MX7705 datasheet(4/34 Pages) MAXIM | 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADC

Part #	MX7705

Description	16-Bit, Low-Power, 2-Channel, Sigma-Delta ADC

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Manufacturer	MAXIM [Maxim Integrated Products]

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4 / 34 page

16-Bit, Low-Power, 2-Channel,

Sigma-Delta ADC

4

_______________________________________________________________________________________

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

CLKIN INPUT

VDD = 4.75V to 5.25V

3.5

CLKIN Input High Voltage

VCLKINH

VDD = 2.7V to 3.6V

2.5

V

VDD = 4.75V to 5.25V

0.8

CLKIN Input Low Voltage

VCLKINL

VDD = 2.7V to 3.6V

0.4

V

CLKIN Input Current

ICLKIN

±10

µA

DIGITAL OUTPUTS (DOUT,

DRDY, CLKOUT)

DOUT and DRDY,

ISINK = 800µA

0.4

VDD = 5V

CLKOUT,

ISINK = 10µA

0.4

DOUT and DRDY,

ISINK = 100µA

0.4

Output Voltage Low

VOL

VDD = 3V

CLKOUT,

ISINK = 10µA

0.4

V

DOUT and DRDY,

ISOURCE = 200µA

4.0

VDD = 5V

CLKOUT,

ISOURCE = 10µA

4.0

DOUT and DRDY,

ISOURCE = 100µA

VDD -

0.6V

Output Voltage High

VOH

VDD = 3V

CLKOUT,

ISOURCE = 10µA

VDD -

0.6V

V

Tri-State Leakage Current

IL

DOUT only

±10

µA

Tri-State Output Capacitance

COUT

DOUT only

9

pF

SYSTEM CALIBRATION

Full-Scale Calibration Range

GAIN = selected PGA gain (1 to 128)

(Note 10)

-1.05

×

VREF /

GAIN

1.05

×

VREF /

GAIN

V

Offset Calibration Range

GAIN = selected PGA gain (1 to 128)

(Note 10)

-1.05

×

VREF /

GAIN

1.05

×

VREF /

GAIN

V

Input Span

GAIN = selected PGA gain (1 to 128)

(Notes 10, 11)

0.8

×

VREF /

GAIN

2.1

×

VREF /

GAIN

V

ELECTRICAL CHARACTERISTICS (continued)

(VDD = 3V or 5V, GND = 0, VREF+ = 1.225V for VDD = 3V and VREF+ = 2.5V for VDD = 5V, VREF- = GND, external fCLKIN =

2.4576MHz, CLKDIV bit = 0, CREF+ to GND = 0.1µF, CREF- to GND = 0.1µF, TA = TMIN to TMAX, unless otherwise noted.)

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MX7705 Datasheet(PDF) 4 Page - Maxim Integrated Products

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