Overview
The LTC2482CDD#TRPBF is a 16-bit Delta-Sigma analog-to-digital converter (ADC) produced by Analog Devices Inc. This device combines high precision with innovative features such as Easy Drive technology, which eliminates dynamic input current errors and the shortcomings of on-chip buffering. This allows for the direct digitization of input signals with large external source impedances and rail-to-rail input range, maintaining exceptional DC accuracy.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Converter Type | Delta-Sigma (ΔΣ) |
| Input Range | 0V to VCC |
| Reference Voltage | As low as 100mV or tied directly to VCC |
| Noise Level | 600nV RMS (independent of VREF) |
| Oscillator | On-chip trimmed oscillator (no external crystals or oscillators needed) |
| Line Frequency Noise Rejection | 87dB (50Hz and 60Hz) |
| Package | 10-Lead DFN (3mm x 3mm w/ EP) |
Key Features
- Easy Drive Technology: Automatically cancels differential input current, eliminating dynamic input current errors and the need for on-chip buffering.
- Wide Common Mode Input Range: Allows input signals from 0V to VCC, independent of the reference voltage.
- Low Noise Level: 600nV RMS noise level, independent of the reference voltage, enabling direct digitization of low-level signals with high accuracy.
- On-Chip Oscillator: Eliminates the need for external crystals or oscillators.
- High Line Frequency Noise Rejection: 87dB rejection of 50Hz and 60Hz line frequency noise.
- Continuous Calibration: Maintains absolute accuracy and low drift through continuous, transparent offset and full-scale calibration.
Applications
The LTC2482CDD#TRPBF is suitable for a variety of applications that require high precision and low noise, including:
- Industrial automation and control systems.
- Medical devices requiring precise signal conversion.
- Aerospace and defense systems where high accuracy is critical.
- Test and measurement equipment.
- Automotive systems needing robust and accurate signal conversion.
Q & A
- What is the resolution of the LTC2482CDD#TRPBF ADC?
The LTC2482CDD#TRPBF has a resolution of 16 bits.
- What type of converter is the LTC2482CDD#TRPBF?
The LTC2482CDD#TRPBF is a Delta-Sigma (ΔΣ) analog-to-digital converter.
- What is the input range of the LTC2482CDD#TRPBF?
The input range is from 0V to VCC.
- What is the noise level of the LTC2482CDD#TRPBF?
The noise level is 600nV RMS, independent of the reference voltage.
- Does the LTC2482CDD#TRPBF require an external oscillator?
No, it has an on-chip trimmed oscillator, eliminating the need for external crystals or oscillators.
- What is the line frequency noise rejection of the LTC2482CDD#TRPBF?
The device has 87dB rejection of 50Hz and 60Hz line frequency noise.
- What package type is the LTC2482CDD#TRPBF available in?
The device is available in a 10-Lead DFN (3mm x 3mm w/ EP) package.
- What is the purpose of the Easy Drive technology in the LTC2482CDD#TRPBF?
The Easy Drive technology automatically cancels differential input current, eliminating dynamic input current errors and the need for on-chip buffering.
- How does the LTC2482CDD#TRPBF maintain its accuracy and low drift?
The device maintains absolute accuracy and low drift through continuous, transparent offset and full-scale calibration.
- What are some typical applications for the LTC2482CDD#TRPBF?
Typical applications include industrial automation, medical devices, aerospace and defense systems, test and measurement equipment, and automotive systems.
