Overview
The LTC2488IDE#PBF is a high-performance, 16-bit, 2-/4-channel delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the Linear Technology product line, now integrated into Analog Devices. It features advanced Easy Drive technology, which eliminates dynamic input current errors and allows for the direct digitization of rail-to-rail input signals with exceptional DC accuracy.
The LTC2488IDE#PBF is packaged in a 14-lead DFN (4mm x 3mm with exposed pad) and is suitable for a wide range of applications requiring high precision and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Number of Channels | 2-/4-channel (single-ended or differential) |
| Conversion Rate | 15 samples per second (sps) |
| Input Type | Delta-Sigma ADC |
| Input Range | 0V to VCC (common mode independent of reference voltage) |
| Package Type | 14-Lead DFN (4mm x 3mm with exposed pad) |
| Operating Temperature Range | -40°C to 85°C |
| Voltage Supply | Single supply: 2.7V to 5.5V |
Key Features
- Easy Drive Technology: Automatically cancels differential input current, eliminating dynamic input current errors and allowing large external source impedances and rail-to-rail input signals to be directly digitized.
- No Latency ΔΣ ADC: Ensures that the first conversion after a new channel selection is valid.
- Integrated Oscillator: Reduces external component count and simplifies design.
- Line Frequency Rejection: Automatically rejects line frequencies of 50Hz and 60Hz simultaneously.
- I2C Interface: Supports communication with microcontrollers and other I2C-compatible devices.
Applications
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: High-accuracy measurements in medical equipment such as patient monitoring systems.
- Aerospace and Defense: Reliable and precise data acquisition in harsh environments.
- Automotive Systems: For sensor data acquisition and monitoring in automotive applications.
- Test and Measurement Equipment: For high-precision data acquisition and analysis.
Q & A
- What is the resolution of the LTC2488IDE#PBF ADC?
The LTC2488IDE#PBF has a resolution of 16 bits.
- How many channels does the LTC2488IDE#PBF support?
The LTC2488IDE#PBF supports 2-/4-channel configurations (single-ended or differential).
- What is the conversion rate of the LTC2488IDE#PBF?
The conversion rate is 15 samples per second (sps).
- What is the input range of the LTC2488IDE#PBF?
The input range is 0V to VCC, independent of the reference voltage.
- What package type is the LTC2488IDE#PBF available in?
The LTC2488IDE#PBF is available in a 14-Lead DFN (4mm x 3mm with exposed pad) package.
- What is the operating temperature range of the LTC2488IDE#PBF?
The operating temperature range is -40°C to 85°C.
- What voltage supply does the LTC2488IDE#PBF require?
The LTC2488IDE#PBF requires a single supply voltage of 2.7V to 5.5V.
- Does the LTC2488IDE#PBF have integrated line frequency rejection?
Yes, it automatically rejects line frequencies of 50Hz and 60Hz simultaneously.
- What interface does the LTC2488IDE#PBF use for communication?
The LTC2488IDE#PBF uses an I2C interface for communication.
- What is the purpose of the Easy Drive technology in the LTC2488IDE#PBF?
The Easy Drive technology automatically cancels differential input current, allowing large external source impedances and rail-to-rail input signals to be directly digitized.
