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AD7680ARMZ Scheda tecnica(PDF) 3 Page - Analog Devices |
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AD7680ARMZ Scheda tecnica(HTML) 3 Page - Analog Devices |
3 / 24 page AD7680 Rev. A | Page 3 of 24 SPECIFICATIONS1 Table 2. VDD = 4.5 V to 5.5 V, fSCLK = 2.5 MHz, fSAMPLE = 100 kSPS, unless otherwise noted; TA = TMIN to TMAX, unless otherwise noted Parameter A, B Versions1 Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 10 kHz sine wave Signal-to-Noise + Distortion (SINAD)2 83 dB min 85 dB typ Signal-to-Noise Ratio (SNR)2 84 dB min 86 dB typ Total Harmonic Distortion (THD)2 −97 dB typ Peak Harmonic or Spurious Noise (SFDR)2 −95 dB typ Intermodulation Distortion (IMD)2 Second-Order Terms −94 dB typ Third-Order Terms −100 dB typ Aperture Delay 20 ns max Aperture Jitter 30 ps typ Full Power Bandwidth 8 MHz typ @ −3 dB 2.2 MHz typ @ −0.1 dB DC ACCURACY No Missing Codes 15 Bits typ Integral Nonlinearity2 ±4 LSB typ Offset Error2 ±1.68 mV max Gain Error2 ±0.038 % FS max ANALOG INPUT Input Voltage Ranges 0 to VDD V DC Leakage Current ±0.3 μA max Input Capacitance 30 pF typ LOGIC INPUTS Input High Voltage, VINH 2.8 V min Input Low Voltage, VINL 0.4 V max Input Current, IIN ±0.3 μA max Typically 10 nA, VIN = 0 V or VDD Input Capacitance, CIN2, 3 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD − 0.2 V min ISOURCE = 200 μA Output Low Voltage, VOL 0.4 V max ISINK = 200 μA Floating-State Leakage Current ±0.3 μA max Floating-State Output Capacitance2, 3 10 pF max Output Coding Straight (Natural) Binary CONVERSION RATE Conversion Time 8 μs max 20 SCLK cycles with SCLK at 2.5 MHz 9.6 μs max 24 SCLK cycles with SCLK at 2.5 MHz Track-and-Hold Acquisition Time 1.5 μs max 400 ns max Sine wave input ≤ 10 kHz Throughput Rate 100 kSPS See the Serial Interface section POWER REQUIREMENTS VDD 4.5/5.5 V min/V max IDD Digital I/PS = 0 V or VDD Normal Mode (Static) 5.2 mA max SCLK on or off. VDD = 5.5 V Normal Mode (Operational) 4.8 mA max fSAMPLE = 100 kSPS. VDD = 5.5 V; 3.3 mA typ Full Power-Down Mode 0.5 μA max SCLK on or off. VDD = 5.5 V Power Dissipation4 VDD = 5.5 V Normal Mode (Operational) 26.4 mW max fSAMPLE = 100 kSPS Full Power-Down 2.75 μW max 1Temperature range as follows: B Version: −40°C to +85°C. 2 See the Terminology section. 3 Sample tested during initial release to ensure compliance. 4 See the Power vs. Throughput Rate section. |
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