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AD7357BRUZ-500RL7 Datasheet(PDF) 3 Page - Analog Devices |
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AD7357BRUZ-500RL7 Datasheet(HTML) 3 Page - Analog Devices |
3 / 20 page Preliminary Technical Data AD7357 Rev. PrF | Page 3 of 20 SPECIFICATIONS VDD = 2.5 ± 10% V, VDRIVE = 2.25 V to 3.6 V, internal reference = 2.048 V, fSCLK = 80 MHz, fSAMPLE = 4.2 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) 78 dB Signal-to-Noise and Distortion (SINAD) 77 dB Total Harmonic Distortion (THD) TBD dB Spurious Free Dynamic Range (SFDR) TBD dB Intermodulation Distortion (IMD) fa = 1 MHz + 50 kHz, fb = 1 MHz – 50 kHz Second-Order Terms −84 dB Third-Order Terms −76 dB ADC-to-ADC Isolation −100 dB fIN = 1 MHz, fNOISE = 100 kHz to 2.5 MHz CMRR −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 110 MHz @ 3 dB 77 MHz @ 0.1 dB DC ACCURACY Resolution 14 Bits Integral Nonlinearity ±2 LSB Differential Nonlinearity ±0.99 LSB Guaranteed no missed codes to 14 bits Positive Full-Scale Error ±10 LSB Positive Full-Scale Error Match ±1 ±6 LSB Midscale Error ±10 LSB Midscale Error Match ±1 ±6 LSB Negative Full-Scale Error ±10 LSB Negative Full-Scale Error Match ±1 ±6 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 VREF Input Capacitance TBD pF When in track |
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