Overview
The ADS9110IRGET from Texas Instruments is an 18-bit, 2-MSPS (Mega Samples Per Second), successive approximation register (SAR) analog-to-digital converter (ADC) designed with enhanced performance features. This device is optimized for high-throughput applications, allowing developers to oversample the input signal to improve the dynamic range and accuracy of measurements. The ADS9110 is part of the ADS9110 series and is notable for its low power consumption, excellent DC and AC performance, and a compact 4-mm × 4-mm VQFN package.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 18 bits |
| Sample Rate | 2 MSPS |
| Input Type | Differential |
| Input Range | ±VREF (2.5 V to 5 V) |
| Analog Voltage (AVDD) | 1.65 V to 1.95 V |
| Digital Supply (DVDD) | 1.65 V to 1.95 V |
| Integral Nonlinearity (INL) | ±0.5 LSB |
| Differential Nonlinearity (DNL) | ±0.75 LSB |
| Signal-to-Noise Ratio (SNR) | 100 dB |
| Total Harmonic Distortion (THD) | -118 dB |
| Power Consumption | 15 mW at 2 MSPS |
| Operating Temperature Range | -40°C to +125°C |
| Package Type | 24-pin VQFN (RGE) |
| Package Size | 4-mm × 4-mm |
Key Features
- Enhanced SPI (multiSPI™) Digital Interface: Allows for high throughput at lower clock speeds, simplifying board layout and reducing system cost.
- No Latency Output: Ensures real-time data output without delays.
- Excellent DC and AC Performance: High SNR (100 dB), low THD (-118 dB), and tight INL and DNL specifications.
- Wide Input Range: Supports unipolar differential input ranges of ±VREF, with VREF ranging from 2.5 V to 5 V, independent of AVDD.
- Low-Power Dissipation: 9 mW at 2 MSPS (AVDD only) and 15 mW at 2 MSPS (total), with flexible low-power modes.
- JESD8-7A-Compliant Digital I/O: Supports 1.8-V DVDD.
- Internal Data Parity Feature: Enhances system reliability by validating ADC data output with parity bits.
- Compact Package: 4-mm × 4-mm VQFN package.
Applications
- Test and Measurement: Ideal for high-precision measurement instruments.
- Motor Control: Used in motor control systems requiring precise analog-to-digital conversion.
- Medical Imaging: Suitable for medical imaging applications that demand high resolution and accuracy.
- High-Precision Industrial Applications: Applicable in various industrial settings where high-speed and high-precision ADCs are required.
Q & A
- What is the resolution of the ADS9110IRGET ADC?
The ADS9110IRGET has a resolution of 18 bits.
- What is the maximum sample rate of the ADS9110IRGET?
The maximum sample rate is 2 MSPS.
- What type of input does the ADS9110IRGET support?
The ADS9110IRGET supports differential inputs.
- What is the operating temperature range of the ADS9110IRGET?
The operating temperature range is -40°C to +125°C.
- What is the power consumption of the ADS9110IRGET at 2 MSPS?
The power consumption is 15 mW at 2 MSPS.
- Does the ADS9110IRGET support data parity?
Yes, it has an internal data parity feature to enhance system reliability.
- What is the package type and size of the ADS9110IRGET?
The package type is 24-pin VQFN (RGE) with a size of 4-mm × 4-mm.
- Is the ADS9110IRGET compatible with standard SPI interfaces?
Yes, it is compatible with standard SPI interfaces and also supports enhanced SPI (multiSPI™).
- What are some typical applications of the ADS9110IRGET?
Typical applications include test and measurement, motor control, medical imaging, and high-precision industrial applications.
- Is the ADS9110IRGET RoHS compliant?
Yes, the ADS9110IRGET is RoHS compliant.
