Overview
The LTC2348ILX-16 is a 16-bit, low noise, 8-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, known for its flexible input voltage range and wide common mode range. It operates from a 5V low voltage supply and can be configured to accept various input signal ranges, including ±10.24V, 0V to 10.24V, ±5.12V, or 0V to 5.12V on a conversion-by-conversion basis. The LTC2348ILX-16 is designed for high voltage applications requiring a wide dynamic range and features high accuracy and low noise performance.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16 bits | |
| Number of Channels | 8 | |
| Sample Rate | 200 ksps per channel | |
| Input Voltage Range | ±10.24V, 0V to 10.24V, ±5.12V, 0V to 5.12V | V |
| Integral Nonlinearity (INL) | ±1 LSB | LSB |
| Signal-to-Noise Ratio (SNR) | 94.4 dB | dB |
| Common Mode Rejection Ratio (CMRR) | 118 dB | dB |
| Supply Voltage (OVDD) | 4.75 V to 5.25 V | V |
| Package | 48-Lead LQFP (7mm x 7mm) | |
| Operating Temperature Range | -40°C to 85°C (I-Grade), -40°C to 125°C (H-Grade) | °C |
Key Features
- Simultaneous sampling of all 8 channels
- Flexible input voltage range: ±10.24V, 0V to 10.24V, ±5.12V, 0V to 5.12V
- Wide input common mode range and high CMRR (118 dB)
- Low noise performance with ±1 LSB INL and no missing codes at 16 bits
- High SNR of 94.4 dB
- Pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces
- Ability to disable individual channels to increase throughput on remaining channels
- Internal 2.048V reference and 2X buffer for simplified operation
Applications
- High voltage measurement systems
- Industrial control and automation
- Medical devices requiring high accuracy and low noise
- Aerospace and defense applications
- Data acquisition systems
- Test and measurement equipment
Q & A
- What is the resolution of the LTC2348ILX-16 ADC?
The LTC2348ILX-16 has a resolution of 16 bits.
- How many channels does the LTC2348ILX-16 support?
The LTC2348ILX-16 supports 8 simultaneous sampling channels.
- What are the input voltage ranges supported by the LTC2348ILX-16?
The LTC2348ILX-16 can accept input signals in the ranges of ±10.24V, 0V to 10.24V, ±5.12V, or 0V to 5.12V.
- What is the sample rate of the LTC2348ILX-16?
The sample rate is 200 ksps per channel.
- What is the typical SNR of the LTC2348ILX-16?
The typical SNR is 94.4 dB.
- What is the CMRR of the LTC2348ILX-16?
The CMRR is 118 dB.
- What are the supported serial interfaces for the LTC2348ILX-16?
The LTC2348ILX-16 supports pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces.
- Can individual channels of the LTC2348ILX-16 be disabled?
- What is the operating temperature range of the LTC2348ILX-16?
The operating temperature range is -40°C to 85°C (I-Grade) and -40°C to 125°C (H-Grade).
- What package type is the LTC2348ILX-16 available in?
The LTC2348ILX-16 is available in a 48-Lead LQFP (7mm x 7mm) package.
