Overview
The ADS8860IDRCT, manufactured by Texas Instruments, is a 16-bit, 1-MSPS (mega-samples per second), single-ended input, analog-to-digital converter (ADC). This device is designed for high-performance and low-power applications, making it suitable for a variety of industrial and medical uses. The ADS8860 operates with a 2.5-V to 5-V external reference voltage, allowing for a wide selection of signal ranges without additional input signal scaling. The reference voltage setting is independent of, and can exceed, the analog supply voltage (AVDD).
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Sample Rate | 1 MHz |
| Input Type | Single-ended, unipolar |
| Input Range | 0 to +VREF |
| Analog Supply Voltage (AVDD) | 2.7 V to 3.6 V |
| Digital Supply Voltage (DVDD) | 1.65 V to 3.6 V (independent of AVDD) |
| Reference Voltage (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 |
| Packages | VSSOP-10 and VSON-10 |
| Serial Interface | SPI-compatible with daisy-chain option |
| AC and DC Performance | SNR: 93 dB, THD: –108 dB, INL: ±1.0 LSB (typ), ±2.0 LSB (max), DNL: ±1.0 LSB (max) |
Key Features
- No Latency Output: Ensures real-time data conversion without delay.
- SPI-compatible Serial Interface: Supports daisy-chain operation for cascading multiple devices and includes an optional busy-indicator bit for easy synchronization with the digital host.
- Low-Power Operation: Power consumption scales directly with speed, making it excellent for lower-speed applications.
- Wide Operating Range: Operates over a broad range of temperatures and supply voltages.
- Excellent AC and DC Performance: High signal-to-noise ratio (SNR) and low total harmonic distortion (THD) ensure high accuracy and precision.
- Compact Packages: Available in VSSOP-10 and VSON-10 packages, suitable for space-constrained designs.
Applications
- Automatic Test Equipment (ATE): Ideal for high-speed data acquisition and testing.
- Instrumentation and Process Controls: Used in precision measurement and control systems.
- Precision Medical Equipment: Suitable for medical devices requiring high accuracy and low power consumption.
- Low-Power, Battery-Operated Instruments: Optimized for devices that require minimal power consumption.
Q & A
- What is the resolution of the ADS8860IDRCT ADC?
The ADS8860IDRCT has a resolution of 16 bits.
- What is the maximum sample rate of the ADS8860IDRCT?
The maximum sample rate is 1 MHz.
- What type of input does the ADS8860IDRCT support?
The device supports single-ended, unipolar analog inputs.
- What is the range of the analog supply voltage (AVDD) for the ADS8860IDRCT?
The AVDD range is from 2.7 V to 3.6 V.
- How does the power consumption of the ADS8860IDRCT vary with speed?
Power consumption directly scales with the sample rate, making it efficient for lower-speed applications.
- What is the operating temperature range of the ADS8860IDRCT?
The device operates from –40°C to +85°C.
- What is the typical power-down current of the ADS8860IDRCT?
The power-down current is 50 nA.
- Does the ADS8860IDRCT support daisy-chain operation?
Yes, it supports daisy-chain operation through its SPI-compatible serial interface.
- What are the available packages for the ADS8860IDRCT?
The device is available in VSSOP-10 and VSON-10 packages.
- What are some typical applications of the ADS8860IDRCT?
It is used in automatic test equipment, instrumentation and process controls, precision medical equipment, and low-power, battery-operated instruments.
