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AD7951BSTZ Datasheet(PDF) 3 Page - Analog Devices |
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AD7951BSTZ Datasheet(HTML) 3 Page - Analog Devices |
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3 / 32 page  Data Sheet AD7951 Rev. A | Page 3 of 32 SPECIFICATIONS AVDD = DVDD = 5 V; OVDD = 2.7 V to 5.5 V; VCC = 15 V; VEE = −15 V; VREF = 5 V; all specifications TMIN to TMAX, unless otherwise noted. Table 2. Parameter Conditions/Comments Min Typ Max Unit RESOLUTION 14 Bits ANALOG INPUT Voltage Range, VIN VIN+ − VIN− = 0 V to 5 V −0.1 +5.1 V VIN+ − VIN− = 0 V to 10 V −0.1 +10.1 V VIN+ − VIN− = ±5 V −5.1 +5.1 V VIN+ − VIN− = ±10 V −10.1 +10.1 V VIN− to AGND −0.1 +0.1 V Analog Input CMRR fIN = 100 kHz 75 dB Input Current VIN = ±5 V, ±10 V @ 1 MSPS 3001 μA Input Impedance See the Analog Inputs section THROUGHPUT SPEED Complete Cycle In warp mode 1 μs Throughput Rate In warp mode 1 1 MSPS Time Between Conversions In warp mode 1 ms Complete Cycle In normal mode 1.25 μs Throughput Rate In normal mode 0 800 kSPS Complete Cycle In impulse mode 1.49 μs Throughput Rate In impulse mode 0 670 kSPS DC ACCURACY Integral Linearity Error2 −1 ±0.3 +1 LSB3 No Missing Codes2 14 Bits Differential Linearity Error2 −1 +1 LSB Transition Noise 0.55 LSB Zero Error (Unipolar or Bipolar) −15 +15 LSB Zero Error Temperature Drift ±1 ppm/°C Full-Scale Error (Unipolar or Bipolar) −20 +20 LSB Full-Scale Error Temperature Drift ±1 ppm/°C Power Supply Sensitivity AVDD = 5 V ± 5% ±0.8 LSB AC ACCURACY Dynamic Range fIN = 2 kHz, −60 dB 84.5 85.5 dB4 Signal-to-Noise Ratio fIN = 2 kHz 84.5 85.5 dB fIN = 20 kHz 85.5 dB Signal-to-(Noise + Distortion) (SINAD) fIN = 2 kHz 83 85.4 dB Total Harmonic Distortion fIN = 2 kHz −105 dB Spurious-Free Dynamic Range fIN = 2 kHz 102 dB –3 dB Input Bandwidth VIN = 0 V to 5 V 45 MHz Aperture Delay 2 ns Aperture Jitter 5 ps rms Transient Response Full-scale step 500 ns INTERNAL REFERENCE PDREF = PDBUF = low Output Voltage REF @ 25°C 4.965 5.000 5.035 V Temperature Drift –40°C to +85°C ±3 ppm/°C Line Regulation AVDD = 5 V ± 5% ±15 ppm/V Long-Term Drift 1000 hours 50 ppm Turn-On Settling Time CREF = 22 μF 10 ms |
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