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AD7453 Datasheet(PDF) 2 Page - Analog Devices |
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AD7453 Datasheet(HTML) 2 Page - Analog Devices |
2 / 20 page REV. 0 –2– AD7453–SPECIFICATIONS (VDD = 2.7 V to 5.25 V, fSCLK = 10 MHz, fS = 555 kSPS, VREF = 2.5 V, FIN = 100 kHz, TA = TMIN to TMAX, unless otherwise noted.) Parameter Test Conditions/Comments A Version 1 B Version 1 Unit DYNAMIC PERFORMANCE fIN = 100 kHz Signal to Noise Ratio (SNR) 2 VDD = 2.7 V to 5.25 V 70 70 dB min Signal to (Noise + Distortion) (SINAD) 2 VDD = 2.7 V to 3.6 V 69 69 dB min VDD = 4.75 V to 5.25 V 70 70 dB min Total Harmonic Distortion (THD) 2 VDD = 2.7 V to 3.6 V; –78 dB typ –73 –73 dB max VDD = 4.75 V to 5.25 V; –80 dB typ –75 –75 dB max Peak Harmonic or Spurious Noise 2 VDD = 2.7 V to 3.6 V; –80 dB typ –73 –73 dB max VDD = 4.75 V to 5.25 V; –82 dB typ –75 –75 dB max Intermodulation Distortion (IMD) 2 fa = 90 kHz; fb = 110 kHz Second-Order Terms –80 –80 dB typ Third-Order Terms –80 –80 dB typ Aperture Delay 2 55 ns typ Aperture Jitter 2 50 50 ps typ Full-Power Bandwidth 2, 3 @ –3 dB 20 20 MHz typ @ –0.1 dB 2.5 2.5 MHz typ DC ACCURACY Resolution 12 12 Bits Integral Nonlinearity (INL) 2 ±1.5 ±1 LSB max Differential Nonlinearity (DNL) 2 Guaranteed no missed codes to 12 bits ±0.95 ±0.95 LSB max Offset Error 2 ±3.5 ±3.5 LSB max Gain Error 2 ±3 ±3 LSB max ANALOG INPUT Full-Scale Input Span VIN+ – VIN– VREF VREF V Absolute Input Voltage VIN+ VREF VREF V VIN– 4 VDD = 2.7 V to 3.6 V –0.1 to +0.4 –0.1 to +0.4 V VDD = 4.75 V to 5.25 V –0.1 to +1.5 –0.1 to +1.5 V DC Leakage Current ±1 ±1 mA max Input Capacitance When in track/hold 30/10 30/10 pF typ REFERENCE INPUT VREF Input Voltage ±1% tolerance for specified performance 2.5 5 2.5 5 V DC Leakage Current ±1 ±1 mA max VREF Input Capacitance When in track/hold 10/30 10/30 pF typ LOGIC INPUTS Input High Voltage, VINH 2.4 2.4 V min Input Low Voltage, VINL 0.8 0.8 V max Input Current, IIN Typically 10 nA, VIN = 0 V or VDD ±1 ±1 mA max Input Capacitance, CIN 6 10 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD = 4.75 V to 5.25 V, ISOURCE = 200 mA 2.8 2.8 V min VDD = 2.7 V to 3.6 V, ISOURCE = 200 mA 2.4 2.4 V min Output Low Voltage, VOL ISINK = 200 mA 0.4 0.4 V max Floating-State Leakage Current ±1 ±1 mA max Floating-State Output Capacitance 6 10 10 pF max Output Coding Straight (natural) binary CONVERSION RATE Conversion Time 1.6 ms with a 10 MHz SCLK 16 16 SCLK cycles Track-and-Hold Acquisition Time 2 Sine wave input 250 250 ns max Full-scale step input 290 290 ns max Throughput Rate 555 555 kSPS max |
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