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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD7910 датащи(PDF) 2 Page - Analog Devices |
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AD7910 датащи(HTML) 2 Page - Analog Devices |
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2 / 20 page  REV. B –2– AD7910–SPECIFICATIONS1 (VDD = 2.35 V to 5.25 V, fSCLK = 5 MHz, fSAMPLE = 250 kSPS, TA = TMIN to TMAX, unless otherwise noted.) Parameter A Grade 1, 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 Error 3, 4 ±1LSB max Gain Error 3, 4 ±1LSB 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 mA 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 mA max Typically 10 nA, VIN = 0 V or VDD Input Current, IIN, CS Pin ±10 nA typ Input Capacitance, CIN 5 5 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD – 0.2 V min ISOURCE = 200 mA, VDD = 2.35 V to 5.25 V Output Low Voltage, VOL 0.4 V max ISINK = 200 mA Floating-State Leakage Current ±1 mA max Floating-State Output Capacitance 5 5 pF max Output Coding Straight (Natural) Binary CONVERSION RATE Conversion Time 2.8 ms max 14 SCLK Cycles with SCLK at 5 MHz Track-and-Hold Acquisition Time 3 250 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 mA max Typically 50 nA Power Dissipation 6 Normal Mode (Operational) 15 mW max VDD = 5 V, fSAMPLE = 250 kSPS 4.2 mW max VDD = 3 V, fSAMPLE = 250 kSPS Full Power-Down 5 mW max VDD = 5 V 3 mW max VDD = 3 V NOTES 1Temperature range from –40 ∞C to +85∞C. 2Operational from V DD = 2.0 V, with input high voltage (VINH) 1.8 V min. 3See Terminology section. 4SC70 values guaranteed by characterization. 5Guaranteed by characterization. 6See Power Vs. Throughput Rate section. Specifications subject to change without notice. |
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