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| MAX110 Datasheet, PDF (4/24 Pages) Maxim Integrated Products – Low-Cost, 2-Channel, ±14-Bit Serial ADCs | |||
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Low-Cost, 2-Channel, ±14-Bit Serial ADCs
ELECTRICAL CHARACTERISTICSâMAX111
(VDD = 5V ±5%, fXCLK = 1MHz, ÷ 2 mode (DV2 = 1), 81,920 CLK cycles/conv, VREF+ = 1.5V, VREF- = 0V, TA = TMIN to TMAX,
unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
ACCURACY (Note 1)
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Resolution
Differential Nonlinearity
No-Missing-Codes
Resolution
Relative Accuracy,
Differential Input
(Notes 3, 5â7)
Relative Accuracy,
Single-Ended Input
(IN- = GND)
Offset Error
Common-Mode Rejection
Ratio
Full-Scale Error
Full-Scale Error
Temperature Drift
RES
DNL
(Note 2)
(Notes 3, 4)
(Note 3)
MAX111AC/E
INL MAX111BC/E
MAX111BM
MAX111AC/E
INL MAX111BC/E
MAX111BM
VIN+ = VIN- = 0V
14 + POL
+ OFL
13 + POL
+ OFL
-VREF ⤠VIN ⤠VREF
-0.667 x VREF ⤠VIN ⤠0.667 x VREF
-VREF ⤠VIN ⤠VREF
-0.667 x VREF ⤠VIN ⤠0.667 x VREF
-VREF ⤠VIN ⤠VREF
-0.667 x VREF ⤠VIN ⤠0.667 x VREF
0V ⤠VIN ⤠VREF
VIN ⤠0.667 x VREF
0V ⤠VIN ⤠VREF
VIN ⤠0.667 x VREF
0V ⤠VIN ⤠VREF
VIN ⤠0.667 x VREF
±0.05
±0.03
±0.1
±0.06
±0.18
±0.10
±0.25
±0.15
±2
±0.10
±0.05
±0.18
±0.10
±0.25
±0.20
±4
Bits
LSB
Bits
%FSR
%FSR
mV
CMRR 10mV ⤠(VIN+ = VIN-) ⤠2.0V
6
ppm/V
After gain calibration (Note 5)
Uncalibrated
±0.2
%
-8
0
8
ppm/°C
Power-Supply Rejection
VDD = 4.75V to 5.25V
15
ppm
ANALOG INPUTS
Differential Input Voltage
Range
Absolute Input Voltage
Range
Input Bias Current
Input Capacitance
VIN (Note 6)
VIN+,
VIN-
IIN+, IIN-
(Note 3)
-VREF
0
+VREF
V
VDD - 3.2 V
500
nA
10
pF
4 _______________________________________________________________________________________
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