MAX115 datasheet(2/14 Pages) MAXIM

2 / 14 page

2x4-Channel, Simultaneous-Sampling

12-Bit ADCs

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(AVDD = +5V ±5%, AVSS = -5V ±5%, DVDD = +5V ±5%, VREFIN = +2.5V (external reference), AGND = DGND = 0, 4.7µF capacitor

from REFOUT to AGND, 0.1µF capacitor from REFIN to AGND, fCLK = 16MHz, external clock, 50% duty cycle. TA = TMIN to TMAX,

unless otherwise noted. Typical values are at TA = +25°C.)

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.

AVDD to AGND ...........................................................-0.3V to 6V

AVSS to AGND ............................................................0.3V to -6V

DVDD to DGND ...........................................................-0.3V to 6V

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

CH_ _ to AGND....................................................................±17V

REFIN, REFOUT to AGND ..........................................-0.3V to 6V

Digital Inputs/Outputs to DGND ..............-0.3V to (DVDD + 0.3V)

Continuous Power Dissipation (TA = +70°C)

36-Pin SSOP (derate 11.8mW/°C above +70°C) ..........941mW

Operating Temperature Ranges

MAX115_CAX/MAX116_CAX ...............................0°C to +70°C

MAX115_EAX/MAX116_EAX ............................-40°C to +85°C

Junction Temperature ......................................................+150°C

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

Lead Temperature (soldering, 10s)....................................300°C

CONDITIONS

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

All channels

Resolution

Bits

0.6

±1

INL

Integral Nonlinearity (Note 2)

LSB

MAX115

±5

±15

Bipolar Zero Error

±30

Bipolar Zero-Error Match

Between all channels

MAX115

180

µV/°C

Zero-Code Tempco

±5

±15

Gain Error

±25

MAX115

Gain Error Match

120

MAX115

Gain Error Tempco

µV/°C

SNR

Signal-to-Noise Ratio

-80

THD

(Notes 4, 5)

Total Harmonic Distortion

SFDR

(Note 4)

Spurious-Free Dynamic Range

(Note 6)

Channel-to-Channel Isolation

LSB

0.6

±1

DNL

Differential Nonlinearity

(Note 4)

MAX116

±5

±10

±18

TA = +25°C

TA = TMIN to TMAX

TA = +25°C

TA = TMIN to TMAX

MAX116

±5

±10

±18

MAX116

TA = +25°C

TA = TMIN to TMAX

TA = +25°C

TA = TMIN to TMAX

MAX116

DC ACCURACY (Note 1)

DYNAMIC PERFORMANCE (fCLK = 16MHz, fIN = 10.06kHz) (Notes 1, 3)

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