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AD7766 Datasheet(PDF) 3 Page - Analog Devices |
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AD7766 Datasheet(HTML) 3 Page - Analog Devices |
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3 / 18 page  Preliminary Technical Data AD7766 Rev. PrD | Page 3 of 18 AD7766/AD7766-1/AD7766-2—SPECIFICATIONS Table 2. AVDD = DVDD = 2.5 V ± 5%, VDRIVE = 1.8 V to 3.6 V, VREF = 5 V, MCLK = 1MHz, TA = -40°C to +105°C, unless otherwise noted Parameter Test Conditions/Comments Specifcation Unit OUTPUT DATA RATE AD7766 Decimate × 8 125 KHz max AD7766-1 Decimate × 16 62.5 KHz max AD7766-2 Decimate × 32 31.25 KHz max ANALOG INPUT1 Differential Input Voltage Vin(+) – Vin(-) ±VREF V pk-pk Absolute Input Voltage Vin(+) Vin(-) -0.1 | +VREF + 0.1 -0.1 | +VREF + 0.1 V min | max Common mode Input Voltage VREF/2 ± 0.1 V Input Capacitance pF typ Differential Input Impedance Ohms DYNAMIC PERFORMANCE AD7766 Decimate by 8, ODR = 125 ksps Dynamic Range2 Shorted inputs dB typ Signal to Noise Ratio (SNR)2 108 dB typ Spurious Free Dynamic Range (SFDR)2 TBD dBFS typ Total Harmonic Distortion (THD) 2 -96 dB max Intermodulation Distortion (IMD) 2 TBD dB typ AD7766-1 Decimate by 16, ODR = 62.5 ksps Dynamic Range2 Shorted inputs dB typ Signal to Noise Ratio (SNR)2 111 dB typ Spurious Free Dynamic Range2 (SFDR) TBD dBFS typ Total Harmonic Distortion (THD) 2 -96 dB max Intermodulation Distortion (IMD) 2 TBD dB typ AD7766-2 Decimate by 32, ODR = 31.25 ksps Dynamic Range2 Shorted inputs dB typ Signal to Noise Ratio (SNR) 2 114 dB typ Spurious Free Dynamic Range (SFDR)2 TBD dBFS typ Total Harmonic Distortion (THD) 2 -96 dB max Intermodulation Distortion (IMD) 2 TBD dB typ DC ACCURACY1 Resolution No Missing Codes 24 Bits Differential Nonlinearity2 Guaranteed monotonic to 24 bits Integral Nonlinearity2 16 bit linearity 15 ppm Zero Error2 TBD % typ Gain Error2 TBD % typ Zero Error Drift2 ±25 nV/°C typ Gain Error Drift2 ±0.3 ppm/°C typ Power Supply Rejection2 f = 50Hz, 60Hz TBD dB typ Common mode rejection2 TBD dB DIGITAL FILTER RESPONSE1 Group Delay 37/ODR µs typ Settling time (latency) Complete Settling 74/ODR µs typ Passband ripple ±0.005 dB max Passband TBD Hz -3dB bandwidth TBD Hz Stopband TBD Hz Stopband Attenuation 100 dB min |
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