Datasheet AD7915, AD7916 (Analog Devices) - 3

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Data Sheet AD7915/AD7916 SPECIFICATIONS
VDD = 2.5 V, VIO = 2.3 V to 5.5 V, VREF = 5 V, TA = −40°C to +125°C, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range IN+ − IN− −VREF +VREF V Absolute Input Voltage IN+, IN− −0.1 VREF + 0.1 V Common-Mode Input Range IN+, IN− VREF × 0.475 VREF × 0.5 VREF × 0.525 V Analog Input Common-Mode fIN = 450 kHz 60 dB Rejection Ratio (CMRR) Leakage Current at 25°C Acquisition phase 1 nA Input Impedance See the Analog Inputs section ACCURACY No Missing Codes 16 Bits Differential Nonlinearity (DNL) Error VREF = 5 V −0.9 ±0.4 +0.9 LSB1 VREF = 2.5 V ±0.5 LSB1 Integral Nonlinearity (INL) Error VREF = 5 V −1 ±0.4 +1 LSB1 VREF = 2.5 V ±0.5 LSB1 Transition Noise VREF = 5 V 0.75 LSB1 VREF = 2.5 V 1.2 LSB1 Gain Error2 TMIN to TMAX −10 0 +10 LSB1 Gain Error Temperature Drift ±0.23 ppm/°C Zero Error2 TMIN to TMAX −0.5 ±0.08 +0.5 mV Zero Temperature Drift 0.28 ppm/°C Power Supply Sensitivity VDD = 2.5 V ± 5% ±0.1 dB THROUGHPUT AD7915 Conversion Rate 0 1000 kSPS AD7916 Conversion Rate 0 500 kSPS Transient Response Full-scale step 290 ns AC ACCURACY Dynamic Range VREF = 5 V 95.5 dB3 VREF = 2.5 V 92 dB3 Oversampled Dynamic Range4 fO = 10 kSPS 113.5 dB3 Signal-to-Noise Ratio (SNR) fIN = 1 kHz, VREF = 5 V 93 94 dB3 fIN = 1 kHz, VREF = 2.5 V 89 91 dB3 Spurious-Free Dynamic Range (SFDR) fIN = 1 kHz −118 dB3 Total Harmonic Distortion (THD) fIN = 1 kHz −118.5 dB3 Signal-to-Noise-and-Distortion Ratio fIN = 1 kHz, VREF = 5 V 93.5 dB3 (SINAD) fIN = 1 kHz, VREF = 2.5 V 90.5 dB3 REFERENCE Voltage Range 2.4 5.1 V Load Current VREF = 5 V 330 μA SAMPLING DYNAMICS −3 dB Input Bandwidth 10 MHz Aperture Delay VDD = 2.5 V 2 ns Rev. 0 | Page 3 of 26 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATIONS CIRCUIT TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM ANALOG INPUTS DRIVER AMPLIFIER CHOICE SINGLE TO DIFFERENTIAL DRIVER VOLTAGE REFERENCE INPUT POWER SUPPLY DIGITAL INTERFACE MODE, 3-WIRE, WITHOUT BUSY INDICATOR MODE 3-WIRE, WITH BUSY INDICATOR MODE, 4-WIRE, WITHOUT BUSY INDICATOR MODE 4-WIRE WITH BUSY INDICATOR CHAIN MODE, WITHOUT BUSY INDICATOR CHAIN MODE WITH BUSY INDICATOR APPLICATIONS INFORMATION INTERFACING TO BLACKFIN DSP LAYOUT EVALUATING AD7915/AD7916 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE NOTES