Datasheet AD7655-EP (Analog Devices) - 3

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Enhanced Product AD7655-EP SPECIFICATIONS
AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V; VREF = 2.5 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 2. Parameter Conditions Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range VINx – VINxN 0 2 VREF V Common-Mode Input Voltage VINxN −0.1 +0.5 V Analog Input CMRR fIN = 100 kHz 55 dB Input Current 1 MSPS throughput 45 µA Input Impedance THROUGHPUT SPEED Complete Cycle (2 Channels) Normal mode 2 µs Throughput Rate Normal mode 0 1 MSPS Complete Cycle (2 Channels) Impulse mode 2.25 µs Throughput Rate Impulse mode 0 888 kSPS DC ACCURACY Integral Linearity Error1 −6 +6 LSB2 No Missing Codes 15 Bits Transition Noise 0.8 LSB Full-Scale Error TMIN to TMAX ±0.25 ±0.5 % of FSR Full-Scale Error Drift ±2 ppm/°C Unipolar Zero Error TMIN to TMAX ±0.25 % of FSR Unipolar Zero Error Drift ±0.8 ppm/°C Power Supply Sensitivity AVDD = 5 V ± 5% ±0.8 LSB AC ACCURACY Signal-to-Noise fIN = 100 kHz 86 dB3 Spurious-Free Dynamic Range fIN = 100 kHz 98 dB Total Harmonic Distortion fIN = 100 kHz −96 dB Signal-to-Noise and Distortion fIN = 100 kHz 86 dB fIN = 100 kHz, −60 dB input 30 dB Channel-to-Channel Isolation fIN = 100 kHz −92 dB −3 dB Input Bandwidth 10 MHz SAMPLING DYNAMICS Aperture Delay 2 ns Aperture Delay Matching 30 ps Aperture Jitter 5 ps rms Transient Response Full-scale step 250 ns REFERENCE External Reference Voltage Range 2.3 2.5 AVDD/2 V External Reference Current Drain 1 MSPS throughput 180 µA DIGITAL INPUTS Logic Levels VIL −0.3 +0.8 V VIH +2.0 DVDD + 0.3 V IIL −1 +1 µA IIH −1 +1 µA DIGITAL OUTPUTS Data Format4 Pipeline Delay5 VOL ISINK = 1.6 mA 0.4 V VOH ISOURCE = −500 µA OVDD − 0.2 V Rev. B | Page 3 of 12 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS OUTLINE DIMENSIONS ORDERING GUIDE