at TA = 25°C, AVDD = 5 V, DVDD = 3 V, VREF = 4.096 V (internal), and maximum throughput (unless otherwise noted)
Figure 6-9 Input I-V Characteristic Across Input Ranges
Figure 6-11 Input Impedance Drift vs Temperature![DC Histogram for Mid-Scale Inputs (±12.288 V) GUID-0A4F5B8B-43AF-49FC-B4E4-BAB2C45979A2-low.gif](/ods/images/JAJSD74E/GUID-0A4F5B8B-43AF-49FC-B4E4-BAB2C45979A2-low.gif)
Mean = 32768.24, sigma = 0.57, input = 0 V |
Figure 6-13 DC Histogram for Mid-Scale Inputs (±12.288 V)![DC Histogram for Mid-Scale Inputs (±6.144 V) GUID-C927CA32-8F57-4CAD-A7DD-27A70FED5F96-low.gif](/ods/images/JAJSD74E/GUID-C927CA32-8F57-4CAD-A7DD-27A70FED5F96-low.gif)
Mean = 32768.21, sigma = 0.62, input = 0 V |
Figure 6-15 DC Histogram for Mid-Scale Inputs (±6.144 V)![DC Histogram for Mid-Scale Inputs (±2.56 V) GUID-7C91A801-37E2-4C51-99DE-6002771B7034-low.gif](/ods/images/JAJSD74E/GUID-7C91A801-37E2-4C51-99DE-6002771B7034-low.gif)
Mean = 32768.22, sigma = 0.75, input = 0 V |
Figure 6-17 DC Histogram for Mid-Scale Inputs (±2.56 V)![DC Histogram for Mid-Scale Inputs (0 V–10.24 V) GUID-0E08B622-80A0-4C3C-9C43-20AA8231C26E-low.gif](/ods/images/JAJSD74E/GUID-0E08B622-80A0-4C3C-9C43-20AA8231C26E-low.gif)
Mean = 32768.41, sigma = 0.62, input = 5.12 V |
Figure 6-19 DC Histogram for Mid-Scale Inputs (0 V–10.24 V)![DC Histogram for Mid-Scale Inputs (0 V–5.12 V) GUID-7548141B-8CE7-41E2-A2A0-2516082E614A-low.gif](/ods/images/JAJSD74E/GUID-7548141B-8CE7-41E2-A2A0-2516082E614A-low.gif)
Mean = 32768.32, sigma = 0.78, input = 2.56 V |
Figure 6-21 DC Histogram for Mid-Scale Inputs (0 V–5.12 V)
Figure 6-23 DNL vs Temperature
Figure 6-25 Typical INL for All Codes (All Unipolar Ranges)
Figure 6-27 INL vs Temperature (All Unipolar Ranges)
Figure 6-29 Typical Histogram for Offset Drift
Figure 6-31 Typical Histogram for Gain Error Drift![Typical FFT Plot (All Ranges) for the ADS8681 GUID-282A90C0-1219-44C9-B22F-4B88F6E29AD8-low.gif](/ods/images/JAJSD74E/GUID-282A90C0-1219-44C9-B22F-4B88F6E29AD8-low.gif)
Number of points = 64k, fIN = 1 kHz |
Figure 6-33 Typical FFT Plot (All Ranges) for the ADS8681![Typical FFT Plot (All Ranges) for the ADS8689 GUID-384390B4-04C6-450D-A98A-61CF611AB366-low.gif](/ods/images/JAJSD74E/GUID-384390B4-04C6-450D-A98A-61CF611AB366-low.gif)
Number of points = 64k, fIN = 1 kHz |
Figure 6-35 Typical FFT Plot (All Ranges) for the ADS8689
Figure 6-37 SNR vs Temperature
Figure 6-39 SINAD vs Temperature
Figure 6-41 THD vs Temperature
Figure 6-43 AVDD Current vs Throughput
Figure 6-45 AVDD Current vs Temperature (Standby Mode)
Figure 6-10 Input I-V Characteristic Across Temperature
Figure 6-12 Typical Distribution of Input Impedance![DC Histogram for Mid-Scale Inputs (±10.24 V) GUID-7CBA3A20-8992-4515-A4CA-CD28BD77B032-low.gif](/ods/images/JAJSD74E/GUID-7CBA3A20-8992-4515-A4CA-CD28BD77B032-low.gif)
Mean = 32767.24, sigma = 0.56, input = 0 V |
Figure 6-14 DC Histogram for Mid-Scale Inputs (±10.24 V)![DC Histogram for Mid-Scale Inputs (±5.12 V) GUID-CB5C45B3-E06A-4312-8B8E-519F92D4D0B2-low.gif](/ods/images/JAJSD74E/GUID-CB5C45B3-E06A-4312-8B8E-519F92D4D0B2-low.gif)
Mean = 32768.11, sigma = 0.62, input = 0 V |
Figure 6-16 DC Histogram for Mid-Scale Inputs (±5.12 V)![DC Histogram for Mid-Scale Inputs (0 V–12.288 V) GUID-9060C8FE-03CD-4C43-9CE1-8695DB77B1F6-low.gif](/ods/images/JAJSD74E/GUID-9060C8FE-03CD-4C43-9CE1-8695DB77B1F6-low.gif)
Mean = 32767.73, sigma = 0.60, input = 6.144 V |
Figure 6-18 DC Histogram for Mid-Scale Inputs (0 V–12.288 V)![DC Histogram for Mid-Scale Inputs (0 V–6.144 V) GUID-2542990B-3667-4147-A6D9-9D9BD7D9AAAA-low.gif](/ods/images/JAJSD74E/GUID-2542990B-3667-4147-A6D9-9D9BD7D9AAAA-low.gif)
Mean = 32768.42, sigma = 0.76, input = 3.072 V |
Figure 6-20 DC Histogram for Mid-Scale Inputs (0 V–6.144 V)
Figure 6-22 Typical DNL for All Codes
Figure 6-24 Typical INL for All Codes (All Bipolar Ranges)
Figure 6-26 INL vs Temperature (All Bipolar Ranges)
Figure 6-28 Offset Error vs Temperature Across Input Ranges
Figure 6-30 Gain Error vs Temperature Across Input Ranges
Figure 6-32 Gain Error vs External Resistance (REXT)![Typical FFT Plot (All Ranges) for the ADS8685 GUID-E26D7F45-830C-447E-8A46-51EAE04143DE-low.gif](/ods/images/JAJSD74E/GUID-E26D7F45-830C-447E-8A46-51EAE04143DE-low.gif)
Number of points = 64k, fIN = 1 kHz |
Figure 6-34 Typical FFT Plot (All Ranges) for the ADS8685
Figure 6-36 SNR vs Input Frequency
Figure 6-38 SINAD vs Input Frequency
Figure 6-40 THD vs Input Frequency
Figure 6-42 AVDD Current vs Temperature
Figure 6-44 AVDD Current vs Temperature (During Sampling)
Figure 6-46 AVDD Current vs Temperature (Power-Down Mode)