Overview
The LTC2448IUHF#TRPBF is a high-performance, 24-bit, 8-/16-channel delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for precision data acquisition and features a proprietary delta-sigma architecture that allows for variable speed and resolution settings. It is particularly suited for applications requiring high accuracy and flexibility in conversion rates.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| Number of Channels | 8-/16-channel (4-/8-differential) |
| Conversion Rate | 6.9 Hz to 3.5 kHz (up to 7 kHz with 2X speed mode and external oscillator) |
| Package | 38-Lead QFN (5mm x 7mm w/ EP) |
| Input Type | Single-ended or differential inputs |
| Common Mode Input Range | Ground to VCC, independent of VREF |
| Interface | 4-wire serial interface |
Key Features
- Variable speed and resolution settings with no latency between conversion results or shift in DC accuracy.
- Supports up to 10 speed/resolution combinations.
- 2X speed mode for output rates up to 7 kHz (8 kHz with external oscillator).
- No settling time between conversions, allowing all 8 differential channels to be scanned at a rate of 500 Hz.
- Internal reset after each conversion to eliminate memory effects and ensure stability of the high-order delta-sigma modulator.
Applications
The LTC2448IUHF#TRPBF is ideal for various precision data acquisition applications, including industrial automation, medical devices, test and measurement equipment, and any system requiring high-accuracy analog-to-digital conversion with flexible speed and resolution settings.
Q & A
- What is the resolution of the LTC2448IUHF#TRPBF ADC?
The LTC2448IUHF#TRPBF has a resolution of 24 bits. - How many channels does the LTC2448IUHF#TRPBF support?
The device supports 8-/16-channel (4-/8-differential) configurations. - What are the conversion rate options for the LTC2448IUHF#TRPBF?
The conversion rates range from 6.9 Hz to 3.5 kHz, with options up to 7 kHz in 2X speed mode using an external oscillator. - What type of package does the LTC2448IUHF#TRPBF come in?
The device is packaged in a 38-Lead QFN (5mm x 7mm w/ EP). - Can the LTC2448IUHF#TRPBF handle both single-ended and differential inputs?
Yes, it can handle both single-ended and differential inputs. - What is the common mode input range for the LTC2448IUHF#TRPBF?
The common mode input range is from ground to VCC, independent of VREF. - How does the LTC2448IUHF#TRPBF interface with other components?
The device uses a 4-wire serial interface. - Does the LTC2448IUHF#TRPBF have any latency between conversion results?
No, there is no latency between conversion results or shift in DC accuracy. - Can all channels be scanned continuously without settling time?
Yes, all 8 differential channels can be scanned at a rate of 500 Hz without settling time. - How does the LTC2448IUHF#TRPBF ensure stability between successive conversions?
The device is internally reset after each conversion to eliminate memory effects and ensure stability of the high-order delta-sigma modulator.
