Datasheet AD4000, AD4004, AD4008 (Analog Devices) - 4

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AD4000/ AD4004/ AD4008 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 AD4000, fS = 1 MSPS for the AD4004, and fS = 500 kSPS for the AD4008, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range IN+ voltage (VIN+) − IN− voltage (VIN−) 0 VREF V Operating Input Voltage VIN+ to GND −0.1 VREF + 0.1 V VIN− to GND −0.1 +0.1 V Span compression enabled 0.1 × VREF 0.9 × VREF V Analog Input Current Acquisition phase, T = 25°C 0.3 nA High-Z mode enabled, converting dc 1 µA input at 2 MSPS THROUGHPUT Complete Cycle AD4000 500 ns AD4004 1000 ns AD4008 2000 ns Conversion Time 270 290 320 ns Acquisition Phase1 AD4000 290 ns AD4004 790 ns AD4008 1790 ns Throughput Rate2 AD4000 0 2 MSPS AD4004 0 1 MSPS AD4008 0 500 kSPS Transient Response3 150 ns DC ACCURACY No Missing Codes 16 Bits Integral Nonlinearity Error (INL) −1.0 ±0.2 +1.0 LSB T = 0°C to 85°C −0.8 ±0.2 +0.8 LSB Differential Nonlinearity Error (DNL) −0.5 ±0.15 +0.5 LSB Transition Noise 0.5 LSB Zero Error −4.5 +4.5 LSB Zero Error Drift4 −0.55 +0.55 ppm/°C Gain Error −20 ±3 +20 LSB Gain Error Drift4 −0.92 +0.92 ppm/°C Power Supply Sensitivity VDD = 1.8 V ± 5% 0.5 LSB 1/f Noise5 Bandwidth = 0.1 Hz to 10 Hz 6 µV p-p AC ACCURACY Dynamic Range 93.5 dB Total RMS Noise 37 µV rms fIN = 1 kHz, −0.5 dBFS, VREF = 5 V Signal-to-Noise Ratio (SNR) 91 93 dB Spurious-Free Dynamic Range (SFDR) 112 dB Total Harmonic Distortion (THD) −115 dB Signal-to-Noise-and-Distortion Ratio 91 92.5 dB (SINAD) Oversampled Dynamic Range Oversampling ratio (OSR) = 256, 117 dB VREF = 5 V Rev. C | Page 4 of 36 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 Switched Capacitor Input RC Filter Values DRIVER AMPLIFIER CHOICE 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 CSB MODE, 3-WIRE TURBO MODE CSB MODE, 3-WIRE WITHOUT BUSY INDICATOR CSB MODE, 3-WIRE WITH BUSY INDICATOR CSB MODE, 4-WIRE TURBO MODE CSB MODE, 4-WIRE WITHOUT BUSY INDICATOR CSB MODE, 4-WIRE WITH BUSY INDICATOR DAISY-CHAIN MODE LAYOUT GUIDELINES EVALUATING THE AD4000/AD4004/AD4008 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE