Overview
The LTC2489CDE#TRPBF is a high-precision analog-to-digital converter (ADC) produced by Analog Devices Inc. This 16-bit, 2-/4-channel delta-sigma ADC is designed with Easy Drive technology and features a 2-wire I2C interface. The device is known for its ability to eliminate dynamic input current errors and support large external source impedances, making it ideal for applications requiring high DC accuracy and flexibility.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Number of Channels | 2-/4-channel (differential or single-ended) |
| Conversion Rate | 15 samples per second (SPS) |
| Interface | 2-wire I2C |
| Package | 14-Lead DFN (4mm x 3mm with EP) |
| Operating Temperature Range | -40°C to 85°C |
| Input Range | 0V to VCC (common mode input range) |
| Integrated Oscillator | Yes |
Key Features
- Easy Drive Technology: Eliminates dynamic input current errors and the shortcomings of on-chip buffering through automatic cancellation of differential input current.
- High DC Accuracy: Supports large external source impedances and rail-to-rail input signals while maintaining exceptional DC accuracy.
- Flexible Input Configuration: Allows any combination of single-ended or differential inputs and includes an integrated multiplexer for optional external amplifiers.
- Auto Calibration: Continuously removes offset and drift associated with external amplifiers.
- Integrated Oscillator: Reduces the need for external components.
- Line Frequency Rejection: Automatically rejects line frequencies of 50Hz and 60Hz simultaneously.
Applications
- Industrial Automation: Suitable for precision measurement and control systems.
- Medical Devices: Ideal for high-accuracy data acquisition in medical equipment.
- Aerospace and Defense: Used in applications requiring high reliability and precision.
- Test and Measurement Equipment: Utilized in various test and measurement instruments for precise data collection.
- Automotive Systems: Applied in automotive sensors and control systems for accurate readings.
Q & A
- What is the resolution of the LTC2489CDE#TRPBF ADC?
The LTC2489CDE#TRPBF has a resolution of 16 bits.
- How many channels does the LTC2489CDE#TRPBF support?
The device supports 2-/4-channel configurations, both differential and single-ended.
- What is the conversion rate of the LTC2489CDE#TRPBF?
The conversion rate is 15 samples per second (SPS).
- What interface does the LTC2489CDE#TRPBF use?
The device uses a 2-wire I2C interface.
- What is the operating temperature range of the LTC2489CDE#TRPBF?
The operating temperature range is -40°C to 85°C.
- Does the LTC2489CDE#TRPBF have an integrated oscillator?
Yes, the device includes an integrated oscillator.
- How does the Easy Drive technology benefit the LTC2489CDE#TRPBF?
The Easy Drive technology eliminates dynamic input current errors and the shortcomings of on-chip buffering, allowing large external source impedances and rail-to-rail input signals to be directly digitized while maintaining exceptional DC accuracy.
- Can the LTC2489CDE#TRPBF reject line frequencies?
Yes, the device automatically rejects line frequencies of 50Hz and 60Hz simultaneously.
- What is the package type of the LTC2489CDE#TRPBF?
The device is packaged in a 14-Lead DFN (4mm x 3mm with EP).
- Does the LTC2489CDE#TRPBF support auto calibration for external amplifiers?
Yes, the device continuously removes offset and drift associated with external amplifiers through auto calibration.
