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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD7676AST датащи(PDF) 2 Page - Analog Devices |
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AD7676AST датащи(HTML) 2 Page - Analog Devices |
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2 / 20 page  REV. 0 –2– AD7676–SPECIFICATIONS (–40 C to +85 C,AVDD=DVDD=5V,OVDD=2.7 V to 5.25 V, unless otherwise noted.) Parameter Conditions Min Typ Max Unit RESOLUTION 16 Bits ANALOG INPUT Voltage Range VIN+ – VIN– –VREF +VREF V Operating Input Voltage VIN+, VIN– to AGND –0.1 +3 V Analog Input CMRR fIN = 10 kHz 79 dB Input Current 500 kSPS Throughput 5 µA Input Impedance See Analog Input Section THROUGHPUT SPEED Complete Cycle 1 µs Throughput Rate 0 500 kSPS DC ACCURACY Integral Linearity Error –1 +1 LSB 1 No Missing Codes 16 Bits Transition Noise 0.35 LSB +Full-Scale Error 2 –22 +22 LSB –Full-Scale Error 2 –22 +22 LSB Zero Error 2 –8 +8 LSB Power Supply Sensitivity AVDD = 5 V ± 5% ±0.7 LSB AC ACCURACY Signal-to-Noise fIN = 20 kHz 92 94 dB 3 fIN = 45 kHz 94 dB 3 Spurious Free Dynamic Range fIN = 20 kHz 104.5 110 dB 3 fIN = 45 kHz 110 dB 3 Total Harmonic Distortion fIN = 20 kHz –110 –103.5 dB 3 fIN = 45 kHz –110 dB 3 Signal-to-(Noise+Distortion) fIN = 20 kHz 92 94 dB 3 fIN = 45 kHz 94 dB 3 fIN = 45 kHz, –60 dB Input 34 dB 3 –3 dB Input Bandwidth 3.9 MHz SAMPLING DYNAMICS Aperture Delay 2ns Aperture Jitter 5 ps rms Transient Response Full-Scale Step 750 µs REFERENCE External Reference Voltage Range 2.3 2.5 AVDD – 1.85 V External Reference Current Drain 500 kSPS Throughput 170 µA DIGITAL INPUTS Logic Levels VIL –0.3 +0.8 V VIH +2.0 OVDD + 0.3 V IIL –1 +1 µA IIH –1 +1 µA DIGITAL OUTPUTS Data Format Parallel or Serial 16-Bit Conversion Results Available Pipeline Delay Immediately After Completed Conversion VOL ISINK = 1.6 mA 0.4 V VOH ISOURCE = –100 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 5.25 V Operating Current 500 kSPS Throughput AVDD 9.5 mA DVDD 4 3.9 mA OVDD 4 37 µA Power Dissipation 4 500 kSPS Throughput 67 74 mW 100 SPS Throughput 15 µW In Power-Down Mode 5 7 µW TEMPERATURE RANGE 6 Specified Performance TMIN to TMAX –40 +85 °C NOTES 1LSB means Least Significant Bit. With the ±2.5 V input range, one LSB is 76.3 µV. 2See Definition of Specifications section. These specifications do not include the error contribution from the external reference. 3All specifications in dB are referred to a full-scale input FS. Tested with an input signal at 0.5 dB below full-scale unless otherwise specified. 4Tested in parallel reading mode. 5With all digital inputs forced to OVDD or OGND, respectively. 6Contact factory for extended temperature range. Specifications subject to change without notice. |
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