Datasheet AD7663 (Analog Devices) - 3

AD7663–SPECIFICATIONS (–40 (–40 C to +85 C to +85 C, AVDD = DVDD = 5 V, OVDD = 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 = 45 kHz 62 dB Input Impedance See Table I THROUGHPUT SPEED Complete Cycle 4 µs Throughput Rate 0 250 kSPS DC ACCURACY Integral Linearity Error –3 +3 LSB1 No Missing Codes 16 Bits Transition Noise 0.7 LSB Bipolar Zero Error2, TMIN to TMAX ±5 V Range –25 +25 LSB Other Range –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% ±0.1 LSB AC ACCURACY Signal-to-Noise fIN = 10 kHz 89 90 dB3 fIN = 100 kHz 90 dB Spurious-Free Dynamic Range fIN = 100 kHz 100 dB Total Harmonic Distortion fIN = 100 kHz –100 dB Signal-to-(Noise+Distortion) fIN = 10 kHz 88.5 90 dB fIN = 100 kHz, –60 dB Input 30 dB –3 dB Input Bandwidth 800 kHz SAMPLING DYNAMICS Aperture Delay 2 ns Aperture Jitter 5 ps rms Transient Response Full-Scale Step 2.75 µs REFERENCE External Reference Voltage Range 2.3 2.5 AVDD – 1.85 V External Reference Current Drain 250 kSPS Throughput 50 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 = –500 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 Current 250 kSPS Throughput AVDD 5 mA DVDD5 1.8 mA OVDD5 10 µA Power Dissipation6 250 kSPS Throughput5 35 41 mW 100 SPS Throughput5 15 µW In Power-Down Mode7 7 µW –2– REV. B Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PulSAR Selection FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDERING GUIDE PIN FUNCTION DESCRIPTION DEFINITION OF SPECIFICATIONS Integral Nonlinearity Error (INL) Differential Nonlinearity Error (DNL) Full-Scale Error Bipolar Zero Error Unipolar Zero Error Spurious-Free Dynamic Range (SFDR) Effective Number of Bits (ENOB) Total Harmonic Distortion (THD) Signal-to-Noise Ratio (SNR) Signal-to-(Noise + Distortion) Ratio (S/[N+D]) Aperture Delay Transient Response Typical Performance Characteristics CIRCUIT INFORMATION CONVERTER OPERATION Transfer Functions TYPICAL CONNECTION DIAGRAM Analog Inputs Driver Amplifier Choice Voltage Reference Input Scaler Reference Input (Bipolar Input Ranges) Power Supply POWER DISSIPATION CONVERSION CONTROL DIGITAL INTERFACE PARALLEL INTERFACE SERIAL INTERFACE MASTER SERIAL INTERFACE Internal Clock SLAVE SERIAL INTERFACE External Clock External Discontinuous Clock Data Read after Conversion External Clock Data Read during Conversion MICROPROCESSOR INTERFACING SPI Interface (MC68HC11) ADSP-21065L in Master Serial Interface APPLICATION HINTS Layout Evaluating the AD7663 Performance OUTLINE DIMENSIONS Revision History