Overview
The ADS8339IDGSR is a 16-bit, 250-kSPS (kilosamples per second), analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the ADS8339 family and is optimized for low-power operation, making it suitable for a variety of applications requiring high precision and low energy consumption. The ADS8339IDGSR features a successive-approximation register (SAR) architecture with an inherent sample-and-hold circuit, ensuring high accuracy and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Sample Rate | 250 kSPS | |
| Input Range | 0 V to Vref (unipolar single-ended) | |
| Reference Voltage Range | 2.25 V to 5.5 V | V |
| Analog Supply Voltage Range | 4.5 V to 5.5 V | V |
| Digital I/O Supply Voltage Range | 2.375 V to 5 V | V |
| Signal-to-Noise Ratio (SNR) | 93.6 dB (typ) at 10-kHz input | dB |
| Total Harmonic Distortion (THD) | -106 dB (typ) at 10-kHz input | dB |
| Integral Nonlinearity (INL) | ±2.0 LSB (max) | LSB |
| Differential Nonlinearity (DNL) | ±1.0 LSB (max) | LSB |
| Power Consumption at 250 kSPS | 17.5 mW (typ) | mW |
| Power Consumption at 25 kSPS | 1.75 mW (typ) | mW |
| Power-Down State Power Consumption | 0.25 μW (typ) | μW |
| Package Type | VSSOP-10 | |
| Package Size | 3.00 mm × 3.00 mm | mm |
Key Features
- SPI-compatible serial interface with daisy-chain option
- Internal clock for conversion, with busy indicator for synchronization
- Zero latency at full speed
- Capacitor-based SAR ADC with inherent sample-and-hold circuit
- Low-power operation with power consumption scaling linearly with speed
- Excellent performance: high SNR, low THD, and low INL/DNL
- Support for unipolar single-ended input range: 0 V to Vref
Applications
- Battery-Powered Equipment
- Data Acquisition Systems
- Instrumentation and Process Controls
- Medical Electronics
- Optical Networking
Q & A
- What is the resolution and sample rate of the ADS8339IDGSR?
The ADS8339IDGSR has a 16-bit resolution and a sample rate of 250 kSPS.
- What is the input range of the ADS8339IDGSR?
The input range is unipolar single-ended, from 0 V to Vref.
- What is the reference voltage range for the ADS8339IDGSR?
The reference voltage range is from 2.25 V to 5.5 V.
- What are the analog and digital supply voltage ranges for the ADS8339IDGSR?
The analog supply voltage range is 4.5 V to 5.5 V, and the digital I/O supply voltage range is 2.375 V to 5 V.
- What is the typical power consumption of the ADS8339IDGSR at 250 kSPS and 25 kSPS?
The typical power consumption is 17.5 mW at 250 kSPS and 1.75 mW at 25 kSPS.
- What is the power consumption in the power-down state?
The power consumption in the power-down state is typically 0.25 μW.
- What type of package does the ADS8339IDGSR come in?
The ADS8339IDGSR comes in a VSSOP-10 package.
- What are the key applications for the ADS8339IDGSR?
The key applications include battery-powered equipment, data acquisition systems, instrumentation and process controls, medical electronics, and optical networking.
- Does the ADS8339IDGSR support daisy-chaining?
- What is the significance of the busy indicator in the ADS8339IDGSR?
The busy indicator helps in synchronizing the device with the digital host, making it easier to manage multiple conversions.
