Overview
The ADS8686SIPZAR is a 16-channel, 16-bit analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the ADS8686S series and features a dual simultaneous-sampling architecture, allowing for the conversion of 8 pairs of channels simultaneously. It is designed with an integrated analog front-end, which includes input clamps, programmable gain amplifiers (PGAs), and low-pass filters. The ADS8686SIPZAR is highly configurable and supports various input ranges, making it suitable for a wide range of industrial and data acquisition applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 16 | - |
| Resolution | 16-bit | - |
| Sampling Rate | 1 MSPS | - |
| Analog Supply Voltage | 5 V | V |
| Digital Supply Voltage | 1.8 V to 5 V | V |
| Input Impedance | 1 MΩ | Ω |
| Input Ranges | ±10 V, ±5 V, ±2.5 V with 20% overrange | V |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | LQFP (PZA) with 80 pins | - |
Key Features
- 16-channel, 16-bit ADC with integrated analog front-end
- Dual simultaneous sampling: 8x2 channels
- Constant 1-MΩ input impedance front-end
- Independently programmable input ranges with 20% overrange
- Programmable low-pass filter options (15 kHz, 39 kHz, 376 kHz)
- Excellent DC and AC performance
- On-chip reference and reference buffer
- Overvoltage input clamp with 8-kV ESD protection
- Optional cyclic redundancy check (CRC) error checking
- On-chip self-diagnostic function
- Flexible digital interface supporting serial, parallel, and byte communication
Applications
- Multifunction relays
- Servo drive position sensors
- Analog input modules
- Data acquisition (DAQ) systems
- Industrial automation and control systems
Q & A
- What is the resolution and sampling rate of the ADS8686SIPZAR?
The ADS8686SIPZAR has a resolution of 16 bits and a sampling rate of 1 MSPS.
- What are the available input ranges for the ADS8686SIPZAR?
The device supports input ranges of ±10 V, ±5 V, and ±2.5 V with a 20% overrange option.
- What is the input impedance of the ADS8686SIPZAR?
The input impedance is constant at 1 MΩ.
- Does the ADS8686SIPZAR have built-in ESD protection?
Yes, it has an overvoltage input clamp with 8-kV ESD protection.
- What types of digital interfaces does the ADS8686SIPZAR support?
The device supports serial, parallel, and byte communication interfaces.
- What is the operating temperature range of the ADS8686SIPZAR?
The operating temperature range is from -40°C to +125°C.
- What package type is the ADS8686SIPZAR available in?
The device is available in an LQFP (PZA) package with 80 pins.
- Does the ADS8686SIPZAR have on-chip self-diagnostic capabilities?
Yes, it includes an on-chip self-diagnostic function.
- Can the ADS8686SIPZAR perform cyclic redundancy check (CRC) error checking?
Yes, CRC error checking is optional.
- What are some common applications of the ADS8686SIPZAR?
Common applications include multifunction relays, servo drive position sensors, analog input modules, and data acquisition (DAQ) systems.
