Overview
The LTC2480HDD#TRPBF is a 16-bit delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is renowned for its high precision and ease of use, particularly due to its patented Easy Drive technology. This technology eliminates dynamic input current errors and the shortcomings of on-chip buffering, allowing for the direct digitization of input signals with large external source impedances while maintaining exceptional DC accuracy.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Architecture | Sigma-Delta |
| Sampling Rate | 7.5 SPS |
| Input Range | Rail-to-rail (0V to VCC) |
| Programmable Gain | 1 to 256 in 8 steps |
| Line Frequency Rejection | 50Hz, 60Hz, or simultaneous 50Hz/60Hz |
| Reference Voltage | As low as 100mV or tied directly to VCC |
| Package | 10-Lead MSOP |
| Operating Temperature Range | -40°C to 85°C |
| Data Interface | SPI |
Key Features
- Patented Easy Drive technology for automatic cancellation of differential input current, allowing large external source impedances.
- On-chip programmable gain from 1 to 256 in 8 steps.
- On-chip trimmed oscillator, eliminating the need for external crystals or oscillators.
- Continuous, transparent offset and full-scale calibration for absolute accuracy and low drift.
- Ability to measure external signals or internal temperature sensor.
- 2x speed-up mode available.
Applications
The LTC2480HDD#TRPBF is suitable for a variety of precision measurement applications, including industrial control systems, medical devices, and high-accuracy data acquisition systems. Its ability to reject line frequencies and handle large external source impedances makes it particularly useful in environments with noisy or high-impedance signal sources.
Q & A
- What is the resolution of the LTC2480HDD#TRPBF?
The LTC2480HDD#TRPBF has a resolution of 16 bits. - What is the sampling rate of the LTC2480HDD#TRPBF?
The sampling rate is 7.5 SPS. - What is the input range of the LTC2480HDD#TRPBF?
The input range is rail-to-rail (0V to VCC). - Does the LTC2480HDD#TRPBF have programmable gain?
Yes, it has programmable gain from 1 to 256 in 8 steps. - What line frequencies can the LTC2480HDD#TRPBF reject?
The LTC2480HDD#TRPBF can reject 50Hz, 60Hz, or simultaneous 50Hz/60Hz line frequencies. - What is the reference voltage range for the LTC2480HDD#TRPBF?
The reference voltage can be as low as 100mV or tied directly to VCC. - What package type is the LTC2480HDD#TRPBF available in?
The LTC2480HDD#TRPBF is available in a 10-Lead MSOP package. - What is the operating temperature range of the LTC2480HDD#TRPBF?
The operating temperature range is -40°C to 85°C. - What data interface does the LTC2480HDD#TRPBF use?
The LTC2480HDD#TRPBF uses an SPI data interface. - Does the LTC2480HDD#TRPBF require an external oscillator?
No, it includes an on-chip trimmed oscillator.
