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ADAQ7980 Datasheet(PDF) 3 Page - Analog Devices |
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ADAQ7980 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 38 page  Data Sheet ADAQ4001 SPECIFICATIONS analog.com Rev. 0 | 3 of 38 VDD = 1.8 V ± 5%, VS+ = 5.5 V ± 5%, VS− = 0 V, VIO = 1.7 V to 5.5 V, reference voltage (VREF) = 5 V, sampling frequency (fS) = 2 MSPS, all specifications TMIN to TMAX, high-Z mode disabled, span compression disabled, and turbo mode enabled, unless otherwise noted. ADC driver configured in single-ended to differential configuration and normal mode, unless otherwise noted. Table 2. Parameter Test Conditions/Comments Min Typ Max Unit RESOLUTION 16 Bit ANALOG INPUTS IN+, IN−, R1K1+, R1K1−, R1K+, and R1K− Input Impedance (ZIN) Single-ended to differential configuration G = 0.454, input voltage (VIN) = 22 V p-p 1.3 kΩ G = 0.909, VIN = 11 V p-p 1.44 kΩ G = 1, VIN = 10 V p-p 1.33 kΩ G = 1.9, VIN = 5.2 V p-p 778 Ω Fully differential configuration G = 0.454 and G = 0.909, VIN = 22 V p-p and 11 V p-p 1.1 kΩ G = 1, VIN = 10 V p-p 1 kΩ G = 1.9, VIN = 5.2 V p-p 523 Ω Differential Input Voltage Ranges1 G = 0.454, VIN = 22 V p-p −2.2 × VREF +2.2 × VREF V G = 0.909, VIN = 11 V p-p −1.1 × VREF +1.1 × VREF V G = 1, VIN = 10 V p-p −VREF +VREF V G = 1.9, VIN = 5.2 V p-p −0.526 × VREF +0.526 × VREF V Input Capacitance IN+ and IN− 15 pF THROUGHPUT Complete Cycle 500 ns Conversion Time 290 320 ns Acquisition Phase2 290 ns Throughput Rate3 0 2 MSPS Transient Response4 40 µs DC ACCURACY Single-ended to differential configuration No Missing Codes 16 Bits Integral Nonlinearity Error (INL) All gains, VS− = −1 V −11.9 ±4.6 +11.9 ppm −0.78 ±0.3 +0.78 LSB5 Differential Nonlinearity Error (DNL) All gains, VS− = −1 V −9.56 ±3.8 +9.56 ppm −0.63 ±0.25 +0.63 LSB5 Transition Noise G = 0.454 57 μV G = 0.909 63.2 μV G = 1 60.9 μV G = 1.9 61.3 μV Gain Error All gains −0.05 ±0.005 +0.05 % FS Gain Error Drift All gains −3 ±0.5 +3 ppm/°C Offset Error G = 0.454 −1 ±0.1 +1 mV G = 0.909, G = 1 −0.9 ±0.06 +0.9 mV G = 1.9 −1.5 ±0.01 +1.5 mV Offset Error Drift G = 0.454 −8 +0.7 +8 ppm/°C G = 0.909 and G = 1 −10 +1.6 +10 ppm/°C G = 1.9 −15 +2.6 +15 ppm/°C Common-Mode Rejection Ratio (CMRR) Fully differential configuration, all gains 90 dB Power Supply Rejection Ratio (PSRR) Positive VDD = 1.71 V to 1.89 V 72 dB VS+ = 5.225 V to 5.775 V, VS− = 0 V 110 dB |
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