MAX110 datasheet(4/24 Pages) MAXIM

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Low-Cost, 2-Channel, ±14-Bit Serial ADCs

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ELECTRICAL CHARACTERISTICS—MAX111

(VDD = 5V ±5%, fXCLK = 1MHz, ÷ 2 mode (DV2 = 1), 81,920 CLK cycles/conv, VREF+ = 1.5V, VREF- = 0V, TA = TMIN to TMAX,

unless otherwise noted. Typical values are at TA = +25°C.)

LSB

500

CONDITIONS

IIN+, IIN-

Input Bias Current

(Note 3)

-0.667 x VREF ≤ VIN ≤ 0.667 x VREF

-VREF ≤ VIN ≤ VREF

-0.667 x VREF ≤ VIN ≤ 0.667 x VREF

Input Capacitance

-VREF ≤ VIN ≤ VREF

0VDD - 3.2

VIN+,

VIN-

Absolute Input Voltage

Range

-VREF

+VREF

VIN

Differential Input Voltage

Range

-VREF ≤ VIN ≤ VREF

ppm

VDD = 4.75V to 5.25V

Power-Supply Rejection

%FSR

INL

ppm/°C

Full-Scale Error

Temperature Drift

Relative Accuracy,

Differential Input

(Notes 3, 5–7)

(Notes 3, 4)

±0.25

±2

±0.2

±0.20

DNL

Differential Nonlinearity

(Note 6)

UNITS

MIN

TYP

MAX

SYMBOL

ppm/V

(Note 2)

PARAMETER

14 + POL

+ OFL

RES

Resolution

CMRR

±4

Offset Error

Common-Mode Rejection

Ratio

10mV

≤ (VIN+ = VIN-) ≤ 2.0V

Bits

No-Missing-Codes

Resolution

±0.10

(Note 3)

-8

±0.05

±0.10

Full-Scale Error

Uncalibrated

±0.03

±0.05

MAX111BM

13 + POL

+ OFL

Bits

±0.18

VIN+ = VIN- = 0V

MAX111BC/E

MAX111AC/E

After gain calibration (Note 5)

VIN ≤ 0.667 x VREF

≤ VIN ≤ VREF

VIN ≤ 0.667 x VREF

≤ VIN ≤ VREF

VIN ≤ 0.667 x VREF

%FSR

INL

Relative Accuracy,

Single-Ended Input

(IN- = GND)

±0.25

±0.15

±0.10

±0.1

±0.06

MAX111BM

±0.18

MAX111BC/E

MAX111AC/E

ACCURACY (Note 1)

ANALOG INPUTS

-0.667 x VREF ≤ VIN ≤ 0.667 x VREF

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