Overview
The LTC2484IDD#PBF is a high-performance 24-bit delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc. This component combines advanced features such as Easy Drive technology and automatic cancellation of differential input current, allowing it to handle large external source impedances and input signals with exceptional DC accuracy. The LTC2484 is packaged in a 10-lead DFN (3mm x 3mm with exposed pad) and includes an on-chip oscillator, eliminating the need for external crystals or oscillators.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Resolution | 24 bits | Number of bits in the digital output |
| Conversion Type | Sigma-Delta (ΔΣ) | Type of analog-to-digital conversion |
| Input Type | Type of input signal accepted | |
| Input Common Mode Range | 0V to VCC | Range of common mode input voltage |
| Reference Voltage Range | 100mV to VCC | Range of reference voltage |
| Sampling Rate | Up to 7.5 sps (samples per second) | Maximum sampling rate of the ADC |
| Line Frequency Rejection | 50Hz, 60Hz, or simultaneous 50Hz/60Hz | Ability to reject line frequencies |
| Package Type | 10-Lead DFN (3mm x 3mm with exposed pad) | Physical package of the component |
| Operating Temperature Range | -40°C to 85°C | Range of temperatures in which the component can operate |
| Interface | SPI (Serial Peripheral Interface) | Type of communication interface |
Key Features
- Easy Drive Technology: Automatically cancels differential input current, eliminating dynamic input current errors and the need for on-chip buffering.
- High Accuracy: Offers 2ppm linearity, 0.5mV offset, and 600nV RMS noise.
- Wide Common Mode Input Range: Accepts input common mode voltages from 0V to VCC, independent of the reference voltage.
- On-Chip Oscillator: Eliminates the need for external crystals or oscillators.
- Line Frequency Rejection: Can reject 50Hz, 60Hz, or simultaneous 50Hz/60Hz line frequencies.
- Continuous Calibration: Maintains absolute accuracy and low drift through continuous, transparent offset and full-scale calibration.
Applications
The LTC2484IDD#PBF is suitable for various high-precision data acquisition applications, including:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: For accurate data acquisition in medical equipment.
- Test and Measurement: For high-precision measurement instruments.
- Aerospace and Defense: For applications requiring high accuracy and reliability.
Q & A
- What is the resolution of the LTC2484IDD#PBF?
The LTC2484IDD#PBF has a resolution of 24 bits.
- What type of conversion does the LTC2484IDD#PBF use?
The LTC2484IDD#PBF uses sigma-delta (ΔΣ) conversion.
- What is the input type of the LTC2484IDD#PBF?
The input type is fully differential.
- What is the common mode input range of the LTC2484IDD#PBF?
The common mode input range is from 0V to VCC.
- What is the reference voltage range for the LTC2484IDD#PBF?
The reference voltage range is from 100mV to VCC.
- What is the maximum sampling rate of the LTC2484IDD#PBF?
The maximum sampling rate is up to 7.5 sps (samples per second).
- Does the LTC2484IDD#PBF have line frequency rejection capabilities?
Yes, it can reject 50Hz, 60Hz, or simultaneous 50Hz/60Hz line frequencies.
- What type of package does the LTC2484IDD#PBF come in?
The LTC2484IDD#PBF comes in a 10-Lead DFN (3mm x 3mm with exposed pad) package.
- What is the operating temperature range of the LTC2484IDD#PBF?
The operating temperature range is from -40°C to 85°C.
- What type of interface does the LTC2484IDD#PBF use?
The LTC2484IDD#PBF uses an SPI (Serial Peripheral Interface).
