Overview
The LTC2341IUH-18 is a high-performance, 18-bit, dual-channel successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for applications requiring simultaneous sampling of two channels with high resolution and low noise. The LTC2341IUH-18 operates from a 5V supply and features differential, wide common mode range inputs, making it suitable for a variety of signal processing tasks.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 18 |
| Number of Channels | 2 |
| Input Type | Differential |
| Data Interface | LVDS, SPI (1.8V to 5V) |
| Architecture | SAR |
| Reference Type | Internal |
| Analog Supply Voltage | 5V |
| Digital Supply Voltage | 5V |
| Sampling Rate | 666 kS/s per channel |
| Integral Nonlinearity (INL) | ±4LSB (Maximum) |
| Differential Nonlinearity (DNL) | 0.5 LSB |
| Signal to Noise and Distortion Ratio (SINAD) | 95 dB |
| Spurious Free Dynamic Range (SFDR) | 115 dB |
| Total Harmonic Distortion (THD) | -114 dB |
| Operating Temperature | -40°C to 125°C |
| Package | 32-QFN (5x5) |
Key Features
- Simultaneous sampling of two channels
- Differential, wide common mode range inputs
- Per-channel SoftSpan input ranges: ±4.096V, 0V to 4.096V, ±2.048V, or 0V to 2.048V
- Pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces
- Option to disable one channel to increase throughput on the other channel
- High accuracy with ±4LSB INL and no missing codes at 18 bits
- Low noise with 95dB SNR
- High common mode rejection ratio (CMRR) of 105dB
Applications
- Industrial control systems
- Medical imaging and diagnostics
- Aerospace and defense systems
- High-precision measurement and testing equipment
- Automotive and automotive safety systems
Q & A
- What is the resolution of the LTC2341IUH-18 ADC?
The LTC2341IUH-18 has a resolution of 18 bits.
- How many channels does the LTC2341IUH-18 support?
The LTC2341IUH-18 supports two simultaneous sampling channels.
- What are the input voltage ranges for the LTC2341IUH-18?
The input voltage ranges are ±4.096V, 0V to 4.096V, ±2.048V, or 0V to 2.048V on a per-channel basis.
- What are the supported data interfaces for the LTC2341IUH-18?
The LTC2341IUH-18 supports LVDS and SPI (1.8V to 5V) serial interfaces.
- What is the sampling rate of the LTC2341IUH-18?
The sampling rate is 666 kS/s per channel.
- What is the integral nonlinearity (INL) of the LTC2341IUH-18?
The INL is ±4LSB (Maximum).
- What is the signal to noise and distortion ratio (SINAD) of the LTC2341IUH-18?
The SINAD is 95 dB.
- What is the operating temperature range of the LTC2341IUH-18?
The operating temperature range is -40°C to 125°C.
- What package type is the LTC2341IUH-18 available in?
The LTC2341IUH-18 is available in a 32-QFN (5x5) package.
- Can one channel be disabled to increase throughput on the other channel?
Yes, one channel can be disabled to increase throughput on the other channel.
