MAX1221 datasheet(13/44 Pages) MAXIM

Part #	MAX1221

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

PDF	44 Pages

Scroll/Zoom	100%

Manufacturer	MAXIM [Maxim Integrated Products]

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

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13 / 44 page

12-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.)

GPIO OUTPUT VOLTAGE

vs. SINK CURRENT

SINK CURRENT (mA)

300

600

900

1200

1500

060

GPIOA0, GPIOA1 OUTPUTS

GPIOC0, GPIOC1

OUTPUTS

TEMPERATURE SENSOR ERROR

vs. TEMPERATURE

TEMPERATURE (

°C)

-15

-0.75

-0.50

-0.25

0.25

0.50

0.75

1.00

-1.00

-40

DAC-TO-DAC CROSSTALK

(RLOAD = 10k

Ω, CLOAD = 100pF)

MAX1221 toc40

100

μs/div

VOUTA

1V/div

VOUTB

10mV/div

AC-COUPLED

DAC-TO-DAC CROSSTALK

(RLOAD = 10k

Ω, CLOAD = 100pF)

MAX1221 toc41

100

μs/div

VOUTA

2V/div

VOUTB

10mV/div

AC-COUPLED

AVDD = DVDD = 5V

EXTERNAL REFERENCE = 4.096V

DYNAMIC RESPONSE RISE TIME

(RLOAD = 10k

Ω, CLOAD = 100pF)

MAX1221 toc42

μs/div

VOUT

1V/div

DYNAMIC RESPONSE RISE TIME

(RLOAD = 10k

Ω, CLOAD = 100pF)

MAX1221 toc43

μs/div

VOUT

2V/div

AVDD = DVDD = 5V

EXTERNAL REFERENCE = 4.096V

MAX1221 Datasheet(PDF) 13 Page - Maxim Integrated Products

MAX1221 Datasheet(HTML) 13 Page - Maxim Integrated Products

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