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AD7651 Datasheet(PDF) 3 Page - Analog Devices |
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AD7651 Datasheet(HTML) 3 Page - Analog Devices |
3 / 28 page AD7674 Rev. 0 | Page 3 of 28 SPECIFICATIONS Table 2. –40°C to +85°C, VREF = 4.096 V, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted. Parameter Conditions Min Typ Max Unit RESOLUTION 18 Bits ANALOG INPUT Voltage Range VIN+ – VIN– –VREF +VREF V Operating Input Voltage VIN+, VIN– to AGND –0.1 AVDD V Analog Input CMRR fIN = 100 kHz 65 dB Input Current 800 kSPS Throughput 100 µA Input Impedance1 THROUGHPUT SPEED Complete Cycle In Warp Mode 1.25 µs Throughput Rate In Warp Mode 1 800 kSPS Time between Conversions In Warp Mode 1 ms Complete Cycle In Normal Mode 1.5 µs Throughput Rate In Normal Mode 0 666 kSPS Complete Cycle In Impulse Mode 1.75 µs Throughput Rate In Impulse Mode 0 570 kSPS DC ACCURACY Integral Linearity Error –2.5 +2.5 LSB2 Differential Linearity Error –1 +1.75 LSB No Missing Codes 18 Bits Transition Noise VREF = 5 V 0.7 LSB Zero Error, TMIN to TMAX3 In Warp Mode –25 +25 LSB Zero Error Temperature Drift All Modes ±0.5 ppm/°C Gain Error, TMIN to TMAX3 In Warp Mode –0.034 +0.034 % of FSR Gain Error Temperature Drift All Modes ±1.6 ppm/°C Zero Error, TMIN to TMAX3 Normal or Impulse Mode3 –85 See Note 3 +85 LSB Gain Error, TMIN to TMAX3 Normal or Impulse Mode3 –0.048 See Note 3 +0.048 % of FSR Power Supply Sensitivity AVDD = 5 V ± 5% ±4 LSB AC ACCURACY fIN = 2 kHz, VREF = 5 V 101 dB4 VREF = 4.096 V 97.5 99 dB fIN = 10 kHz, VREF = 4.096 V 98 dB Signal-to-Noise fIN = 100 kHz, VREF = 4.096 V 97 dB Dynamic Range VIN+ = VIN– = VREF/2 = 2.5 V 103 dB fIN = 2 kHz 120 dB fIN = 10 kHz 118 dB Spurious-Free Dynamic Range fIN = 100 kHz 105 dB fIN = 2 kHz –115 dB fIN = 10 kHz –113 dB Total Harmonic Distortion fIN = 100 kHz –98 dB fIN = 2 kHz, VREF = 4.096 V 98 dB Signal-to-(Noise + Distortion) fIN = 2 kHz, –60 dB Input 40 dB –3 dB Input Bandwidth 26 MHz SAMPLING DYNAMICS Aperture Delay 2 ns Aperture Jitter 5 ps rms Transient Response Full-Scale Step 250 ns Overvoltage Recovery 250 ns |
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