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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD7352 датащи(PDF) 3 Page - Analog Devices |
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AD7352 датащи(HTML) 3 Page - Analog Devices |
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3 / 20 page  AD7352 Rev. 0 | Page 3 of 20 SPECIFICATIONS VDD = 2.5 V ± 10%, VDRIVE = 2.25 V to 3.6 V, internal reference = 2.048 V, fSCLK = 48 MHz, fSAMPLE = 3 MSPS, TA = TMIN to TMAX1, unless otherwise noted. Table 2. Parameter Min Typ Max Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 1 MHz sine wave Signal-to-Noise Ratio (SNR)2 70 71.5 dB Signal-to-(Noise and Distortion) (SINAD)2 69.5 71 dB Total Harmonic Distortion (THD)2 −84 −77.5 dB Spurious Free Dynamic Range (SFDR)2 −85 −78.5 dB Intermodulation Distortion (IMD)2 fa = 1 MHz + 50 kHz, fb = 1 MHz − 50 KHz Second-Order Terms −84 dB Third-Order Terms −76 dB ADC-to-ADC Isolation2 −100 dB fIN = 1 MHz, fNOISE = 100 kHz to 2.5 MHz CMRR2 −100 dB fNOISE = 100 kHz to 2.5 MHz SAMPLE AND HOLD Aperture Delay 3.5 ns Aperture Delay Match 40 ps Aperture Jitter 16 ps Full Power Bandwidth @ 3 dB 110 MHz @ 0.1 dB 77 MHz DC ACCURACY Resolution 12 Bits Integral Nonlinearity (INL)2 ±0.4 ±1 LSB Differential Nonlinearity (DNL)2 ±0.5 ±0.99 LSB Guaranteed no missed codes to 12 bits Positive Full-Scale Error2 ±1 ±6 LSB Positive Full-Scale Error Match2 ±2 ±8 LSB Midscale Error2 +5 0/+11 LSB Midscale Error Match2 ±2 ±8 LSB Negative Full-Scale Error2 ±1 ±6 LSB Negative Full-Scale Error Match2 ±2 ±8 LSB ANALOG INPUT Fully Differential Input Range (VIN+ and VIN−) VCM ± VREF/2 V VCM = common-mode voltage, VIN+ and VIN− must remain within GND and VDD Common-Mode Voltage Range 0.5 1.9 V The voltage around which VIN+ and VIN− are centered DC Leakage Current ±0.5 ±5 μA Input Capacitance 32 pF When in track mode 8 pF When in hold mode REFERENCE INPUT/OUTPUT VREF Input Voltage Range 2.048 + 0.1 VDD V VREF Input Current 0.3 0.45 mA When in reference overdrive mode VREF Output Voltage 2.038 2.058 V 2.048 V ± 0.5% max @ VDD = 2.5 V ± 5% 2.043 2.053 V 2.048 V ± 0.25% max @ VDD = 2.5 V ± 5% and 25°C VREF Temperature Coefficient 6 20 ppm/°C VREF Long Term Stability 100 ppm For 1000 hours VREF Thermal Hysteresis2 50 ppm VREF Noise 60 μV rms VREF Output Impedance 1 Ω |
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