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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MAX1270ACAI датащи(PDF) 2 Page - Maxim Integrated Products |
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MAX1270ACAI датащи(HTML) 2 Page - Maxim Integrated Products |
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2 / 20 page  Multirange, +5V, 8-Channel, Serial 12-Bit ADCs 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VDD = +5.0V ±5%; unipolar/bipolar range; external reference mode, VREF = +4.096V; 4.7µF at REF; external clock; fCLK = 2.0MHz, 50% duty cycle (MAX127_B); fCLK = 1.8MHz, 50% duty cycle (MAX127_A); 18 clock/conversion cycle, TA = TMIN to TMAX, unless otherwise noted. Typical values are TA = +25°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. VDD to AGND............................................................-0.3V to +6V AGND to DGND.....................................................-0.3V to +0.3V CH0–CH7 to AGND ......................................................... ±16.5V REF, REFADJ to AGND ..............................-0.3V to (VDD + 0.3V) SSTRB, DOUT to DGND.............................-0.3V to (VDD + 0.3V) SHDN, CS, DIN, SCLK to DGND..............................-0.3V to +6V Max Current into Any Pin ....................................................50mA Continuous Power Dissipation (TA = +70°C) 24-Pin Narrow DIP (derate 13.33mW/°C above +70°C)..1067mW 28-Pin SSOP (derate 9.52mW/°C above +70°C) ..........762mW Operating Temperature Ranges MAX127_C_ _......................................................0°C to +70°C MAX127_E_ _......................................................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS ACCURACY (Note 1) Resolution 12 Bits MAX127_A ±0.5 Integral Nonlinearity INL MAX127_B ±1.0 LSB Differential Nonlinearity DNL No missing codes over temperature ±1 LSB MAX127_A ±3 Unipolar MAX127_B ±5 MAX127_A ±5 Offset Error Bipolar MAX127_B ±10 LSB Unipolar ±0.1 Channel-to-Channel Offset Error Matching Bipolar ±0.3 LSB MAX127_A ±7 Unipolar MAX127_B ±10 MAX127_A ±7 Gain Error (Note 2) Bipolar MAX127_B ±10 LSB Unipolar, external reference ±3 Gain Error Temperature Coefficient (Note 2) Bipolar, external reference ±5 ppm/°C DYNAMIC SPECIFICATIONS (10kHz sine-wave input, ±10VP-P (MAX1270), or ±4.096VP-P (MAX1271), fSAMPLE = 110ksps (MAX127_B), fSAMPLE = 100ksps (MAX127_A)) Signal-to-Noise + Distortion Ratio SINAD 70 dB Total Harmonic Distortion THD Up to the 5th harmonic -87 -78 dB Spurious-Free Dynamic Range SFDR 80 dB 50kHz (Note 3) -86 Channel-to-Channel Crosstalk DC, VIN = ±16.5V -96 dB Aperture Delay External clock mode 15 ns External clock mode <50 ps Aperture Jitter Internal clock mode 10 ns |
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