Overview
The ADS8168IRHBR, produced by Texas Instruments, is a 16-bit, 1-MSPS (Mega Samples Per Second), 8-channel Successive Approximation Register (SAR) analog-to-digital converter (ADC). This device is part of the ADS816x family and is designed for high-precision data acquisition. It operates from a single 5V supply and features a compact, low-power design, making it suitable for a variety of applications requiring multiple analog input channels.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Sampling Rate | 1 MSPS |
| Number of Channels | 8 |
| Package Type | VQFN (RHB) with 32 pins |
| Operating Temperature Range | -40°C to 125°C |
| AVDD Voltage Range | 3V to 5.5V |
| DVDD Voltage Range | 1.65V to 5.5V |
| External VREF Input Range | 2.5V to 5V |
| SNR | 92 dB |
| THD | -110 dB |
| INL | ±0.3 LSB, 16-bit no missing codes |
Key Features
- Compact low-power data acquisition system with integrated reference and buffer.
- MUX breakout enables single external driver amplifier for all eight analog inputs.
- Excellent AC and DC performance with high SNR and low THD.
- Multiplexer with channel sequencer supporting manual, on-the-fly, auto sequence, and custom channel sequencing modes.
- System monitoring features including per channel programmable window comparator and false trigger avoidance with programmable hysteresis.
- Enhanced-SPI digital interface with 1MSPS throughput and up to 50MHz SCLK.
- 0.5 × VREF output for analog input DC biasing.
Applications
The ADS8168IRHBR is suitable for various applications requiring high-precision, multi-channel data acquisition. These include industrial automation, medical devices, test and measurement equipment, and automotive systems. Its low power consumption and compact design make it ideal for applications where space and energy efficiency are critical.
Q & A
- What is the resolution of the ADS8168IRHBR?
The ADS8168IRHBR has a resolution of 16 bits. - What is the sampling rate of the ADS8168IRHBR?
The sampling rate is 1 MSPS. - How many analog input channels does the ADS8168IRHBR have?
The device has 8 analog input channels. - What is the operating temperature range of the ADS8168IRHBR?
The operating temperature range is -40°C to 125°C. - What is the voltage range for AVDD and DVDD?
AVDD ranges from 3V to 5.5V, and DVDD ranges from 1.65V to 5.5V. - What is the external VREF input range?
The external VREF input range is 2.5V to 5V. - What are the key performance metrics of the ADS8168IRHBR?
The key performance metrics include SNR of 92 dB, THD of -110 dB, and INL of ±0.3 LSB with no missing codes. - Does the ADS8168IRHBR support multiple channel sequencing modes?
Yes, it supports manual, on-the-fly, auto sequence, and custom channel sequencing modes. - What system monitoring features are available on the ADS8168IRHBR?
The device features per channel programmable window comparator and false trigger avoidance with programmable hysteresis. - What is the maximum SCLK frequency for the Enhanced-SPI digital interface?
The maximum SCLK frequency is 50 MHz.
