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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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AD7477AARM Datenblatt(PDF) 2 Page - Analog Devices |
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AD7477AARM Datenblatt(HTML) 2 Page - Analog Devices |
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2 / 24 page  REV. C –2– AD7476A/AD7477A/AD7478A (VDD = 2.35 V to 5.25 V, fSCLK = 20 MHz, fSAMPLE = 1 MSPS, unless otherwise noted; TA = TMIN to TMAX, unless otherwise noted.) AD7476A–SPECIFICATIONS1 Parameter A Grade 2 B Grade 2 Y Grade 2 Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 100 kHz Sine Wave Signal-to-Noise + Distortion (SINAD) 3 70 70 70 dB min VDD = 2.35 V to 3.6 V, TA = 25 C 69 69 69 dB min VDD = 2.4 V to 3.6 V 71.5 71.5 71.5 dB typ VDD = 2.35 V to 3.6 V 69 69 69 dB min VDD = 4.75 V to 5.25 V, TA = 25 C 68 68 68 dB min VDD = 4.75 V to 5.25 V Signal-to-Noise Ratio (SNR) 3 71 71 71 dB min VDD = 2.35 V to 3.6 V, TA = 25 C 70 70 70 dB min VDD = 2.4 V to 3.6 V 70 70 70 dB min VDD = 4.75 V to 5.25 V, TA = 25 C 69 69 69 dB min VDD = 4.75 V to 5.25 V Total Harmonic Distortion (THD) 3 –80 –80 –80 dB typ Peak Harmonic or Spurious Noise (SFDR) 3 –82 –82 –82 dB typ Intermodulation Distortion (IMD) 3 Second-Order Terms –84 –84 –84 dB typ fa = 100.73 kHz, fb = 90.72 kHz Third-Order Terms –84 –84 –84 dB typ fa = 100.73 kHz, fb = 90.72 kHz Aperture Delay 10 10 10 ns typ Aperture Jitter 30 30 30 ps typ Full Power Bandwidth 13.5 13.5 13.5 MHz typ @ 3 dB 222 MHz typ @ 0.1 dB DC ACCURACY B and Y Grades 4 Resolution 12 12 12 Bits Integral Nonlinearity 3 ±1.5 ±1.5 LSB max ±0.75 LSB typ Differential Nonlinearity –0.9/+1.5 –0.9/+1.5 LSB max Guaranteed No Missed Codes to 12 Bits ±0.75 LSB typ Offset Error 3, 5 ±1.5 ±1.5 LSB max ±1.5 ±0.2 ±0.2 LSB typ Gain Error 3, 5 ±1.5 ±1.5 LSB max ±1.5 ±0.5 ±0.5 LSB typ Total Unadjusted Error (TUE) 3, 5 ±2 ±2 LSB max ANALOG INPUT Input Voltage Range 0 to VDD 0 to VDD 0 to VDD V DC Leakage Current ±0.5 ±0.5 ±0.5 µA max Input Capacitance 20 20 20 pF typ Track-and-Hold in Track; 6 pF typ when in Hold LOGIC INPUTS Input High Voltage, VINH 2.4 2.4 2.4 V min 1.8 1.8 1.8 V min VDD = 2.35 V Input Low Voltage, VINL 0.8 0.8 0.8 V max VDD = 5 V 0.4 0.4 0.4 V max VDD = 3 V Input Current, IIN, SCLK Pin ±0.5 ±0.5 ±0.5 µA max Typically 10 nA, VIN = 0 V or VDD Input Current, IIN, CS Pin ±10 ±10 ±10 nA typ Input Capacitance, CIN 6 555 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD – 0.2 VDD – 0.2 VDD – 0.2 V min ISOURCE = 200 µA; V DD = 2.35 V to 5.25 V Output Low Voltage, VOL 0.4 0.4 0.4 V max ISINK = 200 µA Floating-State Leakage Current ±1 ±1 ±1 µA max Floating-State Output Capacitance 6 555 pF max Output Coding Straight (Natural) Binary CONVERSION RATE Conversion Time 800 800 800 ns max 16 SCLK Cycles Track-and-Hold Acquisition Time 3 250 250 250 ns max Throughput Rate 1 1 1 MSPS max See Serial Interface Section |
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