MAX1021BETX(2008) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX1021BETX
(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.)

ADC GAIN ERROR

vs. TEMPERATURE

1.0

ADC EXTERNAL REFERENCE

INPUT CURRENT vs. SAMPLING RATE

60

ANALOG SUPPLY CURRENT

vs. SAMPLING RATE

3.0

50

2.5

0.5

40

2.0

0

30

1.5

20

1.0

-0.5

10

0.5

-1.0

-40 -15

10

35

60

85

TEMPERATURE (°C)

ANALOG SUPPLY CURRENT

vs. ANALOG SUPPLY VOLTAGE

2.04

2.02

2.00

1.98

1.96

1.94

1.92

1.90

2.5 3.0 3.5 4.0 4.5 5.0 5.5

SUPPLY VOLTAGE (V)

DAC INTEGRAL NONLINEARITY

vs. OUTPUT CODE

0.3

0.2

0.1

0

0

0 50 100 150 200 250 300

SAMPLING RATE (ksps)

ANALOG SUPPLY CURRENT

vs. TEMPERATURE

2.02

2.00

AVDD = DVDD = 5V

1.98

1.96

1.94

1.92

AVDD = DVDD = 3V

1.90

1.88

-40 -15

10

35

60

85

TEMPERATURE (°C)

DAC DIFFERENTIAL NONLINEARITY

vs. OUTPUT CODE

0.10

AVDD = DVDD = 5V

EXTERNAL REFERENCE = 4.096V

0.05

0

0 50 100 150 200 250 300

SAMPLING RATE (ksps)

DAC INTEGRAL NONLINEARITY

vs. OUTPUT CODE

0.3

AVDD = DVDD = 5V

0.2 EXTERNAL REFERENCE = 4.096V

0.1

0

-0.1

-0.2

-0.3

0

256

512

768

1024

OUTPUT CODE

DAC DIFFERENTIAL NONLINEARITY

vs. OUTPUT CODE

0.10

0.05

0

0

-0.1

-0.2

-0.3

0

-0.05

-0.05

-0.10

-0.10

256

512

768

1024

1023 1026 1029 1032 1035 1038

1023 1026 1029 1032 1035 1038

OUTPUT CODE

OUTPUT CODE

OUTPUT CODE

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