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AD7988-1BRMZ 数据表(PDF) 3 Page - Analog Devices |
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AD7988-1BRMZ 数据表(HTML) 3 Page - Analog Devices |
3 / 24 page Data Sheet AD7988-1/AD7988-5 Rev. C | Page 3 of 24 SPECIFICATIONS VDD = 2.5 V, VIO = 2.3 V to 5.5 V, VREF = 5 V, TA = –40°C to +125°C, unless otherwise noted. Table 2. Parameter Test Conditions/Comments Min Typ Max Unit RESOLUTION 16 Bits ANALOG INPUT Voltage Range IN+ − IN− 0 V REF V Absolute Input Voltage IN+ −0.1 V REF + 0.1 V IN− −0.1 +0.1 V Analog Input CMRR f IN = 1 kHz 60 dB Leakage Current at 25°C Acquisition phase 1 nA Input Impedance See the Analog Inputs section ACCURACY No Missing Codes 16 Bits Differential Linearity Error V REF = 5 V −0.9 ±0.4 +0.9 LSB1 V REF = 2.5 V ±0.55 LSB1 Integral Linearity Error V REF = 5 V −1.25 ±0.6 +1.25 LSB1 V REF = 2.5 V ±0.65 LSB1 Transition Noise V REF = 5 V 0.6 LSB1 V REF = 2.5 V 1.0 LSB1 Gain Error, T MIN to TMAX 2 ±2 LSB1 Gain Error Temperature Drift ±0.35 ppm/°C Zero Error, T MIN to TMAX 2 −0.5 ±0.08 +0.5 mV Zero Temperature Drift 0.54 ppm/°C Power Supply Sensitivity VDD = 2.5 V ± 5% ±0.1 LSB1 THROUGHPUT AD7988-1 Conversion Rate VIO ≥ 2.3 V up to 85°C, VIO ≥ 3.3 V above 85°C up to 125°C 0 100 kSPS Transient Response Full-scale step 500 ns AD7988-5 Conversion Rate VIO ≥ 2.3 V up to 85°C, VIO ≥ 3.3 V above 85°C up to 125°C 0 500 kSPS Transient Response Full-scale step 400 ns AC ACCURACY Dynamic Range V REF = 5 V 92 dB3 V REF = 2.5 V 87 dB3 Oversampled Dynamic Range f O = 10 kSPS 111 dB3 Signal-to-Noise Ratio, SNR f IN = 10 kHz, VREF = 5 V 90 91 dB3 f IN = 10 kHz, VREF = 2.5 V 86.5 dB3 Spurious-Free Dynamic Range, SFDR f IN = 10 kHz −110 dB3 Total Harmonic Distortion, THD f IN = 10 kHz −114 dB3 Signal-to-(Noise + Distortion), SINAD f IN = 10 kHz, VREF = 5 V 91.5 dB3 f IN = 10 kHz, VREF = 2.5 V 87.0 dB3 1 LSB means least significant bit. With the 5 V input range, 1 LSB is 76.3 µV. 2 See the Terminology section. These specifications include full temperature range variation, but not 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. |
类似零件编号 - AD7988-1BRMZ |
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类似说明 - AD7988-1BRMZ |
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