Overview
The LTC2345CUK-16 is a high-performance, 16-bit, octal-channel simultaneous sampling successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the SoftSpan™ series and is known for its low noise and wide input common mode range, making it suitable for a variety of applications requiring precise and flexible signal digitization.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Resolution | Number of bits | 16 bits |
| Number of Channels | Number of simultaneous sampling channels | 8 channels |
| Sampling Rate | Maximum sampling rate | 200 kSPS |
| Input Range | Configurable input voltage ranges | ±4.096V, 0V to 4.096V, ±2.048V, or 0V to 2.048V |
| Common Mode Range | Wide input common mode range | Wide common mode range with 102dB CMRR |
| Supply Voltage | Operating supply voltage | 4.75V to 5.25V (VDD), 1.71V to 5.25V (OVDD) |
| Operating Temperature | Temperature range for operation | 0°C to 70°C (C-grade), –40°C to 85°C (I-grade) |
| Package | Package type | 48-WFQFN Exposed Pad |
Key Features
- Low Noise and High Accuracy: The LTC2345CUK-16 features low noise and high accuracy, with ±1.25LSB INL, making it suitable for precise signal digitization.
- Flexible Input Configuration: Each channel can be independently configured on a conversion-by-conversion basis to accept various input voltage ranges.
- Wide Input Common Mode Range: The device has a wide input common mode range with 102dB CMRR, allowing it to directly digitize a variety of signals.
- Simultaneous Sampling: The ADC supports simultaneous sampling of all eight channels, which is crucial for applications requiring synchronized data acquisition.
- Low Power Consumption: The device operates with low power consumption, with supply currents of 15.3mA (VDD) and 1.8mA (OVDD) at 200kSPS sampling rate.
- CMOS or LVDS I/O Interface: The LTC2345CUK-16 offers both CMOS and LVDS output interfaces, providing flexibility in system design.
Applications
- Industrial Automation: Suitable for precision measurement and control systems in industrial automation.
- Medical Devices: Used in medical equipment requiring high accuracy and low noise signal digitization.
- Aerospace and Defense: Applicable in aerospace and defense systems where high reliability and precision are critical.
- Test and Measurement Equipment: Ideal for use in various test and measurement instruments due to its high accuracy and flexibility.
- Automotive Systems: Used in automotive systems for sensor data acquisition and processing.
Q & A
- What is the resolution of the LTC2345CUK-16 ADC?
The LTC2345CUK-16 has a resolution of 16 bits.
- How many channels does the LTC2345CUK-16 support?
The device supports 8 simultaneous sampling channels.
- What is the maximum sampling rate of the LTC2345CUK-16?
The maximum sampling rate is 200 kSPS.
- What are the configurable input voltage ranges for the LTC2345CUK-16?
The input voltage ranges can be configured to ±4.096V, 0V to 4.096V, ±2.048V, or 0V to 2.048V.
- What is the operating supply voltage range for the LTC2345CUK-16?
The operating supply voltage range is 4.75V to 5.25V (VDD) and 1.71V to 5.25V (OVDD).
- What is the package type of the LTC2345CUK-16?
The package type is 48-WFQFN Exposed Pad.
- What are the key features of the LTC2345CUK-16's input configuration?
The device features flexible input configuration with wide common mode range and high CMRR, allowing direct digitization of various signals.
- Is the LTC2345CUK-16 suitable for low power applications?
Yes, the device has low power consumption, making it suitable for low power applications.
- What types of output interfaces does the LTC2345CUK-16 support?
The device supports both CMOS and LVDS output interfaces.
- What are some typical applications of the LTC2345CUK-16?
Typical applications include industrial automation, medical devices, aerospace and defense, test and measurement equipment, and automotive systems.
