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AD7298-1BCPZ Datasheet(PDF) 3 Page - Analog Devices |
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AD7298-1BCPZ Datasheet(HTML) 3 Page - Analog Devices |
3 / 24 page AD7298-1 Rev. A | Page 3 of 24 SPECIFICATIONS VDD = 2.8 V to 3.6 V, VDRIVE = 1.65 V to 3.6 V, fSAMPLE = 1 MSPS, fSCLK = 20 MHz, VREF = 2.5 V internal, TA = −40°C to +125°C, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments DYNAMIC PERFORMANCE fIN = 50 kHz sine wave Signal-to-Noise Ratio (SNR)1 61 61.5 dB Signal-to-Noise-(and-Distortion) Ratio (SINAD)2 61 61.5 dB Total Harmonic Distortion (THD)2 −82 −75 dB Spurious-Free Dynamic Range (SFDR) −83 −76 dB Intermodulation Distortion (IMD) fA = 40.1 kHz, fB = 41.5 kHz Second-Order Terms −86 dB Third-Order Terms −86 dB Channel-to-Channel Isolation −90 dB fIN = 50 kHz, fNOISE = 60 kHz SAMPLE AND HOLD Aperture Delay3 12 ns Aperture Jitter3 40 ps Full Power Bandwidth 30 MHz At 3 dB 10 MHz At 0.1 dB DC ACCURACY Resolution 10 Bits Integral Nonlinearity (INL)2 ±0.25 ±0.5 LSB Differential Nonlinearity (DNL)2 ±0.3 ±0.5 LSB Guaranteed no missed codes to 10 bits Offset Error2 ±0.5 ±1.125 LSB Offset Error Matching2 ±0.625 ±1.125 LSB Offset Temperature Drift 4 ppm/°C Gain Error2 ±0.25 ±1 LSB Gain Error Matching2 ±0.16 ±0.625 LSB Gain Temperature Drift 0.5 ppm/°C ANALOG INPUT Input Voltage Ranges 0 VREF V DC Leakage Current ±0.01 ±1 μA Input Capacitance 32 pF When in track mode 8 pF When in hold mode REFERENCE INPUT/OUTPUT Reference Output Voltage4 2.4925 2.5 2.5075 V ±0.3% maximum at 25°C Long-Term Stability 150 ppm For 1000 hours Output Voltage Hysteresis 50 ppm Reference Input Voltage Range 1 2.5 V DC Leakage Current ±0.01 ±1 μA External reference applied to the VREF pin VREF Output Impedance 1 Ω VREF Temperature Coefficient 12 35 ppm/°C VREF Noise 60 μV rms Bandwidth = 10 MHz LOGIC INPUTS Input High Voltage, VINH 0.7 × VDRIVE V Input Low Voltage, VINL 0.3 × VDRIVE V Input Current, IIN ±0.01 ±1 μA VIN = 0 V or VDRIVE Input Capacitance, CIN3 3 pF |
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