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MAX1280BEUP Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1280BEUP Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 24 page Supply Current 400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference 4 _______________________________________________________________________________________ CONDITIONS mA 2.5 4.0 IVDD1 + IVDD2 Supply Current V 4.5 5.5 VDD1, VDD2 Positive Supply Voltage (Note 9) 1.3 2.0 0.9 1.5 µA 210 UNITS MIN TYP MAX SYMBOL PARAMETER VDD1 = VDD2 = 5.5V ELECTRICAL CHARACTERISTICS—MAX1281 (VDD1 = VDD2 = +2.7V to +3.6V, COM = GND, fSCLK = 4.8MHz, 50% duty cycle, 16 clocks/conversion cycle (300ksps), external +2.5V at REF, REFADJ = VDD1, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) SINAD > 68dB -3dB point fIN = 150kHz, VIN = 2.5Vp-p fIN1 = 73kHz, fIN2 = 77kHz No missing codes over temperature Up to the 5th harmonic CONDITIONS kHz 250 Full-Linear Bandwidth MHz 3 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 LSB ±1.0 INL Relative Accuracy (Note 2) Bits 12 Resolution dB 70 SINAD Signal-to-Noise plus Distortion Ratio LSB ±0.2 Channel-to-Channel Offset- Error Matching ppm/°C ±1.6 Gain-Error Temperature Coefficient LSB ±1.0 DNL Differential Nonlinearity LSB ±6.0 Offset Error LSB ±6.0 Gain Error (Note 3) UNITS MIN TYP MAX SYMBOL PARAMETER Operating mode (Note 10) Reduced-power mode (Note 11) Fast power-down (Note 11) Full power-down (Note 11) VDD1 = VDD2 = 5V ±10%, midscale input mV ±0.5 ±2.0 PSR Power-Supply Rejection POWER SUPPLY DC ACCURACY (Note 1) DYNAMIC SPECIFICATIONS (75kHz sine-wave input, 2.5Vp-p, 300ksps, 4.8MHz clock, bipolar input mode) ELECTRICAL CHARACTERISTICS—MAX1280 (continued) (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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