Overview
The LTC2508CDKD-32#PBF is a high-performance, 32-bit Analog-to-Digital Converter (ADC) manufactured by Analog Devices Inc. This device is designed with a low noise, low power SAR (Successive Approximation Register) architecture and features an integrated configurable digital filter. Operating from a single 2.5V supply, it offers a fully differential input range and supports a wide common mode range, simplifying analog signal conditioning requirements.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 32 bits |
| Input Range | ±VREF (VREF = 2.5V to 5.1V) |
| Common Mode Range | 0V to VREF |
| Dynamic Range | 145dB at 61sps, 131dB at 3.9ksps |
| Integral Nonlinearity (INL) | 0.5ppm (Typ) |
| Supply Voltage | 2.5V |
| Power Consumption | 24mW at 1Msps |
| Output Codes | 32-bit digitally filtered, 22-bit no latency composite code |
| Package | 24-Lead DFN (7mm x 4mm w/ EP) |
| Operating Temperature | -40°C to 85°C |
| Serial Interface | 1.8V to 5V SPI-Compatible |
Key Features
- Low noise and low power consumption
- Integrated configurable digital filter with synchronization capability
- Two output codes: 32-bit digitally filtered and 22-bit no latency composite code
- Wide input common mode range from 0V to VREF
- Relaxed anti-aliasing filter requirements due to digital lowpass filter
- Dual output SAR ADC with no latency for the 22-bit composite code
- Configurable digital filter with four different down-sampling factors by pin strapping
Applications
The LTC2508CDKD-32#PBF is suitable for various high-precision measurement applications, including but not limited to:
- Industrial measurement and control systems
- Medical devices requiring high accuracy and low noise
- Aerospace and defense applications where precision is critical
- Scientific instruments and data acquisition systems
- Automotive systems needing robust and reliable ADCs
Q & A
- What is the resolution of the LTC2508CDKD-32#PBF ADC?
The LTC2508CDKD-32#PBF has a resolution of 32 bits. - What is the input range of the LTC2508CDKD-32#PBF?
The input range is ±VREF, where VREF can range from 2.5V to 5.1V. - What is the dynamic range of the LTC2508CDKD-32#PBF?
The dynamic range is 145dB at 61sps and 131dB at 3.9ksps. - How much power does the LTC2508CDKD-32#PBF consume?
The power consumption is 24mW at 1Msps. - What types of output codes does the LTC2508CDKD-32#PBF provide?
The device provides a 32-bit digitally filtered output code and a 22-bit no latency composite code. - Can multiple LTC2508CDKD-32#PBF devices be synchronized?
Yes, multiple devices can be easily synchronized using the SYNC pin. - What is the operating temperature range of the LTC2508CDKD-32#PBF?
The operating temperature range is -40°C to 85°C. - What is the package type of the LTC2508CDKD-32#PBF?
The package type is a 24-Lead DFN (7mm x 4mm w/ EP). - Is the LTC2508CDKD-32#PBF compatible with SPI interfaces?
Yes, it has a 1.8V to 5V SPI-Compatible serial interface. - What are the key applications of the LTC2508CDKD-32#PBF?
The key applications include industrial measurement, medical devices, aerospace and defense, scientific instruments, and automotive systems.
