Overview
The LTC2373HUH-18#PBF is a high-performance, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 5V supply and is designed for low noise and high speed applications. It features an 8-channel input multiplexer with configurable input ranges, supporting fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog inputs. The LTC2373HUH-18#PBF is known for its high signal-to-noise ratio (SNR) and low integral nonlinearity (INL), making it suitable for a variety of precision measurement applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Sample 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 |
| Power Dissipation | 40 mW (typical) |
| Operating Temperature | -40°C to 125°C |
| Package | 32-Lead QFN (5mm x 5mm x 0.75mm) |
Key Features
- Highly configurable, low crosstalk 8-channel input multiplexer
- No missing codes at 18 bits
- Onboard low drift (20 ppm/°C max) 2.048V temperature-compensated reference and a single-shot capable reference buffer
- High speed SPI-compatible serial interface supporting 1.8V, 2.5V, 3.3V, and 5V logic
- Programmable sequencer with a depth of 16
- No pipeline delay, no cycle latency
- Automatic nap mode between conversions for reduced power dissipation
- Sleep mode for further power savings (300 μW)
Applications
The LTC2373HUH-18#PBF is suitable for a wide range of applications requiring high precision and low noise, including:
- Precision measurement systems
- Industrial control and automation
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- High-performance data acquisition systems
Q & A
- What is the resolution of the LTC2373HUH-18#PBF?
The resolution of the LTC2373HUH-18#PBF is 18 bits. - What is the sample rate of the LTC2373HUH-18#PBF?
The sample rate of the LTC2373HUH-18#PBF is 1 Msps. - How many channels does the LTC2373HUH-18#PBF have?
The LTC2373HUH-18#PBF has 8 channels. - What are the input ranges supported by the LTC2373HUH-18#PBF?
The LTC2373HUH-18#PBF supports fully differential (4.096V), pseudo-differential unipolar (0V to 4.096V), and pseudo-differential bipolar (2.048V) input ranges. - What is the integral nonlinearity (INL) of the LTC2373HUH-18#PBF?
The integral nonlinearity (INL) of the LTC2373HUH-18#PBF is ±2.75 LSB (maximum). - What is the signal-to-noise ratio (SNR) of the LTC2373HUH-18#PBF?
The signal-to-noise ratio (SNR) of the LTC2373HUH-18#PBF is 100 dB (fully differential) and 95 dB (pseudo-differential) at f = 1 kHz. - What is the power dissipation of the LTC2373HUH-18#PBF?
The power dissipation of the LTC2373HUH-18#PBF is 40 mW (typical). - What is the operating temperature range of the LTC2373HUH-18#PBF?
The operating temperature range of the LTC2373HUH-18#PBF is -40°C to 125°C. - What package type is the LTC2373HUH-18#PBF available in?
The LTC2373HUH-18#PBF is available in a 32-Lead QFN (5mm x 5mm x 0.75mm) package. - Does the LTC2373HUH-18#PBF have a sleep mode for power savings?
Yes, the LTC2373HUH-18#PBF has a sleep mode that reduces power consumption to 300 μW.
