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![ADS8661 ADS8665 DC Histogram for Mid-Scale Inputs (±12.288 V) GUID-1CDEBC30-1EAA-47C2-948A-67B56230F5F7-low.gif](/ods/images/JAJSCU6B/GUID-1CDEBC30-1EAA-47C2-948A-67B56230F5F7-low.gif)
Mean = 2046, sigma = 0, input = 0 V |
Figure 6-13 DC Histogram for Mid-Scale Inputs (±12.288 V)![ADS8661 ADS8665 DC Histogram for Mid-Scale Inputs (±6.144 V) GUID-C67A6912-F31D-4188-A6F4-0733F1E86CC6-low.gif](/ods/images/JAJSCU6B/GUID-C67A6912-F31D-4188-A6F4-0733F1E86CC6-low.gif)
Mean = 2046, sigma = 0, input = 0 V |
Figure 6-15 DC Histogram for Mid-Scale Inputs (±6.144 V)![ADS8661 ADS8665 DC Histogram for Mid-Scale Inputs (±2.56 V) GUID-E33E781E-E616-4FEE-A041-91FA0A6379B0-low.gif](/ods/images/JAJSCU6B/GUID-E33E781E-E616-4FEE-A041-91FA0A6379B0-low.gif)
Mean = 2046, sigma = 0, input = 0 V |
Figure 6-17 DC Histogram for Mid-Scale Inputs (±2.56 V)![ADS8661 ADS8665 DC Histogram for Mid-Scale Inputs (0 V–10.24 V) GUID-CAFB5398-09EC-486B-8E4D-F4936A796C20-low.gif](/ods/images/JAJSCU6B/GUID-CAFB5398-09EC-486B-8E4D-F4936A796C20-low.gif)
Mean = 2045, sigma = 0, input = 5.12 V |
Figure 6-19 DC Histogram for Mid-Scale Inputs (0 V–10.24 V)![ADS8661 ADS8665 DC Histogram for Mid-Scale Inputs (0 V–5.12 V) GUID-4CEDAA49-C5B5-4F2E-BA00-C6E32BB0249F-low.gif](/ods/images/JAJSCU6B/GUID-4CEDAA49-C5B5-4F2E-BA00-C6E32BB0249F-low.gif)
Mean = 2046, sigma = 0, 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![ADS8661 ADS8665 Typical FFT Plot (All Ranges) for the ADS8661 GUID-C90D0E65-4816-423D-88B1-49CC0F8467C9-low.gif](/ods/images/JAJSCU6B/GUID-C90D0E65-4816-423D-88B1-49CC0F8467C9-low.gif)
Number of points = 64k, fIN = 1 kHz |
Figure 6-33 Typical FFT Plot (All Ranges) for the ADS8661
Figure 6-35 SNR vs Input Frequency
Figure 6-37 SINAD vs Input Frequency
Figure 6-39 THD vs Input Frequency
Figure 6-41 AVDD Current vs Temperature
Figure 6-43 AVDD Current vs Temperature (During Sampling)
Figure 6-45 AVDD Current vs Temperature (Power-Down Mode)
Figure 6-10 Input I-V Characteristic Across Temperature
Figure 6-12 Typical Distribution of Input Impedance![ADS8661 ADS8665 DC Histogram for Mid-Scale Inputs (±10.24 V) GUID-34F87528-D45C-463F-AE37-589D4DF4F36D-low.gif](/ods/images/JAJSCU6B/GUID-34F87528-D45C-463F-AE37-589D4DF4F36D-low.gif)
Mean = 2046, sigma = 0, input = 0 V |
Figure 6-14 DC Histogram for Mid-Scale Inputs (±10.24 V)![ADS8661 ADS8665 DC Histogram for Mid-Scale Inputs (±5.12 V) GUID-DB9F052E-4F55-4987-86E8-9F38C9DDF473-low.gif](/ods/images/JAJSCU6B/GUID-DB9F052E-4F55-4987-86E8-9F38C9DDF473-low.gif)
Mean = 2046, sigma = 0, input = 0 V |
Figure 6-16 DC Histogram for Mid-Scale Inputs (±5.12 V)![ADS8661 ADS8665 DC Histogram for Mid-Scale Inputs (0 V–12.288 V) GUID-18F1A7F5-A580-4834-ACF3-8C105B874C00-low.gif](/ods/images/JAJSCU6B/GUID-18F1A7F5-A580-4834-ACF3-8C105B874C00-low.gif)
Mean = 2049, sigma = 0, input = 6.144 V |
Figure 6-18 DC Histogram for Mid-Scale Inputs (0 V–12.288 V)![ADS8661 ADS8665 DC Histogram for Mid-Scale Inputs (0 V–6.144 V) GUID-6308C5CF-911D-49E2-9B84-1F4A6D776569-low.gif](/ods/images/JAJSCU6B/GUID-6308C5CF-911D-49E2-9B84-1F4A6D776569-low.gif)
Mean = 2045, sigma = 0, 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)![ADS8661 ADS8665 Typical FFT Plot (All Ranges) for the ADS8665 GUID-D0B71BC4-6C9E-4FAE-8EAC-651048CAF194-low.gif](/ods/images/JAJSCU6B/GUID-D0B71BC4-6C9E-4FAE-8EAC-651048CAF194-low.gif)
Number of points = 64k, fIN = 1 kHz |
Figure 6-34 Typical FFT Plot (All Ranges) for the ADS8665
Figure 6-36 SNR vs Temperature
Figure 6-38 SINAD vs Temperature
Figure 6-40 THD vs Temperature
Figure 6-42 AVDD Current vs Throughput
Figure 6-44 AVDD Current vs Temperature (Standby Mode)