MAX127ACAI(2012) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX127ACAI
(Rev.:2012)

Multirange, +5V, 12-Bit DAS with 2-Wire Serial Interface

Maxim Integrated 

MAX127/MAX128

Multirange, +5V, 12-Bit DAS with

2-Wire Serial Interface

Typical Operating Characteristics

(VDD = +5V, external reference mode, VREF = 4.096V; 4.7μF at REF; external clock, fCLK = 400kHz; TA = +25°C, unless otherwise

noted.)

SUPPLY CURRENT vs. SUPPLY VOLTAGE

25

20

15

10

5

0

01234567

SUPPLY VOLTAGE (V)

FULL POWER-DOWN SUPPLY CURRENT

vs. TEMPERATURE

150

130

EXTERNAL

REFERENCE

110

90

INTERNAL

70

REFERENCE

50

-40 -15

10

35

60

85

TEMPERATURE (°C)

CHANNEL-TO-CHANNEL GAIN-ERROR

MATCHING vs. TEMPERATURE

0.8

0.7

0.6

UNIPOLAR MODE

0.5

0.4

0.3

BIPOLAR MODE

0.2

0.1

-40 -15

10

35

60

85

TEMPERATURE (°C)

SUPPLY CURRENT vs. TEMPERATURE

6.5

6.3

6.1

5.9

5.7

5.5

-40 -15

10

35

60

85

TEMPERATURE (°C)

NORMALIZED REFERENCE VOLTAGE

vs. TEMPERATURE

1.001

1.000

0.999

0.998

0.997

0.996

-40 -15

10

35

60

85

TEMPERATURE (°C)

INTEGRAL NONLINEARITY vs.

DIGITAL CODE

0.15

0.10

0.05

0

-0.05

-0.10

-0.15

0

819 1638 2457 3276 4095

DIGITAL CODE

STANDBY SUPPLY CURRENT

vs. TEMPERATURE

750

650

INTERNAL

550

REFERENCE

450

350

250

EXTERNAL

REFERENCE

150

50

-40 -15

10

35

60

85

TEMPERATURE (°C)

CHANNEL-TO-CHANNEL OFFSET-ERROR

MATCHING vs. TEMPERATURE

0.35

BIPOLAR MODE

0.30

0.25

0.20

0.15

0.10

UNIPOLAR MODE

0.05

0

-40 -15

10

35

60

85

TEMPERATURE (°C)

FFT PLOT

0

VDD = 5V

-20

fIN = 800Hz

fSAMPLE= 8kHz

-40

-60

-80

-100

-110

0

800 1600 2400 3200 4000

FREQUENCY (Hz)

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