Overview
The LTC2344IUH-18 is an 18-bit, low noise, quad-channel successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the SoftSpan™ family, known for its flexible input voltage range and high performance. The LTC2344IUH-18 operates from a 5V supply and features differential inputs with a wide common mode range, making it suitable for a variety of high voltage applications requiring wide dynamic range.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 18 |
| Number of Channels | 4 |
| Sampling Rate (Per Second) | 400 kSPS |
| Input Type | Differential |
| Input Voltage Range | ±10.24V, 0V to 10.24V, ±5.12V, 0V to 5.12V |
| Supply Voltage (Analog/Digital) | 5V |
| Reference Type | External, Internal |
| Data Interface | SPI, LVDS |
| Package | 32-WFQFN Exposed Pad |
| Operating Temperature | -40°C to 85°C |
| Architecture | SAR |
Key Features
- Simultaneous sampling of all four channels.
- Flexible SoftSpan™ interface allowing conversion-by-conversion control of the input voltage span on a per-channel basis.
- Internal 2.048V reference and 2X buffer for simplified operation.
- High signal-to-noise ratio (SNR) of up to 96.7dB.
- No missing codes at 18 bits and ±3LSB INL.
- Wide input common mode range and high common mode rejection ratio (CMRR) of 118dB.
- Pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces.
Applications
The LTC2344IUH-18 is ideal for various high voltage applications that require wide dynamic range and high precision. These include:
- Industrial process control and monitoring.
- Medical imaging and diagnostics.
- Aerospace and defense systems.
- Automotive and automotive safety systems.
- High-precision data acquisition systems.
Q & A
- What is the number of bits and channels in the LTC2344IUH-18 ADC?
The LTC2344IUH-18 is an 18-bit, quad-channel ADC.
- What is the sampling rate of the LTC2344IUH-18?
The sampling rate is 400 kSPS.
- What types of input signals can the LTC2344IUH-18 handle?
The device can handle differential input signals with various voltage ranges including ±10.24V, 0V to 10.24V, ±5.12V, and 0V to 5.12V.
- What are the supply voltage requirements for the LTC2344IUH-18?
The device operates from a 5V analog and digital supply voltage.
- What data interfaces are supported by the LTC2344IUH-18?
The device supports SPI and LVDS serial interfaces.
- What is the package type of the LTC2344IUH-18?
The device is packaged in a 32-WFQFN Exposed Pad.
- What is the operating temperature range of the LTC2344IUH-18?
The operating temperature range is -40°C to 85°C.
- Does the LTC2344IUH-18 support simultaneous sampling?
Yes, the device supports simultaneous sampling of all four channels.
- What is the common mode rejection ratio (CMRR) of the LTC2344IUH-18?
The CMRR is 118dB.
- Is the LTC2344IUH-18 RoHS compliant?
Yes, the device is RoHS compliant.
