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AD7380 Datasheet(PDF) 3 Page - Analog Devices |
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AD7380 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 29 page  Data Sheet AD4680/AD4681 Rev. 0 | Page 3 of 29 SPECIFICATIONS VCC = 3.0 V to 3.6 V, VLOGIC = 1.65 V to 3.6 V, reference voltage (VREF) = 2.5 V internal, sampling frequency (fSAMPLE) = 1 MSPS (AD4680) or 500 kSPS (AD4681), TA = −40°C to +125°C, no oversampling enabled, unless otherwise noted. FS is full scale. Table 2. Parameter Test Conditions/Comments Min Typ Max Unit RESOLUTION 16 Bits THROUGHPUT AD4680 1 MSPS AD4681 500 kSPS DC ACCURACY No Missing Codes 16 Bits Differential Nonlinearity (DNL) Error −1.0 ±0.7 +1.0 LSB Integral Nonlinearity (INL) Error −1.5 ±0.7 +1.5 LSB Gain Error −0.015 ±0.002 +0.015 % FS Gain Error Temperature Drift −11 ±1 +11 ppm/°C Gain Error Match −0.01 ±0.002 +0.01 % FS Offset Error At 25°C, VCC = 3.3 V −0.2 ±0.01 +0.2 mV −0.5 +0.5 mV Zero Error Drift −2 ±0.5 +2 μV/°C Zero Error Matching −0.5 ±0.1 +0.5 mV AC ACCURACY Input frequency (fIN) = 1 kHz Dynamic Range VREF = 3.3 V external 93.3 dB 91.8 dB Oversampled Dynamic Range Oversampling ratio (OSR) = 4× 95.2 dB Signal-to-Noise Ratio (SNR) VREF = 3.3 V external 91 92.5 dB 89.5 91 dB OSR = 8×, RES = 1, VREF = 3.3 V external 100 dB fIN = 100 kHz 89 dB Spurious-Free Dynamic Range (SFDR) 112 dB Total Harmonic Distortion (THD) −113 dB fIN = 100 kHz −104 dB Signal-to-Noise-and-Distortion (SINAD) Ratio VREF = 3.3 V external 90 92.5 dB 89 91 dB Channel to Channel Isolation −110 dB ANALOG INPUT Voltage Range (AINx+) – (AINx−) −VREF +VREF V Absolute Input Voltage AINx+, AINx− −0.1 VREF + 0.1 V Common-Mode Input Range AINx+, AINx− 0.2 to VREF − 0.2 V Analog Input Common-Mode Rejection Ratio (CMRR) fIN = 500 kHz −75 dB DC Leakage Current 0.1 1 μA Input Capacitance When in track mode 18 pF When in hold mode 5 pF SAMPLING DYNAMICS Input Bandwidth At −0.1 dB 6 MHz At −3 dB 25 MHz Aperture Delay 2 ns Aperture Delay Match 26 100 ps Aperture Jitter 20 ps |
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