MAX1021(2008) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX1021
(Rev.:2008)

10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports

Maxim Integrated 

10-Bit, Multichannel ADCs/DACs with FIFO,

Temperature Sensing, and GPIO Ports

Typical Operating Characteristics (continued)

(AVDD = DVDD = 3V, external VREF = 2.5V, fCLK = 3.6MHz (50% duty cycle), fSAMPLE = 225ksps, CLOAD = 50pF, 0.1µF capacitor at

REF, TA = +25°C, unless otherwise noted.)

DAC FULL-SCALE ERROR

vs. ANALOG SUPPLY VOLTAGE

0.4

0.3

DAC FULL-SCALE ERROR

vs. TEMPERATURE

3

2

1

DAC FULL-SCALE ERROR

vs. TEMPERATURE

3

INTERNAL

2

REFERENCE

1

0.2

0.1

0

2.5 3.0 3.5 4.0 4.5 5.0 5.5

SUPPLY VOLTAGE (V)

DAC FULL-SCALE ERROR

vs. REFERENCE VOLTAGE

1.00

AVDD = DVDD = 5V

0.75

0.50

0.25

0

-0.25

-0.50

-0.75

-1.00

0

1

2

3

4

5

REFERENCE VOLTAGE (V)

DAC FULL-SCALE ERROR

vs. LOAD CURRENT

1

0

EXTERNAL

-1

REFERENCE = 4.096V

-2

AVDD = DVDD = 5V

-3

-40 -15 10

35

60

85

TEMPERATURE (°C)

DAC FULL-SCALE ERROR

vs. REFERENCE VOLTAGE

0

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

0

0.5 1.0 1.5 2.0 2.5 3.0

REFERENCE VOLTAGE (V)

INTERNAL REFERENCE VOLTAGE

vs. TEMPERATURE

2.52

0

EXTERNAL

-1

REFERENCE = 2.5V

-2

AVDD = DVDD = 3V

-3

-40 -15 10

35

60

85

TEMPERATURE (°C)

DAC FULL-SCALE ERROR

vs. LOAD CURRENT

1

0

-1

-2

-3

AVDD = DVDD = 5V

EXTERNAL REFERENCE = 4.096V

-4

0 5 10 15 20 25 30

LOAD CURRENT (mA)

ADC REFERENCE SUPPLY CURRENT

vs. ANALOG SUPPLY VOLTAGE

25.1

0

2.51

25.0

-1

2.50

24.9

-2

2.49

24.8

-3

-4

0 0.5 1.0 1.5 2.0 2.5 3.0

LOAD CURRENT (mA)

2.48

-40 -15

10

35

60

85

TEMPERATURE (°C)

24.7

2.5 3.0 3.5 4.0 4.5 5.0 5.5

SUPPLY VOLTAGE (V)

10 ______________________________________________________________________________________

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