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AD7938BCPZ-6 Datasheet(PDF) 3 Page - Analog Devices |
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AD7938BCPZ-6 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 32 page  AD7938-6 Rev. 0 | Page 3 of 32 SPECIFICATIONS VDD = VDRIVE = 2.7 V to 5.25 V, internal/external VREF = 2.5 V, unless otherwise noted, FCLKIN = 10 MHz, FSAMPLE = 625 kSPS; TA = TMIN to TMAX, unless otherwise noted. Table 1. Parameter B Version1 Unit Test Conditions/Comments DYNAMIC PERFORMANCE FIN = 50 kHz sine wave Signal-to-Noise + Distortion (SINAD)2 70 dB min Differential mode 68 dB min Single-ended mode Signal-to-Noise Ratio (SNR)2 71 dB min Differential mode 69 dB min Single-ended mode Total Harmonic Distortion (THD)2 −73 dB max −85 dB typ, differential mode −70 dB max −80 dB typ, single-ended mode Peak Harmonic or Spurious Noise (SFDR)2 −73 dB max −82 dB typ Intermodulation Distortion (IMD)2 fa = 30 kHz, fb = 50 kHz Second-Order Terms −86 dB typ Third-Order Terms −90 dB typ Channel-to-Channel Isolation −85 dB typ FIN = 50 kHz, FNOISE = 300 kHz Aperture Delay2 5 ns typ Aperture Jitter2 72 ps typ Full Power Bandwidth2 50 MHz typ @ 3 dB 10 MHz typ @ 0.1 dB DC ACCURACY Resolution 12 Bits Integral Nonlinearity2 ±1 LSB max Differential mode ±1.5 LSB max Single-ended mode Differential Nonlinearity2 Differential Mode ±0.95 LSB max Guaranteed no missed codes to 12 bits Single-Ended Mode −0.95/+1.5 LSB max Guaranteed no missed codes to 12 bits Single-Ended and Pseudo-Differential Input Straight binary output coding Offset Error2 ±6 LSB max Offset Error Match2 ±1 LSB max Gain Error2 ±3 LSB max Gain Error Match2 ±1 LSB max Fully Differential Input Twos complement output coding Positive Gain Error2 ±3 LSB max Positive Gain Error Match2 ±1 LSB max Zero-Code Error2 ±6 LSB max Zero-Code Error Match2 ±1 LSB max Negative Gain Error2 ±3 LSB max Negative Gain Error Match2 ±1 LSB max ANALOG INPUT Single-Ended Input Range 0 to VREF or 0 to 2 × VREF V RANGE bit = 0, or RANGE bit = 1, respectively Pseudo-Differential Input Range: VIN+ 0 to VREF or 2 × VREF V RANGE bit = 0, or RANGE bit = 1, respectively VIN− −0.3 to +0.7 V typ VDD = 3 V −0.3 to +1.8 V typ VDD = 3 V Fully Differential Input Range: VIN+ and VIN− VCM ± VREF/2 V VCM = common-mode voltage3 = VREF/2 VIN+ and VIN− VCM ± VREF V VCM = VREF, VIN+ or VIN− must remain within GND/VDD DC Leakage Current4 ±1 µA max Input Capacitance 45 pF typ When in track 10 pF typ When in hold |
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Descripción similar - AD7938BCPZ-6 |
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