Overview
The LTC2499IUHF#TRPBF is a 24-bit, 8-/16-channel Delta-Sigma Analog-to-Digital Converter (ADC) manufactured by Analog Devices Inc. This device is renowned for its high precision and advanced features, making it suitable for a wide range of applications requiring accurate analog-to-digital conversion. The LTC2499 incorporates Easy Drive technology and a 2-wire I2C interface, enabling efficient and precise data transfer. It also includes a high accuracy temperature sensor and an integrated oscillator, enhancing its versatility and reliability.
Key Specifications
| Parameter | Specification |
|---|---|
| Resolution | 24 bits |
| Number of Channels | 8 differential or 16 single-ended |
| Input Type | Single-ended or differential |
| Input Current | Zero differential input current |
| Common Mode Input Range | 0V to VCC |
| Noise | 600nV RMS |
| Integral Non-Linearity (INL) | 2ppm |
| Offset Error | 1ppm |
| Full-Scale Error | 15ppm |
| Temperature Sensor Resolution | 1/30th°C |
| Temperature Sensor Accuracy | 2°C absolute accuracy |
| Supply Voltage | 2.7V to 5.5V |
| Power Consumption | 0.8mW at 7.5Hz |
| Package | 38-Lead QFN (5mm x 7mm w/ EP) |
Key Features
- Easy Drive Technology: Eliminates dynamic input current errors and the shortcomings of on-chip buffering through automatic cancellation of differential input current.
- No Latency: Digital filter settles in a single cycle, even after a new channel is selected.
- High Accuracy Temperature Sensor: Offers 1/30th°C resolution and 2°C absolute accuracy.
- Integrated Oscillator: Allows for flexible configuration and operation.
- Wide Common Mode Input Range: 0V to VCC, independent of the reference voltage.
- 2-Wire I2C Interface: Supports 27 addresses plus one global address for synchronization.
- Programmable 50Hz, 60Hz or Simultaneous 50Hz/60Hz Rejection Mode: Enhances noise rejection capabilities.
- Auto Calibration: Continuously removes offset and drift associated with external amplifiers.
- Single Supply Operation: 2.7V to 5.5V, with low power consumption (0.8mW at 7.5Hz).
Applications
The LTC2499IUHF#TRPBF is suitable for various applications requiring high precision analog-to-digital conversion, including:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: For accurate data acquisition in medical equipment.
- Aerospace and Defense: For reliable and precise data conversion in critical systems.
- Automotive Systems: For sensor data acquisition and processing in automotive applications.
- Environmental Monitoring: For measuring parameters such as temperature, pressure, and humidity with high accuracy.
Q & A
- What is the resolution of the LTC2499IUHF#TRPBF ADC?
The LTC2499IUHF#TRPBF has a 24-bit resolution.
- How many channels does the LTC2499IUHF#TRPBF support?
The device supports 8 differential or 16 single-ended channels.
- What is the common mode input range of the LTC2499IUHF#TRPBF?
The common mode input range is 0V to VCC.
- Does the LTC2499IUHF#TRPBF have an integrated temperature sensor?
Yes, it includes a high accuracy temperature sensor with 1/30th°C resolution and 2°C absolute accuracy.
- What is the power consumption of the LTC2499IUHF#TRPBF at 7.5Hz?
The power consumption is 0.8mW at 7.5Hz.
- What is the package type of the LTC2499IUHF#TRPBF?
The device is packaged in a 38-Lead QFN (5mm x 7mm w/ EP).
- Does the LTC2499IUHF#TRPBF support I2C interface?
Yes, it supports a 2-wire I2C interface with 27 addresses plus one global address for synchronization.
- What is the noise performance of the LTC2499IUHF#TRPBF?
The device has a noise performance of 600nV RMS.
- Is the LTC2499IUHF#TRPBF suitable for high impedance sensors?
Yes, it can directly digitize high impedance sensors with full accuracy.
- Does the LTC2499IUHF#TRPBF have any latency issues during channel switching?
No, the digital filter settles in a single cycle, even after a new channel is selected.
