Datasheet AD4001, AD4005 (Analog Devices) - 4

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AD4001/AD4005 Data Sheet SPECIFICATIONS
VDD = 1.71 V to 1.89 V, VIO = 1.71 V to 5.5 V, VREF = 5 V, all specifications TMIN to TMAX, high-Z mode disabled, span compression disabled, turbo mode enabled, and sampling frequency (fS) = 2 MSPS for the AD4001 and fS = 1 MSPS for the AD4005, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range VIN+ − VIN− −VREF +VREF V Span compression enabled −VREF × 0.8 +VREF × 0.8 V Operating Input Voltage VIN+, VIN− to GND −0.1 VREF + 0.1 V Span compression enabled 0.1 × VREF 0.9 × VREF V Common-Mode Input Range VREF/2 − 0.125 VREF/2 VREF/2 + 0.125 V Common-Mode Rejection Ratio (CMRR) fIN = 500 kHz 68 dB Analog Input Current Acquisition phase, T = 25°C 0.3 nA High-Z mode enabled, converting 1 µA dc input at 2 MSPS THROUGHPUT Complete Cycle AD4001 500 ns AD4005 1000 ns Conversion Time 290 320 ns Acquisition Phase1 AD4001 290 ns AD4005 790 ns Throughput Rate2 AD4001 0 2 MSPS AD4005 0 1 MSPS Transient Response3 250 ns DC ACCURACY No Missing Codes 16 Bits Integral Nonlinearity Error (INL) −0.4 ±0.2 +0.4 LSB Differential Nonlinearity Error (DNL) −0.5 ±0.2 +0.5 LSB Transition Noise 0.35 LSB Zero Error −1.5 ±0.1 +1.5 LSB Zero Error Drift4 −0.28 +0.28 ppm/°C Gain Error −16.5 ±0.4 +16.5 LSB Gain Error Drift4 −0.23 +0.23 ppm/°C Power Supply Sensitivity VDD = 1.8 V ± 5% 0.25 LSB 1/f Noise5 Bandwidth = 0.1 Hz to 10 Hz 6 µV p-p AC ACCURACY Dynamic Range 96.3 dB Total RMS Noise 54 µV rms fIN = 1 kHz, −0.5 dBFS, VREF = 5 V Signal-to-Noise Ratio (SNR) 95.6 96.2 dB Spurious-Free Dynamic Range (SFDR) 122 dB Total Harmonic Distortion (THD) −123 dB Signal-to-Noise-and-Distortion Ratio 95.5 96 dB (SINAD) Oversampled Dynamic Range Oversampling ratio (OSR) = 256, 120 dB VREF = 5 V Rev. B | Page 4 of 37 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Circuit Information Converter Operation Transfer Functions Applications Information Typical Application Diagrams Analog Inputs Input Overvoltage Clamp Circuit Differential Input Considerations Switched Capacitor Input RC Filter Values Driver Amplifier Choice Single to Differential Driver High Frequency Input Signals Multiplexed Applications Ease of Drive Features Input Span Compression High-Z Mode Long Acquisition Phase Voltage Reference Input Power Supply Digital Interface Register Read/Write Functionality Status Word /CS Mode, 3-Wire Turbo Mode /CS Mode, 3-Wire Without Busy Indicator /CS Mode, 3-Wire with Busy Indicator /CS Mode, 4-Wire Turbo Mode /CS Mode, 4-Wire Without Busy Indicator /CS Mode, 4-Wire with Busy Indicator Daisy-Chain Mode Layout Guidelines Evaluating the AD4001/AD4005 Performance Outline Dimensions Ordering Guide