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MAX191 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 12-Bit Sampling ADC - Maxim

भाग संख्या MAX191
समारोह 12-Bit Sampling ADC
मैन्युफैक्चरर्स Maxim 
लोगो Maxim लोगो 
पूर्व दर्शन
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<?=MAX191?> डेटा पत्रक पीडीएफ

MAX191 pdf
Low-Power, 12-Bit Sampling ADC
with Internal Reference and Power-Down
ABSOLUTE MAXIMUM RATINGS
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 (VDD + 0.3V)
BUSY, D0–D7 to DGND..............................-0.3V to (VDD + 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
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 ±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)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DC ACCURACY (Note 2)
Resolution
12 Bits
Integral Nonlinearity
MAX191A
INL
MAX191B
±1/2
±1
LSB
Differential Nonlinearity
DNL
No missing codes over temperature
±1 LSB
Offset Error
MAX191A
MAX191B
±1
LSB
±2
Gain Error (Note 3)
MAX191A
MAX191B
±2
LSB
±3
Gain-Error Tempco (Note 4)
Excludes internal-reference drift
±0.2
ppm/°C
DYNAMIC ACCURACY (sample rate = 100kHz, VIN = 4Vp-p)
Signal-to-Noise plus Distortion
Ratio
SINAD 1kHz input signal, TA = +25°C
70
dB
Total Harmonic Distortion
(up to the 5th Harmonic)
THD
1kHz input signal, TA = +25°C
-80 dB
Spurious-Free Dynamic Range
CONVERSION RATE
SFDR 1kHz input signal, TA = +25°C
80
dB
Conversion Time (Note 5)
Track/Hold Acquisition Time
tCONV
Synchronous CLK (12 to 13 CLKs)
Internal CLK, CL = 120pF
7.50 8.125
µs
6 12 18
2 µs
Aperture Delay
25 ns
Aperture Jitter
50 ps
External Clock Frequency
Range (Note 6)
fCLK
0.1 1.6 MHz
2 _______________________________________________________________________________________
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