Overview
The LTC2345IUK-16#TRPBF is a high-performance, 16-bit, octal analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the SoftSpan™ family, known for its flexibility and wide input common mode range. It operates as a successive approximation register (SAR) ADC, offering simultaneous sampling of eight channels. The LTC2345-16 is designed to handle a variety of input signal ranges, making it an ideal choice for applications requiring high precision and dynamic range.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Number of Channels | 8 |
| Sampling Rate | 200 kSPS |
| Input Type | Differential |
| Input Voltage Range | ±4.096V, 0V to 4.096V, ±2.048V, 0V to 2.048V |
| Common Mode Range | Wide input common mode range |
| CMRR | 102 dB |
| SNR | 91 dB |
| INL | ±1.25 LSB |
| Supply Voltage | 5V |
| Data Interface | SPI CMOS (1.8V to 5V), LVDS |
| Package | 48-Lead QFN (7mm x 7mm x 0.75mm w/ EP) |
Key Features
- Simultaneous sampling of eight channels
- Flexible SoftSpan™ interface allowing conversion-by-conversion control of the input voltage span on a per-channel basis
- Internal 2.048V reference and 2× buffer for simplified operation
- Wide input common mode range and high CMRR (102 dB)
- High signal-to-noise ratio (SNR) of 91 dB
- No missing codes at 16 bits and low integral nonlinearity (INL) of ±1.25 LSB
- Pin-selectable SPI CMOS (1.8V to 5V) and LVDS serial interfaces
- Optional external reference for increased input range and SNR
Applications
The LTC2345IUK-16#TRPBF is suitable for a variety of applications that require high precision, wide dynamic range, and simultaneous sampling. These include industrial automation, medical devices, test and measurement equipment, and any system needing to digitize multiple analog signals accurately and efficiently.
Q & A
- What is the resolution of the LTC2345IUK-16#TRPBF ADC? The resolution is 16 bits.
- How many channels does the LTC2345IUK-16#TRPBF support? It supports eight channels.
- What is the sampling rate of the LTC2345IUK-16#TRPBF? The sampling rate is 200 kSPS.
- What types of input signals can the LTC2345IUK-16#TRPBF handle? It can handle differential input signals with various voltage ranges including ±4.096V, 0V to 4.096V, ±2.048V, and 0V to 2.048V.
- What is the common mode range of the LTC2345IUK-16#TRPBF? It has a wide input common mode range.
- What is the CMRR of the LTC2345IUK-16#TRPBF? The CMRR is 102 dB.
- What is the signal-to-noise ratio (SNR) of the LTC2345IUK-16#TRPBF? The SNR is 91 dB.
- What is the integral nonlinearity (INL) of the LTC2345IUK-16#TRPBF? The INL is ±1.25 LSB.
- What supply voltage does the LTC2345IUK-16#TRPBF require? It operates from a 5V supply voltage.
- What data interfaces are supported by the LTC2345IUK-16#TRPBF? It supports SPI CMOS (1.8V to 5V) and LVDS serial interfaces.
