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MAX191 Datasheet(PDF) 2 Page - Maxim Integrated Products

Part No. MAX191
Description  Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX191 Datasheet(HTML) 2 Page - Maxim Integrated Products

 
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Low-Power, 12-Bit Sampling ADC
with Internal Reference and Power-Down
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = 5V ±5%, VSS = 0V or -5V ±5%, fCLK = 1.6MHz, 50% duty cycle, AIN- = AGND, BIP = 0V, slow-memory mode, internal-reference
mode, reference compensation mode—external, synchronous operation, Figure 6, TA = TMIN to TMAX, unless otherwise noted.) (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 DGND............................................................-0.3V to +7V
VSS to AGND ............................................................-7V to +0.3V
VDD to VSS ..............................................................................12V
AGND, VREF, REFADJ to DGND................-0.3V to (VDD + 0.3V)
AIN+, AIN-, PD to VSS.................................-0.3V to (VDD + 0.3V)
CS, RD, CLK, BIP, HBEN, PAR, to DGND....-0.3V to (V
DD + 0.3V)
BUSY, D0–D7 to DGND..............................-0.3V to (V
DD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
Narrow Plastic DIP (derate 13.33mW/°C above +70°C)....1067mW
Wide SO (derate 11.76mW/°C above +70°C) ......................941mW
Narrow CERDIP (derate 12.50mW/°C above +70°C) ........1000mW
Operating Temperature Ranges
MAX191_C_ _ ................................................................0°C to +70°C
MAX191_E_ _ .............................................................-40°C to +85°C
MAX191_M_ _ ..........................................................-55°C to +125°C
Storage Temperature Range.....................................-65°C to +160°C
Lead Temperature (soldering, 10sec).....................................+300°C
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Offset Error
MAX191B
±2
LSB
MAX191A
±1
Differential Nonlinearity
No missing codes over temperature
±1
LSB
Integral Nonlinearity
MAX191B
±1
LSB
MAX191A
±2
Gain Error (Note 3)
MAX191B
±3
LSB
Resolution
12
Bits
MAX191A
±1/2
Gain-Error Tempco (Note 4)
Excludes internal-reference drift
±0.2
ppm/°C
1kHz input signal, TA = +25°C
70
dB
1kHz input signal, TA = +25°C
-80
dB
Spurious-Free Dynamic Range
1kHz input signal, TA = +25°C
80
dB
Synchronous CLK (12 to 13 CLKs)
Conversion Time (Note 5)
Internal CLK, CL = 120pF
6
12
18
µs
Track/Hold Acquisition Time
2
µs
Aperture Delay
25
ns
Aperture Jitter
50
ps
0.1
1.6
MHz
Signal-to-Noise plus Distortion
Ratio
Total Harmonic Distortion
(up to the 5th Harmonic)
External Clock Frequency
Range (Note 6)
SYMBOL
DNL
INL
SINAD
SFDR
THD
tCONV
fCLK
7.50
8.125
DC ACCURACY (Note 2)
DYNAMIC ACCURACY (sample rate = 100kHz, VIN = 4Vp-p)
CONVERSION RATE


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