MAX110 datasheet(5/24 Pages) MAXIM

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

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ELECTRICAL CHARACTERISTICS—MAX111 (continued)

(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.)

4.75

5.25

VDD

Positive Supply Voltage

0.4

VOL

0.8

VIL

204.80

Output Low Voltage

µA

Input Low Voltage

640

1200

tCONV

Synchronous Conversion

Time (Note 7)

102,400 clock-cycles/conversion

XCLK, ISINK = 200µA

Reference Input

Capacitance

MHz

0.25

1.25

fOSC

Oversampling Clock

Frequency

(Note 8)

2.4

VIH

Input High Voltage

(Note 3)

1.5

VREF

960

IDD

Supply Current

VDD = 5.25V

Differential Reference

Input Voltage Range

Performance guaranteed by supply rejection test

500

IREF+,

IREF-

Reference Input Current

VREF+ = 1.5V, VREF- = 0V

0.4

0VDD - 3.2

VREF+,

VREF-

VDD - 0.5

VOH

Output High Voltage

Input Capacitance

Absolute Reference Input

Voltage Range

VDD - 0.5

fXCLK = 500kHz,

continuous-conversion mode

µA

±1

XCLK, VDD = 4.75V, ISOURCE = 200µA

20.48

410

IDD

ILKG

Input Leakage Current

XCLK unloaded,

continuous-conversion mode, RC

oscillator operational (Note 9)

(Note 3)

µA

±1

ILKG

Leakage Current

Output Capacitance

µA

Digital inputs at 0V or 5V

Power-Down Current

DOUT, BUSY, VDD = 4.75V, ISOURCE = 1.0mA

VDD = 5.25V, VXCLK = 0V, PD = 1

VOUT = 5V or 0V

(Note 3)

10,240 clock-cycles/conversion

DOUT, BUSY, ISINK = 1.6mA

CONDITIONS

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

CONVERSION TIME

DIGITAL OUTPUTS (DOUT, BUSY, and XCLK when RCSEL = VDD)

POWER REQUIREMENTS (all digital inputs at 0V or 5V)

REFERENCE INPUTS

DIGITAL INPUTS (CS, SCLK, DIN, and XCLK when RCSEL = 0V)

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