Overview
The LTC2185CUP#PBF is a high-performance, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is known for its high accuracy, low power consumption, and compact package, making it suitable for a variety of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Sampling Rate | Up to 1.5 MSPS |
| INL (Integral Nonlinearity) | ±1.5 LSB (typical) |
| DNL (Differential Nonlinearity) | ±0.5 LSB (typical) |
| SNR (Signal-to-Noise Ratio) | 98.5 dB (typical at f_IN = 1 kHz) |
| SINAD (Signal-to-Noise and Distortion Ratio) | 97.5 dB (typical at f_IN = 1 kHz) |
| Power Consumption | 65 mW (typical at 1.5 MSPS) |
| Operating Voltage | 2.5V or 5V |
| Package | 28-lead QFN (5mm x 5mm) |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- High accuracy with ±1.5 LSB INL and ±0.5 LSB DNL
- Low power consumption, suitable for battery-powered devices
- Compact 28-lead QFN package (5mm x 5mm)
- Supports both 2.5V and 5V supply voltages
- High-speed conversion rate up to 1.5 MSPS
- Excellent SNR and SINAD performance
- Wide operating temperature range from -40°C to 85°C
Applications
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- Test and measurement instruments
- Automotive systems requiring high accuracy ADCs
Q & A
- What is the resolution of the LTC2185CUP#PBF ADC?
The LTC2185CUP#PBF has an 18-bit resolution.
- What is the maximum sampling rate of the LTC2185CUP#PBF?
The maximum sampling rate is up to 1.5 MSPS.
- What are the typical INL and DNL values for the LTC2185CUP#PBF?
The typical INL is ±1.5 LSB and the typical DNL is ±0.5 LSB.
- What is the power consumption of the LTC2185CUP#PBF at 1.5 MSPS?
The typical power consumption at 1.5 MSPS is 65 mW.
- What are the supported supply voltages for the LTC2185CUP#PBF?
The device supports both 2.5V and 5V supply voltages.
- What is the package type and size of the LTC2185CUP#PBF?
The device comes in a 28-lead QFN package with dimensions of 5mm x 5mm.
- What is the operating temperature range of the LTC2185CUP#PBF?
The operating temperature range is from -40°C to 85°C.
- What are some common applications for the LTC2185CUP#PBF?
Common applications include industrial automation, medical devices, aerospace and defense systems, test and measurement instruments, and automotive systems.
- How does the LTC2185CUP#PBF perform in terms of SNR and SINAD?
The device offers excellent SNR and SINAD performance, with typical values of 98.5 dB and 97.5 dB respectively at f_IN = 1 kHz.
- Where can I find detailed specifications and datasheets for the LTC2185CUP#PBF?
Detailed specifications and datasheets can be found on the official Analog Devices website, as well as on distributor websites such as Digi-Key and Mouser Electronics.
