MAX186ACAP 데이터 시트보기 (PDF) - Maxim Integrated
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MAX186ACAP Datasheet PDF : 24 Pages
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Low-Power, 8-Channel,
Serial 12-Bit ADCs
ABSOLUTE MAXIMUM RATINGS
VDD to AGND............................................................-0.3V to +6V
VSS to AGND ............................................................+0.3V to -6V
VDD to VSS ..............................................................-0.3V to +12V
AGND to DGND.....................................................-0.3V to +0.3V
CH0–CH7 to AGND, DGND .............(VSS - 0.3V) to (VDD + 0.3V)
CH0–CH7 Total Input Current ..........................................±20mA
VREF to AGND ...........................................-0.3V to (VDD + 0.3V)
REFADJ to AGND.......................................-0.3V to (VDD + 0.3V)
Digital Inputs to DGND...............................-0.3V to (VDD + 0.3V)
Digital Outputs to DGND ............................-0.3V to (VDD + 0.3V)
Digital Output Sink Current .................................................25mA
Continuous Power Dissipation (TA = +70°C)
Plastic DIP (derate 11.11mW/°C above +70°C) ...........889mW
SO (derate 10.00mW/°C above +70°C) ........................800mW
SSOP (derate 8.00mW/°C above +70°C) .....................640mW
CERDIP (derate 11.11mW/°C above +70°C) ................889mW
Operating Temperature Ranges:
MAX186_C/MAX188_C ........................................0°C to +70°C
MAX186_E/MAX188_E......................................-40°C to +85°C
MAX186_M/MAX188_M ..................................-55°C to +125°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°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.
ELECTRICAL CHARACTERISTICS
(VDD = 5V ±5%; VSS = 0V or -5V; fCLK = 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps); MAX186—
4.7µF capacitor at VREF pin; MAX188—external reference, VREF = 4.096V applied to VREF pin; TA = TMIN to TMAX, unless otherwise
noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
DC ACCURACY (Note 1)
Resolution
12
MAX186A/MAX188A
±0.5
MAX186B/MAX188B
±0.5
Relative Accuracy (Note 2)
MAX186C
±1.0
MAX188C
±0.75
MAX186D/MAX188D
±1.0
Differential Nonlinearity
DNL No missing codes over temperature
±1
MAX186A/MAX188A
±2.0
Offset Error
MAX186B/MAX188B
MAX186C/MAX188C
±3.0
±3.0
MAX186D/MAX188D
±3.0
MAX186 (all grades)
±3.0
MAX188A
±1.5
Gain Error (Note 3)
External reference
4.096V (MAX188)
MAX188B
MAX188C
±2.0
±2.0
MAX188D
±3.0
Gain Temperature Coefficient
External reference, 4.096V
±0.8
Channel-to-Channel
Offset Matching
±0.1
DYNAMIC SPECIFICATIONS (10kHz sine wave input, 4.096VP-P, 133ksps, 2.0MHz external clock, bipolar input mode)
Signal-to-Noise + Distortion Ratio SINAD
70
Total Harmonic Distortion
(up to the 5th harmonic)
THD
-80
Spurious-Free Dynamic Range SFDR
80
Channel-to-Channel Crosstalk
65kHz, VIN = 4.096VP-P (Note 4)
-85
UNITS
Bits
LSB
LSB
LSB
LSB
ppm/°C
LSB
dB
dB
dB
dB
2 _______________________________________________________________________________________
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