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| MAX115-MAX116 Datasheet, PDF (2/14 Pages) Maxim Integrated Products – 2x4-Channel, Simultaneous-Sampling 12-Bit ADCs | |||
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2x4-Channel, Simultaneous-Sampling
12-Bit ADCs
ABSOLUTE MAXIMUM RATINGS
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
Stresses beyond those listed under âAbsolute Maximum Ratingsâ 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.
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.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DC ACCURACY (Note 1)
Resolution
N
All channels
12
Bits
Integral Nonlinearity (Note 2)
INL
0.6
±1
LSB
Differential Nonlinearity
DNL
0.6
±1
LSB
Bipolar Zero Error
MAX115
MAX116
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
±5
±15
±30
mV
±5
±10
±18
Bipolar Zero-Error Match
Between all channels
2
5
mV
Zero-Code Tempco
MAX115
MAX116
180
µV/°C
90
Gain Error
Gain Error Match
MAX115
MAX116
TA = +25°C
TA = TMIN to TMAX
TA = +25°C
TA = TMIN to TMAX
±5
±15
±25
mV
±5
±10
±18
2
5
mV
Gain Error Tempco
MAX115
MAX116
120
µV/°C
60
DYNAMIC PERFORMANCE (fCLK = 16MHz, fIN = 10.06kHz) (Notes 1, 3)
Signal-to-Noise Ratio
SNR (Note 4)
69
dB
Total Harmonic Distortion
THD (Notes 4, 5)
-80
dB
Spurious-Free Dynamic Range SFDR (Note 4)
80
dB
Channel-to-Channel Isolation
(Note 6)
80
dB
2 _______________________________________________________________________________________
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