Overview
The LTC2489IDE#PBF is a high-precision analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the LTC2489 series, which features 16-bit, 2-/4-channel delta-sigma ADCs with Easy Drive technology and an I2C interface. The LTC2489IDE#PBF is designed to provide exceptional DC accuracy and is suitable for a wide range of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Number of Channels | 4 (2-channel differential or 4 single-ended) |
| Conversion Rate | 7.5 sps |
| Interface | 2-wire I2C |
| Input Range | 0V to VCC |
| Noise | 600nV RMS (0.02LSB transition noise) |
| Integral Non-Linearity (INL) | 2ppm |
| Offset Error | 1ppm |
| Full-Scale Error | 15ppm |
| Power Supply | Single supply, 2.7V to 5.5V |
| Power Consumption | 0.8mW |
| Package | 14-Lead DFN (4mm x 3mm w/ EP) |
| Operating Temperature | -40°C to 85°C |
Key Features
- Easy Drive Technology: Enables rail-to-rail inputs with zero differential input current, eliminating dynamic input current errors and the shortcomings of on-chip buffering.
- High Accuracy: Maintains exceptional DC accuracy with 2ppm INL, 1ppm offset, and 15ppm full-scale error.
- Flexible Input Configuration: Can be configured to measure signals from combinations of 4 analog input channels operating in single-ended or differential modes.
- Integrated Oscillator: Includes an integrated oscillator for simplified system design.
- Line Frequency Rejection: Automatically rejects line frequencies of 50Hz and 60Hz simultaneously.
- No Latency: Digital filter settles in a single cycle, even after a new channel is selected.
- I2C Interface: 2-wire I2C interface with 9 addresses plus one global address for synchronization.
Applications
The LTC2489IDE#PBF is suitable for various applications requiring high-precision analog-to-digital conversion, including:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, especially those requiring precise sensor readings.
- Test and measurement equipment.
Q & A
- What is the resolution of the LTC2489IDE#PBF ADC?
The LTC2489IDE#PBF has a 16-bit resolution.
- How many channels does the LTC2489IDE#PBF support?
The device supports 4 channels, which can be configured as 2-channel differential or 4 single-ended channels.
- What is the conversion rate of the LTC2489IDE#PBF?
The conversion rate is 7.5 samples per second (sps).
- What interface does the LTC2489IDE#PBF use?
The device uses a 2-wire I2C interface.
- What is the input range of the LTC2489IDE#PBF?
The input range is from 0V to VCC.
- Does the LTC2489IDE#PBF have any line frequency rejection capabilities?
Yes, it automatically rejects line frequencies of 50Hz and 60Hz simultaneously.
- What is the power consumption of the LTC2489IDE#PBF?
The power consumption is 0.8mW.
- What is the operating temperature range of the LTC2489IDE#PBF?
The operating temperature range is -40°C to 85°C.
- What package type does the LTC2489IDE#PBF come in?
The device comes in a 14-Lead DFN (4mm x 3mm w/ EP) package.
- Does the LTC2489IDE#PBF have an integrated oscillator?
Yes, it includes an integrated oscillator.
