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MAX149BCAP Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX149BCAP Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 24 page +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS VDD = +2.7V to +5.25V; COM = 0V; fSCLK = 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps); MAX149—4.7µF capacitor at VREF pin; MAX148—external reference, VREF = 2.500 V applied to VREF pin; TA = TMIN to TMAX; unless otherwise noted.) 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, DGND................................................. -0.3V to 6V AGND to DGND ...................................................... -0.3V to 0.3V CH0–CH7, COM to AGND, DGND ............ -0.3V to (VDD + 0.3V) VREF, REFADJ to AGND ........................... -0.3V to (VDD + 0.3V) Digital Inputs to DGND .............................................. -0.3V to 6V 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 SSOP (derate 8.00mW/°C above +70°C) ................... 640mW CERDIP (derate 11.11mW/°C above +70°C) .............. 889mW Operating Temperature Ranges MAX148_C_P/MAX149_C_P .............................. 0°C to +70°C MAX148_E_P/MAX149_E_P............................ -40°C to +85°C MAX148_MJP/MAX149_MJP ........................ -55°C to +125°C Storage Temperature Range ............................ -60°C to +150°C Lead Temperature (soldering, 10sec) ............................ +300°C µs 1.5 tACQ Differential Nonlinearity Track/Hold Acquisition Time ns 30 Aperture Delay 6 µs 35 65 tCONV Conversion Time (Note 5) 5.5 7.5 ps MHz 1.0 Full-Power Bandwidth MHz 2.25 Small-Signal Bandwidth dB -75 Channel-to-Channel Crosstalk dB 70 SFDR Spurious-Free Dynamic Range dB -70 THD Total Harmonic Distortion dB 66 SINAD Signal-to-Noise + Distortion Ratio LSB ±0.05 Channel-to-Channel Offset Matching ppm/°C ±0.25 Gain Temperature Coefficient ±0.5 <50 Bits 10 Resolution Gain Error (Note 3) ±1 Aperture Jitter Offset Error LSB ±1.0 INL Relative Accuracy (Note 2) LSB ±1 DNL ±0.15 ±1 LSB ±0.15 ±2 UNITS MIN TYP MAX SYMBOL PARAMETER External clock = 2MHz, 12 clocks/conversion Internal clock, SHDN = VDD Internal clock, SHDN = FLOAT MAX14_A -3dB rolloff 65kHz, 2.500Vp-p (Note 4) Up to the 5th harmonic MAX14_A MAX14_B No missing codes over temperature MAX14_A MAX14_B CONDITIONS LSB ±2 MAX14_B DC ACCURACY (Note 1) DYNAMIC SPECIFICATIONS (10kHz sine-wave input, 0V to 2.500Vp-p, 133ksps, 2.0MHz external clock, bipolar input mode) CONVERSION RATE |
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