Overview
The LTC2373-16, produced by Analog Devices Inc., is a high-performance, low noise, and high-speed 16-bit successive approximation register (SAR) analog-to-digital converter (ADC). This component operates from a single 5V supply and features an 8-channel input multiplexer, supporting fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges. The ADC is designed for applications requiring high accuracy and low power consumption.
Key Specifications
| Parameter | Conditions | Min | Max | Units | |
|---|---|---|---|---|---|
| Resolution | 16 bits | ||||
| Sampling Frequency | 1 Msps | ||||
| Number of Channels | 8 channels | ||||
| SNR (Fully Differential) | 96 dB | ||||
| SNR (Pseudo-Differential) | 93.4 dB | ||||
| Integral Nonlinearity (INL) | ±1 LSB | ||||
| Internal Reference Voltage | 2.043 | 2.048 | 2.053 | V | |
| Internal Reference Temperature Coefficient | 20 ppm/°C | ||||
| Power Consumption (Active) | 40 mW | ||||
| Power Consumption (Sleep Mode) | 300 μW | ||||
| Conversion Time | 460 ns | 527 ns | ns |
Key Features
- Highly configurable 8-channel input multiplexer supporting 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 a single-shot capable reference buffer.
- High-speed SPI-compatible serial interface supporting 1.8V, 2.5V, 3.3V, and 5V logic.
- Internal oscillator sets the conversion time, easing external timing considerations.
- Low power consumption with automatic nap mode between conversions and a sleep mode reducing power to 300 μW.
- No missing codes at 16 bits and high signal-to-noise ratio (SNR) of up to 96 dB.
Applications
The LTC2373-16 is suitable for a variety of applications requiring high accuracy and low power consumption, such as:
- Industrial automation and control systems.
- Medical devices, including diagnostic equipment and patient monitoring systems.
- Aerospace and defense systems where high precision and reliability are critical.
- Test and measurement equipment, including data acquisition systems and oscilloscopes.
- Automotive systems, particularly in advanced driver-assistance systems (ADAS) and autonomous vehicles.
Q & A
- What is the resolution of the LTC2373-16 ADC?
The LTC2373-16 has a resolution of 16 bits.
- What is the maximum sampling frequency of the LTC2373-16?
The maximum sampling frequency is 1 Msps.
- How many channels does the LTC2373-16 support?
The LTC2373-16 supports 8 channels.
- What is the signal-to-noise ratio (SNR) of the LTC2373-16 in fully differential mode?
The SNR in fully differential mode is typically 96 dB.
- What is the integral nonlinearity (INL) of the LTC2373-16?
The INL is ±1 LSB maximum.
- Does the LTC2373-16 have an onboard reference voltage?
Yes, it has an onboard low drift (20 ppm/°C max) 2.048V temperature-compensated reference.
- What is the power consumption of the LTC2373-16 in active mode?
The power consumption in active mode is 40 mW.
- How much power does the LTC2373-16 consume in sleep mode?
The power consumption in sleep mode is 300 μW.
- What type of serial interface does the LTC2373-16 support?
The LTC2373-16 supports a high-speed SPI-compatible serial interface.
- Does the LTC2373-16 have an internal oscillator for setting the conversion time?
Yes, it has an internal oscillator that sets the conversion time.
