Overview
The LTC2373HUH-18#TRPBF 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 features an 8-channel input multiplexer with configurable input ranges, including fully differential, pseudo-differential unipolar, and pseudo-differential bipolar. It is designed for low noise and high speed, making it suitable for a variety of applications requiring precise analog-to-digital conversion.
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 |
| I/O Voltage | 1.8V to 5V |
| Power Dissipation | 40 mW (typical), 300 μW in sleep mode |
| 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
- Supports fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges
- Onboard low drift (20 ppm/°C max) 2.048V temperature-compensated reference and 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
- Internal oscillator for conversion timing
- No pipeline delay, no cycle latency
- Low power dissipation with automatic nap mode between conversions
- Sleep mode for further power savings
Applications
The LTC2373HUH-18#TRPBF is versatile and can be used in a wide range of applications, including:
- Communications
- Industrial automation
- Instrumentation and measurement
- Aerospace and defense
- Motor and power control
- Healthcare
Q & A
- What is the resolution of the LTC2373HUH-18#TRPBF ADC?
The LTC2373HUH-18#TRPBF has an 18-bit resolution. - What is the sample rate of the LTC2373HUH-18#TRPBF?
The sample rate is 1 Msps. - How many input channels does the LTC2373HUH-18#TRPBF have?
The device has 8 input channels. - What are the supported input ranges for the LTC2373HUH-18#TRPBF?
The device supports fully differential, pseudo-differential unipolar, and pseudo-differential bipolar input ranges. - What is the SNR of the LTC2373HUH-18#TRPBF?
The SNR is 100 dB (fully differential) and 95 dB (pseudo-differential) at f = 1 kHz. - What is the power dissipation of the LTC2373HUH-18#TRPBF?
The typical power dissipation is 40 mW, and it reduces to 300 μW in sleep mode. - What is the operating temperature range of the LTC2373HUH-18#TRPBF?
The operating temperature range is -40°C to 125°C. - What type of package does the LTC2373HUH-18#TRPBF come in?
The device comes in a 32-Lead QFN (5mm x 5mm x 0.75mm) package. - Does the LTC2373HUH-18#TRPBF have an onboard reference voltage?
Yes, it has an onboard 2.048V temperature-compensated reference voltage. - Is the LTC2373HUH-18#TRPBF compatible with different logic voltages?
Yes, it supports 1.8V, 2.5V, 3.3V, and 5V logic through its SPI-compatible serial interface.
