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AD7687BRMZ 数据表(PDF) 3 Page - Analog Devices |
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AD7687BRMZ 数据表(HTML) 3 Page - Analog Devices |
3 / 28 page Data Sheet AD7687 Rev. B | Page 3 of 28 SPECIFICATIONS VDD = 2.3 V to 5.5 V, VIO = 2.3 V to VDD, VREF = VDD, TA = –40°C to +85°C, unless otherwise noted. Table 2. Parameter Conditions Min Typ Max Unit RESOLUTION 16 Bits ANALOG INPUT Voltage Range IN+ − IN− −VREF +VREF V Absolute Input Voltage IN+, IN− −0.1 VREF + 0.1 V Common-Mode Input Range IN+, IN− 0 VREF/2 VREF/2 + 0.1 V Analog Input CMRR fIN = 250 kHz 65 dB Leakage Current at 25°C Acquisition phase 1 nA Input Impedance See the Analog Input section ACCURACY No Missing Codes 16 Bits Differential Linearity Error −1 ±0.4 +1 LSB1 Integral Linearity Error −1.5 ±0.4 +1.5 LSB Transition Noise REF = VDD = 5 V 0.35 LSB Gain Error2, TMIN to TMAX ±2 ±6 LSB Gain Error Temperature Drift ±0.3 ppm/°C Offset Error2, TMIN to TMAX VDD = 4.5 V to 5.5 V ±0.1 ±1.6 mV VDD = 2.3 V to 4.5 V ±0.7 ±3.5 mV Offset Temperature Drift ±0.3 ppm/°C Power Supply Sensitivity VDD = 5 V ± 5% ±0.05 LSB THROUGHPUT Conversion Rate VDD = 4.5 V to 5.5 V 0 250 kSPS VDD = 2.3 V to 4.5 V 0 200 kSPS Transient Response Full-scale step 1.8 μs AC ACCURACY Dynamic Range VREF = 5 V 95.8 96.5 dB3 Signal-to-Noise fIN = 20 kHz, VREF = 5 V 94 95.5 dB fIN = 20 kHz, VREF = 2.5 V 92 92.5 dB Spurious-Free Dynamic Range fIN = 20 kHz −118 dB Total Harmonic Distortion fIN = 20 kHz −118 dB Signal-to-(Noise + Distortion) fIN = 20 kHz, VREF = 5 V 94 95.5 dB fIN = 20 kHz, VREF = 5 V, −60 dB input 36.5 dB fIN = 20 kHz, VREF = 2.5 V 92 92.5 dB Intermodulation Distortion4 115 dB 1 LSB means least significant bit. With the ±5 V input range, one LSB is 152.6 μV. 2 See the Terminology section. These specifications do include full temperature range variation but do not include the error contribution from the external reference. 3 All specifications in dB are referred to a full-scale input FSR. Tested with an input signal at 0.5 dB below full-scale, unless otherwise specified. 4 fIN1 = 21.4 kHz, fIN2 = 18.9 kHz, each tone at −7 dB below full-scale. |
类似零件编号 - AD7687BRMZ |
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类似说明 - AD7687BRMZ |
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