MAX11312GTJ datasheet(4/54 Pages) MAXIM

Part #	MAX11312GTJ

Description	PIXI, 12-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO

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Manufacturer	MAXIM [Maxim Integrated Products]

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

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ADC Electrical Specifications

(VAVDD = 4.75V to 5.25V, VDVDD = 3.3V, VAVDDIO = +12.0V, VAGND = VDGND = 0V, VAVSSIO = -2.0V, VDACREF = 2.5V,

VADCREF = 2.5V (Internal), fS = 400ksps, 10V analog input range set to range 1 (0 to +10V). TA = -40°C to +105°C, unless otherwise

noted. Typical values are at TA = +25°C.) (Note 2)

MAX11312

PIXI, 12-Port Programmable Mixed-Signal I/O with

12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO

www.maximintegrated.com

Maxim Integrated │ 4

Electrical Characteristics (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DYNAMIC PERFORMANCE (SINGLE-ENDED INPUTS)

Signal-to-Noise Plus Distortion

SINAD

fS = 400ksps, fIN = 10kHz

70

dB

Signal to Noise

SNR

fS = 400ksps, fIN = 10kHz

71

dB

Total Harmonic Distortion

THD

fS = 400ksps, fIN = 10kHz

-75

dB

Spurious-Free Dynamic Range

SFDR

fS = 400ksps, fIN = 10kHz

75

dB

Crosstalk

-85

dB

DYNAMIC PERFORMANCE (DIFFERENTIAL INPUTS)

Signal-to-Noise Plus Distortion

SINAD

fS = 400ksps, fIN = 10kHz

71

dB

Signal to Noise

SNR

fS = 400ksps, fIN = 10kHz

72

dB

Total Harmonic Distortion

THD

fS = 400ksps, fIN = 10kHz

-82

dB

Spurious-Free Dynamic Range

SFDR

fS = 400ksps, fIN = 10kHz

82

dB

Crosstalk

-85

dB

CONVERSION RATE

Throughput (Note 4)

ADCCONV[1:0] = 00

200

ksps

ADCCONV[1:0] = 01

250

ADCCONV[1:0] = 10

333

ADCCONV[1:0] = 11

400

Acquisition Time

tACQ

ADCCONV[1:0] = 00

3.5

μs

ADCCONV[1:0] = 01

2.5

ADCCONV[1:0] = 10

1.5

ADCCONV[1:0] = 11

1.0

ANALOG INPUT (All Ports)

Absolute Input Voltage (Note 5)

VPORT

Range 1

0

10

V

Range 2

-5

+5

Range 3

-10

0

Range 4

0

2.5

Input Resistance

Range 1, 2, 3

70

100

130

kΩ

Range 4

50

75

100

kΩ

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