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AD7441BRTZ-R2 Datasheet(PDF) 3 Page - Analog Devices |
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AD7441BRTZ-R2 Datasheet(HTML) 3 Page - Analog Devices |
3 / 24 page AD7441/AD7451 Rev. D | Page 3 of 24 SPECIFICATIONS VDD = 2.7 V to 5.25 V; fSCLK = 18 MHz; fS = 1 MSPS; VREF = 2.5 V; TA = TMIN to TMAX, unless otherwise noted. Temperature ranges for A, B versions: −40°C to +85°C. Table 1. AD7451 Parameter Test Conditions/Comments A Version B Version Unit DYNAMIC PERFORMANCE fIN = 100 kHz Signal-to-Noise Ratio (SNR)1 VDD = 2.7 V to 5.25 V 70 70 dB min Signal-to-(Noise + Distortion) (SINAD)1 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)1 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 Noise1 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)1 fa = 90 kHz; fb = 110 kHz Second-Order Terms −80 −80 dB typ Third-Order Terms −80 −80 dB typ Aperture Delay1 5 5 ns typ Aperture Jitter1 50 50 ps typ Full-Power Bandwidth1, 2 @ −3 dB 20 20 MHz typ @ −0.1 dB 2.5 2.5 MHz typ DC ACCURACY Resolution 12 12 Bits Integral Nonlinearity (INL)1 ±1.5 ±1 LSB max Differential Nonlinearity (DNL)1 Guaranteed no missed codes to 12 bits ±0.95 ±0.95 LSB max Offset Error1 ±3.5 ±3.5 LSB max Gain Error1 ±3 ±3 LSB max ANALOG INPUT Full-Scale Input Span VIN+ − VIN– VREF VREF V Absolute Input Voltage VIN+ VREF VREF V VIN–3 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 μA max Input Capacitance When in track-and-hold 30/10 30/10 pF typ REFERENCE INPUT VREF Input Voltage4 ±1% tolerance for specified performance 2.5 2.5 V DC Leakage Current ±1 ±1 μA max VREF Input Capacitance When in track-and-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 μA max Input Capacitance, CIN5 10 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VDD = 4.75 V to 5.25 V; ISOURCE = 200 μA 2.8 2.8 V min VDD = 2.7 V to 3.6 V; ISOURCE = 200 μA 2.4 2.4 V min Output Low Voltage, VOL ISINK = 200 μA 0.4 0.4 V max Floating-State Leakage Current ±1 ±1 μA max Floating-State Output Capacitance5 10 10 pF max Output Coding Straight (natural) binary Straight (natural) binary |
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