MAX1258BETM datasheet(11/47 Pages) MAXIM

Part #	MAX1258BETM

Description	12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports

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Manufacturer	MAXIM [Maxim Integrated Products]

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11 / 47 page

12-Bit, Multichannel ADCs/DACs with FIFO,

Temperature Sensing, and GPIO Ports

______________________________________________________________________________________

11

Typical Operating Characteristics (continued)

(AVDD = DVDD = 3V (MAX1257), external VREF = 2.5V (MAX1257), AVDD = DVDD = 5V (MAX1220/MAX1258), external VREF =

4.096V (MAX1220/MAX1258), fCLK = 3.6MHz (50% duty cycle), fSAMPLE = 225ksps, CLOAD = 50pF, 0.1µF capacitor at REF, TA =

+25°C, unless otherwise noted.)

DAC INTEGRAL NONLINEARITY

vs. OUTPUT CODE

OUTPUT CODE

3072

2048

1024

-1.0

-0.5

0

0.5

1.0

1.5

-1.5

04096

MAX1220/MAX1258

DAC INTEGRAL NONLINEARITY

vs. OUTPUT CODE

OUTPUT CODE

3072

2048

1024

-1.0

-0.5

0

0.5

1.0

1.5

-1.5

04096

MAX1257

DAC DIFFERENTIAL NONLINEARITY

vs. OUTPUT CODE

OUTPUT CODE

2059

2056

2053

2050

-0.2

0

0.2

0.4

-0.4

2047

2062

MAX1220/MAX1258

DAC DIFFERENTIAL NONLINEARITY

vs. OUTPUT CODE

OUTPUT CODE

2059

2056

2053

2050

-0.2

0

0.2

0.4

-0.4

2047

2062

MAX1257

0.2

0.4

0.8

0.6

1.0

1.2

DAC FULL-SCALE ERROR

vs. ANALOG SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

4.750

5.000

4.875

5.125

5.250

MAX1220/MAX1258

EXTERNAL REFERENCE = 4.096V

0.2

0.4

0.8

0.6

1.0

1.2

DAC FULL-SCALE ERROR

vs. ANALOG SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

2.7

3.3

3.0

3.6

MAX1257

EXTERNAL REFERENCE = 2.5V

-6

-4

-2

0

2

4

6

8

10

-40

-15

10

35

60

85

DAC FULL-SCALE ERROR

vs. TEMPERATURE

TEMPERATURE (

°C)

MAX1220/MAX1258

EXTERNAL

REFERENCE = 4.096V

INTERNAL

REFERENCE

-6

-4

-2

0

2

4

6

8

10

-40

-15

10

35

60

85

DAC FULL-SCALE ERROR

vs. TEMPERATURE

TEMPERATURE (

°C)

MAX1257

EXTERNAL

REFERENCE = 2.5V

INTERNAL

REFERENCE

DAC FULL-SCALE ERROR

vs. REFERENCE VOLTAGE

REFERENCE VOLTAGE (V)

4

3

1

2

-0.75

-0.50

-0.25

0

0.25

0.50

0.75

1.00

-1.00

05

MAX1220/MAX1258

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MAX1258BETM Datasheet(PDF) 11 Page - Maxim Integrated Products

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