Overview
The LTC2373CUH-18#PBF is a high-performance, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for low noise and high speed applications, operating from a single 5V supply. It features an 8-channel input multiplexer with selectable input ranges, making it versatile for various analog input configurations.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Throughput Rate | 1 Msps |
| Number of Channels | 8 |
| Input Range | Fully Differential (4.096V), Pseudo-Differential Unipolar (0V to 4.096V), Pseudo-Differential Bipolar (2.048V) |
| Integral Nonlinearity (INL) | 2.75 LSB (Maximum) |
| Signal-to-Noise Ratio (SNR) | 100 dB (Fully Differential), 95 dB (Pseudo-Differential) at f = 1 kHz |
| Total Harmonic Distortion (THD) | 110 dB (Typical) at f = 1 kHz |
| Reference Voltage | Onboard 2.048V temperature-compensated reference |
| Supply Voltage | Single 5V with 1.8V to 5V I/O |
| Power Dissipation | 40 mW (Typical) |
| Operating Temperature | 0°C to 70°C |
| Package Type | 32-Lead QFN (5mm x 5mm x 0.75mm) |
Key Features
- Highly configurable 8-channel input multiplexer with low crosstalk.
- No missing codes at 18-bit resolution.
- Onboard low drift (20 ppm/°C max) 2.048V temperature-compensated reference and reference buffer.
- Programmable sequencer with a depth of 16.
- SPI-compatible serial interface supporting 1.8V, 2.5V, 3.3V, and 5V logic.
- No pipeline delay, no cycle latency.
- Automatic nap between conversions for reduced power dissipation.
Applications
The LTC2373CUH-18#PBF is suitable for a variety of high-performance applications, including:
- Industrial process control and automation.
- Medical imaging and diagnostics.
- Aerospace and defense systems.
- High-precision data acquisition systems.
- Automotive safety and control systems.
Q & A
- What is the resolution of the LTC2373CUH-18#PBF ADC?
The LTC2373CUH-18#PBF has an 18-bit resolution. - What is the throughput rate of this ADC?
The throughput rate is 1 Msps. - How many input channels does the LTC2373CUH-18#PBF have?
It has an 8-channel input multiplexer. - What are the available input ranges for this ADC?
The input ranges include fully differential (4.096V), pseudo-differential unipolar (0V to 4.096V), and pseudo-differential bipolar (2.048V). - What is the signal-to-noise ratio (SNR) of the LTC2373CUH-18#PBF?
The SNR is 100 dB (fully differential) and 95 dB (pseudo-differential) at f = 1 kHz. - Does the LTC2373CUH-18#PBF have an onboard reference voltage?
Yes, it has an onboard 2.048V temperature-compensated reference. - What is the power dissipation of the LTC2373CUH-18#PBF?
The typical power dissipation is 40 mW. - What is the operating temperature range of the LTC2373CUH-18#PBF?
The operating temperature range is 0°C to 70°C. - What type of package does the LTC2373CUH-18#PBF come in?
It comes in a 32-Lead QFN (5mm x 5mm x 0.75mm) package. - Does the LTC2373CUH-18#PBF support SPI-compatible serial interface?
Yes, it supports SPI-compatible serial interface with 1.8V, 2.5V, 3.3V, and 5V logic.
