Overview
The LTC2500IDKD-32#TRPBF is a high-performance 32-bit oversampling Analog-to-Digital Converter (ADC) produced by Analog Devices Inc. This device is known for its low noise, low power consumption, and integrated configurable digital filter. It operates from a single 2.5V supply and features a fully differential input range up to ±VREF, with VREF ranging from 2.5V to 5.1V. The LTC2500-32 supports a wide common mode range from 0V to VREF, simplifying analog signal conditioning requirements.
Key Specifications
| Parameter | Description |
|---|---|
| Resolution | 32 bits |
| Supply Voltage | 2.5V |
| Input Range | ±VREF (VREF: 2.5V to 5.1V) |
| Common Mode Range | 0V to VREF |
| Operating Temperature | –40°C to 85°C |
| Package Type | 24-Lead DFN (7mm x 4mm) |
| Interface | SPI-compatible |
| Filter Types | Configurable digital lowpass filter |
Key Features
- Low noise and low power consumption
- Integrated configurable digital filter for noise reduction through lowpass filtering and downsampling
- Provides two output codes: a 32-bit digitally filtered high precision low noise code and a 32-bit no latency composite code
- The 32-bit composite code includes an overrange detection bit, a 24-bit code for differential input voltage, and a 7-bit code for common mode input voltage
- Highly configurable digital filter through SPI-compatible interface
- Multiple devices can be synchronized using the SYNC pin
Applications
The LTC2500-32 is suitable for a variety of high-precision measurement applications, including but not limited to:
- Industrial process control and monitoring
- Medical devices requiring high accuracy and low noise
- Aerospace and defense systems where precision is critical
- Test and measurement equipment
- Automotive systems requiring precise analog-to-digital conversion
Q & A
- What is the resolution of the LTC2500-32 ADC?
The LTC2500-32 has a resolution of 32 bits. - What is the operating supply voltage of the LTC2500-32?
The device operates from a single 2.5V supply. - What is the input range of the LTC2500-32?
The input range is ±VREF, with VREF ranging from 2.5V to 5.1V. - What is the common mode range of the LTC2500-32?
The common mode range is from 0V to VREF. - How does the LTC2500-32 reduce measurement noise?
The device reduces measurement noise through a configurable digital lowpass filter that performs lowpass filtering and downsampling of the data from the SAR ADC core. - Can multiple LTC2500-32 devices be synchronized?
Yes, multiple devices can be easily synchronized using the SYNC pin. - What types of output codes does the LTC2500-32 provide?
The device provides a 32-bit digitally filtered high precision low noise code and a 32-bit no latency composite code. - What is included in the 32-bit composite code?
The 32-bit composite code includes an overrange detection bit, a 24-bit code representing the differential input voltage, and a 7-bit code representing the common mode input voltage. - What interface does the LTC2500-32 use for configuration?
The device uses an SPI-compatible interface for configuration. - What is the package type of the LTC2500IDKD-32#TRPBF?
The package type is a 24-Lead DFN (7mm x 4mm).
