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AD7472YRU Datasheet(PDF) 3 Page - Analog Devices |
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AD7472YRU Datasheet(HTML) 3 Page - Analog Devices |
3 / 20 page REV. B –3– AD7470/AD7472 AD7472–SPECIFICATIONS1 (V DD = 2.7 V to 5.25 V 2, REF IN = 2.5 V, A and B Versions: f CLKIN = 26 MHz @ 5 V and 20 MHz @ 3 V, TA = TMIN to TMAX, unless otherwise noted.) Parameter A Version 1 B Version 1 Unit Test Conditions/Comments DYNAMIC PERFORMANCE 5 V 3 V 5 V3 V fS = 1.5 MSPS @ 5 V, fS = 1.2 MSPS @ 3 V Signal to Noise + Distortion (SINAD) 69 69 69 69 dB typ fIN = 500 kHz Sine Wave 68 68 68 68 dB min fIN = 100 kHz Sine Wave Signal-to-Noise Ratio (SNR) 70 70 70 70 dB typ fIN = 500 kHz Sine Wave 68 68 68 68 dB min fIN = 100 kHz Sine Wave Total Harmonic Distortion (THD) –83 –78 –83 –78 dB typ fIN = 500 kHz Sine Wave –83 –84 –83 –84 dB typ fIN = 100 kHz Sine Wave –75 –75 –75 –75 dB max fIN = 100 kHz Sine Wave Peak Harmonic or Spurious Noise (SFDR) –86 –81 –86 –81 dB typ fIN = 500 kHz Sine Wave –86 –86 –86 –86 dB typ fIN = 100 kHz Sine Wave –76 –76 –76 –76 dB max fIN = 100 kHz Sine Wave Intermodulation Distortion (IMD) Second-Order Terms –77 –77 –77 –77 dB typ fIN = 500 kHz Sine Wave –86 –86 –86 –86 dB typ fIN = 100 kHz Sine Wave Third-Order Terms –77 –77 –77 –77 dB typ fIN = 500 kHz Sine Wave –86 –86 –86 –86 dB typ fIN = 100 kHz Sine Wave Aperture Delay 5 5 5 5 ns typ Aperture Jitter 15 15 15 15 ps typ Full Power Bandwidth 20 20 20 20 MHz typ @ 3 dB DC ACCURACY fS = 1.5 MSPS @ 5 V, fS = 1.2 MSPS @ 3 V Resolution 12 12 12 12 Bits Integral Nonlinearity ± 2 ± 2 ± 1 ±1 LSB max Guaranteed No Missed Codes to 11 Bits (A Version) Differential Nonlinearity ± 1.8 ± 1.8 ± 0.9 ±0.9 LSB max Guaranteed No Missed Codes to 12 Bits (B Version) Offset Error ± 10 ± 10 ± 10 ±10 LSB max Gain Error ± 2 ± 2 ± 2 ±2 LSB max ANALOG INPUT Input Voltage Ranges 0 to REF IN 0 to REF IN 0 to REF IN 0 to REF IN V DC Leakage Current ± 1 ± 1 ± 1 ±1 µA max Input Capacitance 33 33 33 33 pF typ REFERENCE INPUT REF IN Input Voltage Range 2.5 2.5 2.5 2.5 V ±1% for Specified Performance DC Leakage Current ±1 ±1 ±1 ±1 µA max Input Capacitance 10/20 10/20 10/20 10/20 pF typ Track-and-Hold Mode LOGIC INPUTS Input High Voltage, VINH 2.4 2.4 2.4 2.4 V min Input Low Voltage, VINL 0.4 0.4 0.4 0.4 V max Input Current, IIN ±1 ±1 ±1 ±1 µA max Typically 10 nA, VIN = 0 V or VDD Input Capacitance, CIN 3 10 10 10 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VDRIVE – 0.2 VDRIVE – 0.2 VDRIVE – 0.2 VDRIVE – 0.2 V min ISOURCE = 200 µA Output Low Voltage, VOL 0.4 0.4 0.4 0.4 V max ISINK = 200 µA Floating-State Leakage Current ± 10 ± 10 ± 10 ±10 µA max VDD = 2.7 V to 5.25 V Floating-State Output Capacitance 10 10 10 10 pF max Output Coding Straight (Natural) Binary Straight (Natural) Binary CONVERSION RATE Conversion Time 14 14 14 14 CLK IN Cycles (max) Track-and-Hold Acquisition Time 135 135 135 135 ns min Throughput Rate 1.5 1.2 1.5 1.2 MSPS max Conversion Time + Acquisition Time POWER REQUIREMENTS VDD +2.7/+5.25 +2.7/+5.25 V min/max IDD 4 Digital Inputs = 0 V or DVDD Normal Mode 2.4 2.4 mA max VDD = 4.75 V to 5.25 V; Typ 2 mA; fS = 1.5 MSPS Quiescent Current 900 900 µA max VDD = 4.75 V to 5.25 V; fS = 1.5 MSPS Normal Mode 1.5 1.5 mA max VDD = 2.7 V to 3.3 V; Typ 1.3 mA; fS = 1.2 MSPS Quiescent Current 800 800 µA max VDD = 2.7 V to 3.3 V; fS = 1.2 MSPS Sleep Mode 1 1 µA max CLK IN = 0 V or DVDD Power Dissipation 4 Digital Inputs = 0 V or DVDD Normal Mode 12 12 mW max VDD = 5 V 4.5 4.5 mW max VDD = 3 V Sleep Mode 5 5 µW max VDD = 5 V; CLK IN = 0 V or DVDD 33 µW max VDD = 3 V; CLK IN = 0 V or DVDD NOTES 1Temperature ranges as follows: A and B Versions: –40 °C to +85°C. 2The AD7472 functionally works at 2.35 V. Typical specifications @ 25 °C for SNR (100 kHz) = 68 dB; THD (100 kHz) = –84 dB; INL ± 0.8 LSB. 3Sample tested @ 25 °C to ensure compliance. 4See Power vs. Throughput Rate section. Specifications subject to change without notice. |
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