MAX127ACAI datasheet(2/16 Pages) MAXIM

2 / 16 page

Multirange, +5V, 12-Bit DAS with

2-Wire Serial Interface

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ABSOLUTE MAXIMUM RATINGS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

VDD to AGND............................................................-0.3V to +6V

AGND to DGND.....................................................-0.3V to +0.3V

CH0–CH7 to AGND ......................................................... ±16.5V

REF to AGND..............................................-0.3V to (VDD + 0.3V)

REFADJ to AGND.......................................-0.3V to (VDD + 0.3V)

A0, A1, A2 to DGND...................................-0.3V to (VDD + 0.3V)

SHDN, SCL, SDA to DGND ......................................-0.3V to +6V

Max Current into Any Pin ....................................................50mA

Continuous Power Dissipation (TA = +70°C)

24-Pin Narrow DIP (derate 13.33mW/°C above +70°C)..1067mW

28-Pin SSOP (derate 9.52mW/°C above +70°C) ...............762mW

Operating Temperature Ranges

MAX127_ C_ _/MAX128_ C_ _ .............................0°C to +70°C

MAX127_ E_ _/MAX128_ E_ _ ..........................-40°C to +85°C

Storage Temperature Range ............................-65°C to +150°C

Lead Temperature (soldering, 10sec) ............................+300°C

MAX127A/MAX128A

4kHz, VIN = ±5V (Note 3)

Up to the 5th harmonic

Bipolar

MAX127B/MAX128B

Unipolar

CONDITIONS

Aperture Jitter

200

Aperture Delay

-86

Channel-to-Channel Crosstalk

SFDR

Spurious-Free Dynamic Range

-87

-80

THD

Total Harmonic Distortion

LSB

±1/2

INL

Integral Nonlinearity

Bits

Resolution

±0.3

LSB

±0.1

Channel-to-Channel Offset

Error Matching

±10

±5

±1

LSB

±1

DNL

Differential Nonlinearity

LSB

±3

Offset Error

±5

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

Bipolar

Unipolar

ppm/°C

Gain Tempco (Note 2)

±10

±7

LSB

±7

Gain Error (Note 2)

±10

SINAD

Signal-to-Noise plus Distortion

Ratio

Bipolar

Unipolar

Bipolar

MAX127B/MAX128B

Unipolar

MAX127B/MAX128B

MAX127A/MAX128A

ELECTRICAL CHARACTERISTICS

(VDD = +5V ±5%; unipolar/bipolar range; external reference mode, VREF = 4.096V; 4.7µF at REF; external clock, fCLK = 400kHz;

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

DYNAMIC SPECIFICATIONS (800Hz sine-wave input, ±10Vp-p (MAX127) or ±4.096Vp-p (MAX128), fSAMPLE = 8ksps)

DC, VIN = ±16.5V

-96

ACCURACY (Note 1)

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