30

100

1k

RL = 100kΩ

10k

100k

FREQUENCY (Hz)

REFERENCE VOLTAGE

REFERENCE VOLTAGE CHANGE

vs. TEMPERATURE

vs. TIME

1.236

1.234

MAX4037/MAX4039

1.234

1.233

1.232

1.230

1.228

MAX4037

1.232

MAX4039

1.231

REFERENCE VOLTAGE CHANGE

vs. LOAD CURRENT

1.02

TA = +85°C

1.01

TA = +25°C

TA = -40°C

1.00

0.99

1.226

-40 -15

10

35

60

85

TEMPERATURE (°C)

1.230

0

100 200 300 400 500 600

TIME (HR)

0.98

-100 0 100 200 300 400 500

LOAD CURRENT (μA)

1.0003

1.0002

1.0001

1.0000

REFERENCE VOLTAGE CHANGE

vs. SUPPLY VOLTAGE

REFERENCE LINE-TRANSIENT RESPONSE

3.6V

VDD

1.8V

0.9999

0.9998

0.9997

0.9996

TA = -40°C

TA = +25°C

TA = +85°C

0V

VREF

AC-COUPLED

50mV/div

0.9995

1.8 2.1 2.4 2.7 3.0 3.3 3.6

VDD (V)

1ms/div

8 _______________________________________________________________________________________

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