SBAS813 June 2018 ADS8688AT
PRODUCTION DATA.
Table 29 summarizes the performance for this design.
SERIAL NUMBER | PARAMETER | INPUT RANGE | ADS8688AT SPECIFICATION | MEASURED RESULT |
---|---|---|---|---|
1 | SNR (dB) | ±10 V | 90 dB (min) | 90.85 dB |
0 V 10 V | 88.5 dB (min) | 89.52 dB | ||
0 V to 5 V | 87.5 dB (min) | 88.48 dB | ||
2 | ENOB (Bits) | ±10 V | 14.66 | 14.80 |
0 V 10 V | 14.41 | 14.58 | ||
0 V to 5 V | 14.24 | 14.41 | ||
3 | Maximum INL (LSB) | ±10 V | 2 | 1.77 |
0 V 10 V | 2 | 1.64 | ||
0 V to 5 V | 2 | 1.35 | ||
4 | Minimum INL (LSB) | ±10 V | –2 | –1.47 |
0 V 10 V | –2 | –1.36 | ||
0 V to 5 V | –2 | –1.37 |
Figure 123 shows the accuracy performance for this design for the ±10.24-V input range.
For a step-by-step design procedure, circuit schematics, bill of materials, PCB files, simulation results, and test results, see 16-Bit, 8-Channel, Integrated Analog Input Module for Programmable Logic Controllers (PLCs). |