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MAX11646/MAX11647
Low-Power, 1-/2-Channel, I2C, 10-Bit ADCs
in Ultra-Tiny 1.9mm x 2.2mm Package
2
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ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = 2.7V to 3.6V (MAX11647), VDD = 4.5V to 5.5V (MAX11646), VREF = 2.048V (MAX11647), VREF = 4.096V (MAX11646),
fSCL = 1.7MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C. See Tables 1–5 for programming
notation.) (Note 1)
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 GND ..............................................................-0.3V to +6V
AIN0, AIN1,
REF to GND ............-0.3V to the lower of (VDD + 0.3V) and 6V
SDA, SCL to GND.....................................................-0.3V to +6V
Maximum Current Into Any Pin .........................................±50mA
Continuous Power Dissipation (TA = +70°C)
8-Pin MAX (derate 4.5mW/°C above +70°C) .............362mW
12-Pin WLP (derate 16.1mW/°C above +70°C) .........1288mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s)
MAX only ....................................................................+300°C
Soldering Temperature (reflow) .......................................+260°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY (Note 2)
Resolution
10
Bits
Relative Accuracy
INL
(Note 3)
±1
LSB
Differential Nonlinearity
DNL
No missing codes over temperature
±1
LSB
Offset Error
±1
LSB
Offset-Error Temperature
Coefficient
Relative to FSR
0.3
ppm/
°C
Gain Error
(Note 4)
±1
LSB
Gain-Temperature Coefficient
Relative to FSR
0.3
ppm/
°C
Channel-to-Channel Offset
Matching
±0.1
LSB
Channel-to-Channel Gain
Matching
±0.1
LSB
DYNAMIC PERFORMANCE (fIN(SINE-WAVE) = 10kHz, VIN(P-P) = VREF, fSAMPLE = 94.4ksps)
Signal-to-Noise and Distortion
SINAD
60
dB
Total Harmonic Distortion
THD
Up to the fifth harmonic
-70
dB
Spurious-Free Dynamic Range
SFDR
70
dB
Full-Power Bandwidth
SINAD > 57dB
3.0
MHz
Full-Linear Bandwidth
-3dB point
5.0
MHz
CONVERSION RATE
Internal clock
6.8
Conversion Time (Note 5)
tCONV
External clock
10.6
μs
Internal clock, SCAN[1:0] = 01
53
Throughput Rate
fSAMPLE
External clock
94.4
ksps
Track/Hold Acquisition Time
800
ns
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