Overview
The ADS8860IDGS is a 16-bit, 1-MSPS (mega-samples per second), single-ended input analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed to operate with a wide range of external reference voltages (2.5 V to 5 V) and offers excellent AC and DC performance. The ADS8860IDGS is optimized for low-power operation, making it suitable for various applications requiring high precision and low energy consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Sample Rate | 1 MSPS |
| Input Type | Single-ended |
| Input Range | 0 to +VREF |
| AVDD | 2.7 V to 3.6 V |
| DVDD | 1.65 V to 3.6 V (independent of AVDD) |
| REF | 2.5 V to 5 V (independent of AVDD) |
| Operating Temperature | –40°C to +85°C |
| Power Consumption | 5.5 mW at 1 MSPS, 0.55 mW at 100 kSPS, 55 µW at 10 kSPS |
| Power-down Current (AVDD) | 50 nA |
| Full-scale Step Settling Time | 290 ns |
| Package | VSSOP-10, VSON-10 |
Key Features
- SPI™-compatible serial interface with daisy-chain option for cascading multiple devices.
- No latency output.
- Excellent AC and DC performance: SNR of 93 dB, THD of –108 dB, INL of ±1.0 LSB (typ), ±2.0 LSB (max), and DNL of ±1.0 LSB (max).
- Low-power dissipation with power consumption scaling directly with speed.
- Optional busy-indicator bit for easy synchronization with the digital host.
- Supports unipolar single-ended analog inputs in the range of –0.1 V to VREF + 0.1 V.
Applications
The ADS8860IDGS is suitable for a variety of applications that require high precision and low power consumption, such as:
- Industrial automation and control systems.
- Medical devices, including patient monitoring and diagnostic equipment.
- Aerospace and defense systems where low power and high accuracy are critical.
- Automotive systems, particularly in safety and control applications.
- Test and measurement equipment where precision and low noise are essential.
Q & A
- What is the resolution of the ADS8860IDGS?
The ADS8860IDGS has a resolution of 16 bits. - What is the maximum sample rate of the ADS8860IDGS?
The maximum sample rate is 1 MSPS. - What type of input does the ADS8860IDGS support?
The device supports single-ended analog inputs. - What is the operating temperature range of the ADS8860IDGS?
The operating temperature range is –40°C to +85°C. - How does the power consumption of the ADS8860IDGS vary with sample rate?
The power consumption scales directly with the sample rate, with 5.5 mW at 1 MSPS, 0.55 mW at 100 kSPS, and 55 µW at 10 kSPS. - What is the full-scale step settling time of the ADS8860IDGS?
The full-scale step settling time is 290 ns. - Does the ADS8860IDGS support daisy-chain operation?
Yes, it supports daisy-chain operation for cascading multiple devices. - What is the power-down current of the ADS8860IDGS?
The power-down current (AVDD) is 50 nA. - What are the package options for the ADS8860IDGS?
The device is available in VSSOP-10 and VSON-10 packages. - What is the input range of the ADS8860IDGS?
The input range is from 0 to +VREF.
