Overview
The LTC2373HUH-16 is a high-performance, low noise, and high-speed analog-to-digital converter (ADC) produced by Analog Devices Inc. This 16-bit successive approximation register (SAR) ADC operates from a single 5V supply and features an 8-channel input multiplexer. It supports fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges, making it highly versatile for various applications. The LTC2373HUH-16 is known for its excellent signal-to-noise ratio (SNR) of up to 96dB and its low power consumption, making it suitable for power-sensitive designs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16-bit | |
| Sampling Rate | 1 Msps | |
| Number of Channels | 8 | |
| Input Type | Fully Differential, Pseudo-Differential Unipolar, Pseudo-Differential Bipolar | |
| SNR (Typical) | 96dB (Fully Differential), 93.4dB (Pseudo-Differential) | dB |
| Integral Nonlinearity (INL) | ±1LSB (Maximum) | LSB |
| Reference Voltage | 2.048V (Internal, Temperature-Compensated) | V |
| Supply Voltage | 5V | V |
| Power Consumption | 40mW (Active), 300μW (Sleep Mode) | mW/μW |
| Interface | SPI-Compatible Serial Interface (1.8V, 2.5V, 3.3V, 5V Logic) | |
| Package | 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) | |
| Operating Temperature Range | -40°C to 85°C | °C |
Key Features
- Highly configurable 8-channel input multiplexer with low crosstalk.
- Supports fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges.
- Onboard low drift (20ppm/°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.
- Internal oscillator for setting conversion time, reducing external timing considerations.
- Low power consumption with automatic nap mode between conversions and a sleep mode for further power savings.
- No missing codes at 16-bit resolution.
Applications
The LTC2373HUH-16 is suitable for a variety of applications requiring high precision and low noise, including:
- Industrial automation and control systems.
- Medical devices, such as patient monitoring systems and diagnostic equipment.
- Aerospace and defense systems requiring high reliability and precision.
- Test and measurement equipment, such as multimeters and oscilloscopes.
- Automotive systems, including advanced driver-assistance systems (ADAS).
Q & A
- What is the resolution of the LTC2373HUH-16 ADC?
The LTC2373HUH-16 has a 16-bit resolution.
- What is the maximum sampling rate of the LTC2373HUH-16?
The maximum sampling rate is 1 Msps.
- How many input channels does the LTC2373HUH-16 have?
The LTC2373HUH-16 has 8 input channels.
- What types of analog input ranges are supported by the LTC2373HUH-16?
The LTC2373HUH-16 supports fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges.
- What is the typical SNR of the LTC2373HUH-16?
The typical SNR is 96dB for fully differential inputs and 93.4dB for pseudo-differential inputs.
- What is the power consumption of the LTC2373HUH-16 in active and sleep modes?
The power consumption is 40mW in active mode and 300μW in sleep mode.
- What type of interface does the LTC2373HUH-16 use for communication?
The LTC2373HUH-16 uses a high-speed SPI-compatible serial interface.
- What is the operating temperature range of the LTC2373HUH-16?
The operating temperature range is -40°C to 85°C.
- Does the LTC2373HUH-16 have an onboard reference voltage source?
Yes, it has an onboard low drift (20ppm/°C max) 2.048V temperature-compensated reference.
- How does the LTC2373HUH-16 manage power consumption during inactive periods?
The LTC2373HUH-16 has a sleep mode that reduces power consumption to 300μW during inactive periods.
