Datasheet AD7699 (Analog Devices) - 4

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AD7699 Data Sheet SPECIFICATIONS
VDD = 4.5 V to 5.5 V, VREF = 4.096 to VDD, VIO = 1.8 V to VDD, all specifications TMIN to TMAX, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range Unipolar mode 0 +VREF V Bipolar mode −VREF/2 +VREF/2 V Absolute Input Voltage Positive input, unipolar and bipolar modes −0.1 VREF + 0.1 V Negative or COM input, unipolar mode −0.1 +0.1 V Negative or COM input, bipolar mode VREF/2 − 0.1 VREF/2 VREF/2 + 0.1 V Analog Input CMRR fIN = 250 kHz 68 dB Leakage Current at 25°C Input Acquisition phase 1 nA Impedance1 THROUGHPUT Conversion Rate Full Bandwidth2 0 500 kSPS ¼ Bandwidth2 0 125 kSPS Transient Response Full-scale step, full bandwidth 400 ns Full-scale step, ¼ bandwidth 1600 ns ACCURACY No Missing Codes 16 Bits Integral Linearity Error LFCSP −1.5 ±0.5 +1.5 LSB3 WLCSP −2.5 ±0.5 +2.5 LSB3 Differential Linearity Error −1 ±0.25 +1.5 LSB Transition Noise REF = VDD = 5 V 0.5 LSB Gain Error4 All modes −10 ±1 +10 LSB Gain Error Match LFCSP −3 ±1 +3 LSB WLCSP −5 ±1 +5 LSB Gain Error Temperature Drift ±0.3 ppm/°C Offset Error4 All modes LFCSP −10 ±1 +10 LSB WLCSP −12 ±1 +12 LSB Offset Error Match LFCSP −3 ±1 +3 LSB WLCSP −11 ±1 +11 LSB Offset Error Temperature Drift ±0.3 ppm/°C Power Supply Sensitivity VDD = 5 V ± 5% ±1.5 LSB AC Accuracy Dynamic Range 93.3 dB5 Signal-to-Noise LFCSP fIN = 20 kHz, VREF = 5 V 92 92.5 dB WLCSP fIN = 20 kHz, VREF = 5 V 90 92.5 dB LFCSP fIN = 20 kHz, VREF = 4.096 V internal REF 89.5 91.5 dB WLCSP fIN = 20 kHz, VREF = 4.096 V internal REF 89 91.5 dB SINAD LFCSP fIN = 20 kHz, VREF = 5 V 90 91.5 dB WLCSP fIN = 20 kHz, VREF = 5 V 89 91.5 dB fIN = 20 kHz, VREF = 5 V, −60 dB input 33.5 dB LFCSP fIN = 20 kHz, VREF = 4.096 V internal REF 89 90.5 dB WLCSP fIN = 20 kHz, VREF = 4.096 V internal REF 88 90.5 dB Rev. F | Page 4 of 32 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION OVERVIEW CONVERTER OPERATION TRANSFER FUNCTIONS TYPICAL CONNECTION DIAGRAMS Unipolar or Bipolar Bipolar Single Supply ANALOG INPUTS Input Structure Selectable Low-Pass Filter Input Configurations Sequencer Examples Source Resistance DRIVER AMPLIFIER CHOICE VOLTAGE REFERENCE OUTPUT/INPUT Internal Reference/Temperature Sensor External Reference and Internal Buffer External Reference Reference Decoupling POWER SUPPLY SUPPLYING THE ADC FROM THE REFERENCE DIGITAL INTERFACE READING/WRITING DURING CONVERSION, FAST HOSTS READING/WRITING DURING ACQUISITION, ANY SPEED HOSTS READING/WRITING SPANNING CONVERSION, ANY SPEED HOST CONFIGURATION REGISTER, CFG GENERAL TIMING WITHOUT A BUSY INDICATOR GENERAL TIMING WITH A BUSY INDICATOR READ/WRITE SPANNING CONVERSION WITHOUT A BUSY INDICATOR READ/WRITE SPANNING CONVERSION WITH A BUSY INDICATOR CHANNEL SEQUENCER Examples APPLICATION HINTS LAYOUT EVALUATING AD7699 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE