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| MAX1393_09 Datasheet, PDF (2/18 Pages) Maxim Integrated Products – 1.5V to 3.6V, 312.5ksps, 1-Channel True-Differential/2-Channel Single-Ended, 12-Bit, SAR ADCs | |||
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1.5V to 3.6V, 312.5ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 12-Bit, SAR ADCs
ABSOLUTE MAXIMUM RATINGS
VDD to GND ..............................................................-0.3V to +4V
SCLK, CS, OE, CH1/CH2, UNI/BIP,
DOUT to GND.........................................-0.3V to (VDD + 0.3V)
AIN+, AIN-, AIN1, AIN2, REF to GND ........-0.3V to (VDD + 0.3V)
Maximum Current into Any Pin .........................................±50mA
Continuous Power Dissipation (TA = +70°C)
10-Pin TDFN (derate 18.5mW/°C above +70°C) ....1481.5mW
Operating Temperature Ranges
MAX139_E_ _...................................................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°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
(VDD = +1.5V to +3.6V, VREF = VDD, CREF = 0.1μF, fSCLK = 5MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.)
PARAMETER
DC ACCURACY (Note 1)
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Gain Error
Total Unadjusted Error
Offset-Error Temperature
Coefficient
SYMBOL
CONDITIONS
INL
DNL
No missing code overtemperature
Offset nulled
TUE
MIN TYP MAX UNITS
12
Bits
±1
LSB
±1
LSB
0.5
±2
LSB
0.5
±2
LSB
±2
LSB
±0.004
LSB/°C
Gain-Error Temperature
Coefficient
±0.001
LSB/°C
Channel-to-Channel Offset
Matching
MAX1396 only
±0.1
LSB
Channel-to-Channel Gain
Matching
Input Common-Mode Rejection
CMR
DYNAMIC SPECIFICATIONS (Note 2)
Signal-to-Noise Plus Distortion
SINAD
Signal-to-Noise Ratio
Total Harmonic Distortion
Spurious-Free Dynamic Range
Intermodulation Distortion
Channel-to-Channel Crosstalk
SNR
THD
SFDR
IMD
MAX1396 only
VCM = 0 to VDD, MAX1393 only
VREF = VDD = 1.6
VREF = VDD = 1.8â2.5
VREF = VDD = 2.5â3.6
VREF = VDD = 1.6
VREF = VDD = 1.8â2.5
VREF = VDD = 2.5â3.6
fIN1 = 73kHz at -6.5dBFS,
fIN2 = 77kHz at -6.5dBFS
MAX1396 only
±0.1
±0.1
LSB
mV/V
70
69
dB
70
70.5
70
71
dB
71
-83
-75
dBc
-85
-76
dBc
-78
dB
-70
dB
2 _______________________________________________________________________________________
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