Datasheet AD7665 (Analog Devices) - 3

AD7665–SPECIFICATIONS (–40 C to +85 C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.) Parameter Conditions Min Typ Max Unit
RESOLUTION 16 Bits ANALOG INPUT Voltage Range VIND – VINGND ±4 REF, 0 V to 4 REF, ±2 REF (See Table I) Common-Mode Input Voltage VINGND –0.1 +0.5 V Analog Input CMRR fIN = 180 kHz 62 dB Input Impedance See Table I THROUGHPUT SPEED Complete Cycle In Warp Mode 1.75 µs Throughput Rate In Warp Mode 1 570 kSPS Time between Conversions In Warp Mode 1 ms Complete Cycle In Normal Mode 2 µs Throughput Rate In Normal Mode 0 500 kSPS Complete Cycle In Impulse Mode 2.25 µs Throughput Rate In Impulse Mode 0 444 kSPS DC ACCURACY Integral Linearity Error –2.5 +2.5 LSB1 No Missing Codes 16 Bits Transition Noise 0.7 LSB Bipolar Zero Error2, TMIN to TMAX ±5 V Range, Normal or –25 +25 LSB Impulse Modes Other Range or Mode –0.06 +0.06 % of FSR Bipolar Full-Scale Error2, TMIN to TMAX –0.25 +0.25 % of FSR Unipolar Zero Error2, TMIN to TMAX –0.18 +0.18 % of FSR Unipolar Full-Scale Error2, TMIN to TMAX –0.38 +0.38 % of FSR Power Supply Sensitivity AVDD = 5 V ±5% ±9.5 LSB AC ACCURACY Signal-to-Noise fIN = 10 kHz 89 90 dB3 fIN = 180 kHz 90 dB Spurious-Free Dynamic Range fIN = 180 kHz 100 dB Total Harmonic Distortion fIN = 180 kHz –100 dB Signal-to-(Noise+Distortion) fIN = 10 kHz 88.5 90 dB fIN = 180 kHz, –60 dB Input 30 dB –3 dB Input Bandwidth 3.6 MHz SAMPLING DYNAMICS Aperture Delay 2 ns Aperture Jitter 5 ps rms Transient Response Full-Scale Step 1 µs REFERENCE External Reference Voltage Range 2.3 2.5 AVDD – 1.85 V External Reference Current Drain 570 kSPS Throughput 114 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 Format Parallel or Serial 16-Bit Pipeline Delay Conversion Results Available Immediately after Completed Conversion VOL ISINK = 1.6 mA 0.4 V VOH ISOURCE = –570 µA OVDD – 0.6 V POWER SUPPLIES Specified Performance AVDD 4.75 5 5.25 V DVDD 4.75 5 5.25 V OVDD 2.7 5.254 V Operating Current5 570 kSPS Throughput AVDD 14 mA DVDD6 4.5 mA OVDD6 20 µA REV. –2– C