Overview
The LTC2344-16, produced by Analog Devices Inc., is a 16-bit, low-noise, 4-channel simultaneous sampling successive approximation register (SAR) analog-to-digital converter (ADC). This device operates from a 5V supply and features differential, wide common mode range inputs. Each channel can be independently configured on a conversion-by-conversion basis to accept various input ranges, including ±4.096V, 0V to 4.096V, ±2.048V, and 0V to 2.048V. The LTC2344-16 is designed for applications requiring wide dynamic range and high signal integrity, making it an ideal choice for a variety of industrial and medical applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Sampling Rate | 400 ksps per channel |
| Number of Channels | 4 simultaneous sampling channels |
| Input Range | ±4.096V, 0V to 4.096V, ±2.048V, 0V to 2.048V |
| Input Type | Differential, wide common mode range |
| Integral Nonlinearity (INL) | ±1.25 LSB (maximum) |
| Signal-to-Noise Ratio (SNR) | 93.4 dB |
| Common Mode Rejection Ratio (CMRR) | 102 dB |
| Supply Voltage | 5V |
| Interface | Pin-selectable SPI CMOS (1.8V to 5V) and LVDS |
| Package | 32-Lead (5mm × 5mm) QFN |
Key Features
- Simultaneous sampling of four channels
- Differential inputs with wide common mode range
- Per-channel SoftSpan input ranges: ±4.096V, 0V to 4.096V, ±2.048V, 0V to 2.048V
- Guaranteed 16-bit resolution with no missing codes
- Low noise and high SNR (93.4 dB)
- High CMRR (102 dB)
- Pin-selectable SPI CMOS and LVDS serial interfaces
- Individual channel disable feature to increase throughput on remaining channels
Applications
The LTC2344-16 is suitable for a variety of applications that require high precision and wide dynamic range, including:
- Industrial automation and control systems
- Medical imaging and diagnostic equipment
- Aerospace and defense systems
- High-performance data acquisition systems
- Test and measurement instruments
Q & A
- What is the resolution of the LTC2344-16 ADC?
The LTC2344-16 has a resolution of 16 bits. - How many channels does the LTC2344-16 support?
The LTC2344-16 supports four simultaneous sampling channels. - What are the available input ranges for the LTC2344-16?
The available input ranges are ±4.096V, 0V to 4.096V, ±2.048V, and 0V to 2.048V. - What is the sampling rate of the LTC2344-16?
The sampling rate is 400 ksps per channel. - What type of interfaces does the LTC2344-16 support?
The LTC2344-16 supports pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces. - What is the common mode rejection ratio (CMRR) of the LTC2344-16?
The CMRR is 102 dB. - Can individual channels be disabled on the LTC2344-16?
Yes, individual channels can be disabled to increase throughput on the remaining channels. - What is the signal-to-noise ratio (SNR) of the LTC2344-16?
The SNR is 93.4 dB. - What is the package type of the LTC2344-16?
The package type is a 32-Lead (5mm × 5mm) QFN. - What are some typical applications of the LTC2344-16?
Typical applications include industrial automation, medical imaging, aerospace and defense systems, high-performance data acquisition systems, and test and measurement instruments.
