MAX1415EWE datasheet(4/36 Pages) MAXIM

Part #	MAX1415EWE

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

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Manufacturer	MAXIM [Maxim Integrated Products]

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

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4 / 36 page

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

Sigma-Delta ADCs

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS—MAX1415 (continued)

(VDD = 3V, GND = 0, VREF+ = 1.225V, 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.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DOUT and

DRDY, ISOURCE = 100µA

VDD -

0.6V

Output-Voltage High

VOH

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

POWER REQUIREMENTS

Power-Supply Voltage

VDD

2.7

3.6

V

Unbuffered, fCLKIN = 1MHz, gain = 1 to 128

0.40

Buffered, fCLKIN = 1MHz, gain = 1 to 128

0.725

Gain = 1 to 4

0.55

Unbuffered,

fCLKIN = 2.4576MHz

Gain = 8 to 128

0.55

Gain = 1 to 4

0.825

Buffered,

fCLKIN = 2.4576MHz

Gain = 8 to 128

1.0

mA

Power-Supply Current (Note 12)

IDD

Power-down mode (Note 13)

8

µA

Power-Supply Rejection Ratio

PSRR

VDD = 2.7V to 3.6V

(Note 14)

dB

EXTERNAL-CLOCK TIMING SPECIFICATIONS

CLKIN Frequency

fCLKIN

(Note 15)

400

2500

kHz

Duty Cycle

40

60

%

INTERNAL-CLOCK TIMING SPECIFICATIONS

MAX1415AE__,

fCLK = 1MHz (CLK = 0)

or 2.4576MHz (CLK = 1)

TA = -40°C to

+85°C

±4

MAX1415C__,

fCLK = 1MHz (CLK = 0)

or 2.4576MHz (CLK = 1)

TA = 0°C to

+70°C

±4

TA = -40°C to 0°C

±7

Internal-Clock Frequency

fCLK

MAX1415E__,

fCLK = 1MHz (CLK = 0)

or 2.4576MHz (CLK = 1)

TA= 0°C to +85°C

±4

%

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