MAX1280 datasheet(8/24 Pages) MAXIM

Part #	MAX1280

Description	400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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Typical Operating Characteristics

(MAX1280: VDD1 = VDD2 = 5.0V, fSCLK = 6.4MHz; MAX1281: VDD1 = VDD2 = 3.0V, fSCLK = 4.8MHz; CLOAD = 20pF, 4.7µF capacitor

at REF, 0.01µF capacitor at REFADJ, TA = +25°C, unless otherwise noted.)

400ksps/300ksps, Single-Supply, Low-Power, 8-Channel,

Serial 12-Bit ADCs with Internal Reference

8

_______________________________________________________________________________________

0

1500 2000

500 1000

2500 3000 3500 4000 4500

INTEGRAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

DIGITAL OUTPUT CODE

-0.1

-0.3

0.1

0.3

0.5

-0.2

0

0.2

0.4

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0

1000

500

1500 2000 2500 3000 3500 4000 4500

DIFFERENTIAL NONLINEARITY

vs. DIGITAL OUTPUT CODE

DIGITAL OUTPUT CODE

3.5

3.0

2.5

2.0

1.5

2.5

4.0

3.0

3.5

4.5

5.0

5.5

SUPPLY CURRENT vs. SUPPLY

VOLTAGE (CONVERTING)

SUPPLY VOLTAGE (V)

2.0

2.4

2.2

2.8

2.6

3.0

3.2

-40

20

40

-20

0

60

80

100

SUPPLY CURRENT vs. TEMPERATURE

TEMPERATURE (°C)

MAX1281

MAX1280

NORMAL OPERATION (PD1 = PD0 = 1)

REDP (PD1 = 1, PD0 = 0)

FASTDP (PD1 = 0, PD0 = 1)

0

0.5

1.5

1.0

2.0

2.5

3.5

3.0

4.0

4.5

5.0

5.5

SUPPLY CURRENT vs. SUPPLY

VOLTAGE (STATIC)

SUPPLY VOLTAGE (V)

0

0.5

1.5

1.0

2.0

2.5

-40

0

-20

20

40

60

80

100

SUPPLY CURRENT vs. TEMPERATURE

(STATIC)

TEMPERATURE (°C)

MAX1280 (PD1 = 1, PD0 = 1)

MAX1280 (PD1 = 1, PD0 = 0)

MAX1280 (PD1 = 0, PD0 = 1)

MAX1281 (PD1 = 1, PD0 = 1)

MAX1281 (PD1 = 1, PD0 = 0)

MAX1281 (PD1 = 0, PD0 = 1)

0

1

3

2

4

5

2.5

3.5

3.0

4.0

4.5

5.0

5.5

SHUTDOWN SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

(PD1 = PD0 = 0)

0

0.5

1.5

1.0

2.0

2.5

-40

0

-20

20

40

60

80

100

SHUTDOWN SUPPLY CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

MAX1281

MAX1280

(PD1 = PD0 = 0)

2.4995

2.4997

2.5001

2.4999

2.5003

2.5005

2.5

3.5

3.0

4.0

4.5

5.0

5.5

REFERENCE VOLTAGE

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

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