MAX110 datasheet(3/24 Pages) MAXIM

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

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ELECTRICAL CHARACTERISTICS—MAX110 (continued)

(VDD = 5V ±5%, VSS = -5V ±5%, fXCLK = 1MHz,

÷ 2 mode (DV2 = 1), 81,920 CLK cycles/conv, VREF+ = 1.5V, VREF- = -1.5V,

TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

4.75

5.25

VDD

Positive Supply Voltage

0.8

VIL

-4.75

-5.25

VSS

Negative Supply Voltage

µA

Input Low Voltage

550

950

780

IDD

Positive Supply Current

VDD = 5.25V,

VSS = -5.25V

320

650

Performance guaranteed by supply rejection test

0.4

VDD - 0.5

VOH

Output High Voltage

Input Capacitance

fXCLK = 500kHz,

continuous-conversion mode

µA

ISS

Negative Supply Current

VDD = 5.25V,

VSS = -5.25V

±1

20.48

410

IDD

ILKG

Input Leakage Current

XCLK unloaded,

continuous-conversion mode, RC

oscillator operational (Note 9)

fXCLK = 500kHz,

continuous-conversion mode

(Note 3)

µA

±10

ILKG

Leakage Current

Output Capacitance

µA

0.05

Digital inputs at 0V or 5V

Power-Down Current

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

VDD = 5.25V, VSS = -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

204.80

tCONV

Synchronous Conversion

Time (Note 7)

102,400 clock-cycles/conversion

MHz

0.25

1.25

fOSC

Oversampling Clock

Frequency

(Note 8)

2.4

VIH

Input High Voltage

ISS

3.0

VREF

Differential Reference

Input Voltage Range

Reference Input

Capacitance

(Note 3)

0.4

VOL

Output Low Voltage

XCLK, ISINK = 200µA

VDD - 0.5

XCLK, VDD = 4.75V, ISOURCE = 200µA

500

IREF+,

IREF-

Reference Input Current

VREF+ = 2.5V, VREF- = 0V

VSS +VDD -

2.25

VREF+,

VREF-

Absolute Reference Input

Voltage Range

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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