Overview
The ADS8866IDGSR is a 16-bit, 100-kSPS (kilosamples per second), single-ended input, analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed for low-power, high-precision applications and features a SPI-compatible serial interface with daisy-chain capability. It operates with a wide range of supply voltages and reference inputs, making it versatile for various signal processing needs. The ADS8866IDGSR is available in VSSOP-10 and VSON-10 packages, ensuring compact integration into modern electronic systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 Bits | |||
| Sample Rate | 100 kSPS | |||
| Analog Supply Voltage (AVDD) | 2.7 | 3 | 3.6 | V |
| Digital Supply Voltage (DVDD) | 1.65 | 3 | 3.6 | V |
| Reference Voltage (VREF) | 2.5 | 5 | V | |
| Operating Temperature | -40 | 85 | °C | |
| Power Consumption at 100 kSPS | 0.7 mW | |||
| Power Consumption at 10 kSPS | 70 µW | |||
| Conversion Time | 500 | 8800 | ns | |
| Acquisition Time | 1200 ns | |||
| Integral Linearity (INL) | -2 | 2 | LSB | |
| Differential Linearity (DNL) | -1 | 1 | LSB | |
Key Features
- No latency output, ensuring real-time data processing.
- Unipolar, single-ended input range: 0 to +VREF.
- SPI-compatible serial interface with daisy-chain option for cascading multiple devices.
- Excellent AC and DC performance: SNR of 93 dB, THD of -108 dB, and low INL and DNL.
- Wide operating range for supply voltages and reference inputs.
- Low-power dissipation: 0.7 mW at 100 kSPS and 70 µW at 10 kSPS.
- Power-down current (AVDD): 50 nA.
- Full-scale step settling to 16-bit accuracy within 1200 ns.
- Available in VSSOP-10 and VSON-10 packages.
Applications
- Automatic test equipment (ATE).
- Instrumentation and process controls.
- Precision medical equipment.
- Low-power, battery-operated instruments.
Q & A
- What is the resolution of the ADS8866IDGSR ADC?
The resolution of the ADS8866IDGSR is 16 bits.
- What is the maximum sample rate of the ADS8866IDGSR?
The maximum sample rate is 100 kSPS.
- What are the operating voltage ranges for AVDD and DVDD?
AVDD operates from 2.7 V to 3.6 V, and DVDD operates from 1.65 V to 3.6 V.
- What is the range for the reference voltage (VREF)?
The reference voltage range is from 2.5 V to 5 V.
- What is the typical power consumption at 100 kSPS?
The typical power consumption at 100 kSPS is 0.7 mW.
- What is the acquisition time for the ADS8866IDGSR?
The acquisition time is 1200 ns.
- Does the ADS8866IDGSR support daisy-chain operation?
Yes, it supports daisy-chain operation for cascading multiple devices.
- What are the typical applications of the ADS8866IDGSR?
Typical applications include automatic test equipment, instrumentation and process controls, precision medical equipment, and low-power, battery-operated instruments.
- What are the package options for the ADS8866IDGSR?
The device is available in VSSOP-10 and VSON-10 packages.
- What is the operating temperature range for the ADS8866IDGSR?
The operating temperature range is from -40°C to +85°C.
