MAX197ACAI datasheet(2/16 Pages) MAXIM

2 / 16 page

Multi-Range (±10V, ±5V, +10V, +5V),

Single +5V, 12-Bit DAS with 8+4 Bus Interface

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VDD = 5V ±5%; unipolar/bipolar range; external reference mode, VREF = 4.096V; 4.7µF at REF pin; external clock, fCLK = 2.0MHz

with 50% duty cycle; TA = TMIN to TMAX, unless otherwise noted.)

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 +7V

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

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

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

Digital Inputs to DGND...............................-0.3V to (VDD + 0.3V)

Digital Outputs to DGND ............................-0.3V to (VDD + 0.3V)

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

Continuous Power Dissipation (TA = +70°C)

Narrow Plastic DIP (derate 14.29mW/°C above +70°C)....1143mW

Wide SO (derate 12.50mW/°C above +70°C)..............1000mW

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

Narrow Ceramic SB (derate 20.00mW/°C above +70°C)..1600mW

Operating Temperature Ranges

MAX197_C_ _ .......................................................0°C to +70°C

MAX197_E_ _.....................................................-40°C to +85°C

MAX197_M_ _ ..................................................-55°C to +125°C

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

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

MAX197A

Internal CLK mode/internal acquisition

control (Note 4)

External CLK mode/external acquisition

control

External CLK mode/external acquisition control

50kHz, VIN = ±5V (Note 3)

Bipolar

Unipolar

Up to the 5th harmonic

Bipolar

MAX197B

Unipolar

CONDITIONS

<50

Aperture Jitter

Aperture Delay

-86

Channel-to-Channel Crosstalk

SFDR

Spurious-Free Dynamic Range

-85

-78

THD

Total Harmonic Distortion

LSB

±1/2

INL

Integral Nonlinearity

Bits

Resolution

±0.5

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

MAX197A

MAX197B

MAX197A

MAX197B

Bipolar

Unipolar

Bipolar

Unipolar

ppm/°C

Gain Temperature Coefficient

(Note 2)

±10

MAX197A

±7

MAX197B

MAX197A

MAX197B

LSB

±7

Gain Error

(Note 2)

±10

SINAD

Signal-to-Noise + Distortion Ratio

ACCURACY (Note 1)

DYNAMIC SPECIFICATIONS (10kHz sine-wave input, ±10Vp-p, fSAMPLE = 100ksps)

MAX197A

MAX197B

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