This design is for an 18-bit data acquisition block at 1MSPS throughput optimized for the lowest distortion and noise performance. The circuit is realized with an 18-bit successive-approximation-resistor (SAR) analog-to-digital converter (ADC), a fully differential input driver and a high precision reference and reference driver.
The design details the process for optimizing the precision front end drive circuit as well as the reference circuit to achieve excellent dynamic performance with the ADS8881 while consuming low power.
| Manufacturer | Texas Instruments |
|---|---|
| Category | Wired Communication |
| Sub-Category | Analog Front Ends (AFE) |
| Eval Board Part Number | 1512-1006-ND |
| Eval Board Supplier | American P.C.B Company |
| Eval Board |
Board not Stocked
|
| Input Type |
± 2.5 V
|
| Input Channels |
1
|
| Resolution (Bits) |
18 Bit
|
| Sampling Rate |
1 MSPS
|
| Analog Outputs |
- N/A
|
| Analog Output Type |
- N/A
|
| Features |
Fully Differential Input Driver
High Precision Reference |
| Component Count + Extras |
61 + 11
|
| Design Author |
Texas Instruments
|
| Main I.C. Base Part |
ADS8881
|
| Date Created By Author | |
| Date Added To Library | 2015-06 |
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