Overview
The LTC2498IUHF#TRPBF is a high-precision analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2498 series, which features a 24-bit, 8-/16-channel delta-sigma (ΔΣ) ADC with Easy Drive technology. The LTC2498 is designed to eliminate dynamic input current errors and the shortcomings of on-chip buffering through automatic cancellation of differential input current, allowing for the direct digitization of rail-to-rail input signals with exceptional DC accuracy.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| Number of Channels | 8-/16-channel (differential or single-ended) |
| Conversion Rate | 15 samples per second (S/s) |
| Input Type | Differential/Single-Ended |
| ADC Type | Delta-Sigma (ΔΣ) |
| Voltage Range | 2.7 V to 5.5 V |
| Operating Temperature | -40°C to +85°C |
| Package Type | 38-Lead QFN (5mm x 7mm with EP) |
| Integrated Features | High accuracy temperature sensor, integrated oscillator |
| Interface | SPI |
Key Features
- 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.
- High Accuracy Temperature Sensor: Offers 1/30th °C resolution and 2°C absolute accuracy.
- Integrated Oscillator: Reduces the need for external components.
- Wide Common Mode Input Range: 0V to VCC, independent of the reference voltage.
- Auto Calibration: Continuously removes offset and drift associated with external amplifiers.
- No Latency ΔΣ ADC: Ensures the first conversion after a new channel is selected is valid.
Applications
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: High-accuracy measurements in medical equipment such as patient monitoring systems.
- Aerospace and Defense: For applications requiring high precision and reliability.
- Test and Measurement Equipment: For calibration and measurement in various test and measurement instruments.
- Environmental Monitoring: For accurate measurement of environmental parameters such as temperature, pressure, and humidity.
Q & A
- What is the resolution of the LTC2498IUHF#TRPBF ADC?
The LTC2498IUHF#TRPBF has a resolution of 24 bits.
- How many channels does the LTC2498IUHF#TRPBF support?
The device supports 8-/16-channel configurations, which can be either differential or single-ended.
- What is the conversion rate of the LTC2498IUHF#TRPBF?
The conversion rate is 15 samples per second (S/s).
- What type of ADC is the LTC2498IUHF#TRPBF?
The LTC2498IUHF#TRPBF is a delta-sigma (ΔΣ) ADC.
- What is the operating voltage range of the LTC2498IUHF#TRPBF?
The operating voltage range is from 2.7 V to 5.5 V.
- What is the temperature range for the LTC2498IUHF#TRPBF?
The operating temperature range is from -40°C to +85°C.
- What package type is the LTC2498IUHF#TRPBF available in?
The device is available in a 38-Lead QFN package (5mm x 7mm with EP).
- Does the LTC2498IUHF#TRPBF have an integrated temperature sensor?
Yes, it includes a high accuracy temperature sensor with 1/30th °C resolution and 2°C absolute accuracy.
- What interface does the LTC2498IUHF#TRPBF use for communication?
The device uses an SPI interface for communication.
- What is the purpose of the Easy Drive technology in the LTC2498IUHF#TRPBF?
The Easy Drive technology eliminates dynamic input current errors and the shortcomings of on-chip buffering, allowing for the direct digitization of rail-to-rail input signals with exceptional DC accuracy.
