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MAX1280 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX1280 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 9 page 400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS—MAX1280 (VDD1 = VDD2 = +4.5V to +5.5V, COM = GND, fSCLK = 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), external +2.5V at REF, REFADJ = VDD1, TA = TMIN to TMAX, unless otherwise noted. Typical values are at 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 GND ............................................................ -0.3V to +6V VDD1 to VDD2 ........................................................ -0.3V to +0.3V CH0–CH7, COM to GND.......................... -0.3V to (VDD1 + 0.3V) REF, REFADJ to GND .............................. -0.3V to (VDD1 + 0.3V) Digital Inputs to GND .............................................. -0.3V to +6V Digital Outputs to GND ............................ -0.3V to (VDD2 + 0.3V) Digital Output Sink Current .................................................25mA Continuous Power Dissipation (TA = +70°C) 20-Pin TSSOP (derate 7.0mW/°C above +70°C) .........559mW Operating Temperature Ranges MAX128_BCUP .................................................. 0°C to +70°C MAX128_BEUP ............................................... -40°C to +85°C Storage Temperature Range ............................ -60°C to +150°C Lead Temperature (soldering, 10s) ................................ +300°C SINAD > 68dB -3dB point fIN = 200kHz, VIN = 2.5Vp-p fIN1 = 99kHz, fIN2 = 102kHz No missing codes over temperature Up to the 5th harmonic CONDITIONS MHz 0.5 6.4 fSCLK Serial Clock Frequency ps <50 Aperture Jitter ns 10 Aperture Delay ns 468 tACQ Track/Hold Acquisition Time µs 2.5 tCONV Conversion Time (Note 5) kHz 350 Full-Linear Bandwidth MHz 6 Full-Power Bandwidth dB -78 Channel-to-Channel Crosstalk (Note 4) dB 76 IMD Intermodulation Distortion dB 80 SFDR Spurious-Free Dynamic Range dB -81 THD Total Harmonic Distortion Bits 12 Resolution dB 70 SINAD Signal-to-Noise plus Distortion Ratio LSB ±0.1 Channel-to-Channel Offset-Error Matching ppm/°C ±0.8 Gain-Error Temperature Coefficient ±1.0 LSB ±1.0 DNL Differential Nonlinearity LSB ±6.0 Offset Error LSB ±6.0 Gain Error (Note 3) UNITS MIN TYP MAX SYMBOL PARAMETER % 40 60 Duty Cycle DYNAMIC SPECIFICATIONS (100kHz sine-wave input, 2.5Vp-p, 400ksps, 6.4MHz clock, bipolar input mode) DC ACCURACY (Note 1) CONVERSION RATE LSB INL Relative Accuracy (Note 2) ELECTRICAL CHARACTERISTICS—MAX1280 (VDD1 = VDD2 = +4.5V to +5.5V, COM = GND, fSCLK = 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), external +2.5V at REF, REFADJ = VDD1, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) |
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