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AD7266BSU Fiches technique(PDF) 3 Page - Analog Devices |
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AD7266BSU Fiches technique(HTML) 3 Page - Analog Devices |
3 / 17 page Preliminary Technical Data AD7266 AD7266—SPECIFICATIONS1 Table 1. TA = TMIN to TMAX, VDD = 2.7 V to 3.3 V, fSCLK = 25 MHz, fS = 1.5 MSPS, VDRIVE = 2.7 V to 3.3 V; VDD = 4.75 V to 5.25 V, fSCLK = 32 MHz, fS = 2 MSPS, VDRIVE = 2.7 V to 5.25 V; Reference = 2.5 V ± 1%, unless otherwise noted Parameter Specification Unit Test Conditions/Comments DYNAMIC PERFORMANCE Signal-to-Noise + Distortion Ratio (SINAD)2 70 dB min fIN = 100 kHz sine wave Total Harmonic Distortion (THD)2 –75 dB max fIN = 100 kHz sine wave Spurious Free Dynamic Range (SFDR)2 –76 dB max fIN = 100 kHz sine wave Intermodulation Distortion (IMD)2 Second Order Terms –88 dB typ Third Order Terms –88 dB typ Channel to Channel Isolation –88 dB typ SAMPLE AND HOLD Aperture Delay3 10 ns max Aperture Jitter3 50 ps typ Aperture Delay Matching3 200 ps max Full Power Bandwidth 20 MHz typ @ 3 dB 2.5 MHz typ @0.1 dB DC ACCURACY Resolution 12 Bits Integral Nonlinearity2 ±1 LSB max ±0.5 LSB typ; differential configuration ±1.5 LSB max ±0.5 LSB typ; single-ended configuration Differential Nonlinearity2 ±0.95 LSB max Guaranteed no missed codes to 12 bits 0 V to VREF Input Range Straight binary output coding Offset Error ±3 LSB max Offset Error Match ±0.5 LSB typ Gain Error ±2 LSB max Gain Error Match ±0.6 LSB typ 0 V to 2 × VREF Input Range Twos complement output coding Positive Gain Error ±2 LSB max Zero Code Error ±3 LSB max Zero Code Error Match ±1 LSB typ Negative Gain Error ±1 LSB max ANALOG INPUT Input Voltage Ranges 0 V to VREF V RANGE pin low upon CS falling edge 0 V to 2 x VREF V RANGE pin high upon CS falling edge DC Leakage Current ±500 nA max TA = –40°C to +85°C ±1 µA max 85°C < TA ≤ 125°C Input Capactiance 30 pF typ When in track 10 pF typ When in hold REFERENCE INPUT/OUTPUT Reference Output Voltage4 2.49/2.51 V min/V max Reference Input Voltage Range 0.1/2.5 V min/V max See Typical Performance plots DC Leakage Current ±30 µA max VREF pin ±160 µA max DCAPA, DCAPB pins Input Capactiance 20 pF typ VREF Output Impedance5 25 Ω typ Reference Temperature Coefficient 25 ppm/°C max 10 ppm/°C typ LOGIC INPUTS Input High Voltage, VINH 2.8 V min Input Low Voltage, VINL 0.4 V max Input Current, IIN ±1 µA max Typically 15 nA, VIN = 0 V or VDRIVE Input Capacitance, CIN3 10 pF max Rev. PrG | Page 3 of 17 |
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