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AD7920BKSZ-500RL7 Datasheet(PDF) 3 Page - Analog Devices |
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AD7920BKSZ-500RL7 Datasheet(HTML) 3 Page - Analog Devices |
3 / 24 page AD7910/AD7920 Rev. C | Page 3 of 24 SPECIFICATIONS AD7910 VDD = 2.35 V to 5.25 V, fSCLK = 5 MHz, fSAMPLE = 250 kSPS, TA = TMIN to TMAX, unless otherwise noted. Table 1. Parameter1 A Grade1, 2 Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 100 kHz sine wave Signal-to-Noise + Distortion (SINAD)3 61 dB min Total Harmonic Distortion (THD)3 −72 dB max Peak Harmonic or Spurious Noise (SFDR)3 −73 dB max Intermodulation Distortion (IMD)3 Second-Order Terms −82 dB typ fa = 100.73 kHz, fb = 90.7 kHz Third-Order Terms −82 dB typ fa = 100.73 kHz, fb = 90.7 kHz Aperture Delay 10 ns typ Aperture Jitter 30 ps typ Full Power Bandwidth 13.5 MHz typ @ 3 dB 2 MHz typ @ 0.1 dB DC ACCURACY Resolution 10 Bits Integral Nonlinearity ±0.5 LSB max Differential Nonlinearity ±0.5 LSB max Guaranteed no missed codes to 10 bits Offset Error3, 4 ±1 LSB max Gain Error3, 4 ±1 LSB max Total Unadjusted Error (TUE)3, 4 ±1.2 LSB max ANALOG INPUT Input Voltage Ranges 0 to VDD V DC Leakage Current ±0.5 μA max Input Capacitance 20 pF typ Track-and-hold in track, 6 pF typ when in hold LOGIC INPUTS Input High Voltage, VINH 2.4 V min Input Low Voltage, VINL 0.8 V max VDD = 5 V 0.4 V max VDD = 3 V Input Current, IIN, SCLK Pin ± 0.5 μA max Typically 10 nA, VIN = 0 V or VDD Input Current, IIN, CS Pin ± 10 nA typ Input Capacitance, CIN5 5 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD − 0.2 V min ISOURCE = 200 μA, VDD = 2.35 V to 5.25 V Output Low Voltage, VOL 0.4 V max ISINK = 200 μA Floating-State Leakage Current ±1 μA max Floating-State Output Capacitance5 5 pF max Output Coding Straight (natural) binary CONVERSION RATE Conversion Time 2.8 μs max 14 SCLK cycles with SCLK at 5 MHz Track-and-Hold Acquisition Time3 250 ns max Throughput Rate 250 kSPS max POWER REQUIREMENTS VDD 2.35/5.25 V min/max IDD Digital I/Ps = 0 V or VDD Normal Mode (Static) 2.5 mA typ VDD = 4.75 V to 5.25 V, SCLK on or off 1.2 mA typ VDD = 2.35 V to 3.6 V, SCLK on or off Normal Mode (Operational) 3 mA max VDD = 4.75 V to 5.25 V, fSAMPLE = 250 kSPS 1.4 mA max VDD = 2.35 V to 3.6 V, fSAMPLE = 250 kSPS Full Power-Down Mode 1 μA max Typically 50 nA |
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