Overview
The LTC2379IMS-18#PBF is a high-performance, low-power, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-speed applications, operating from a single 2.5V supply and featuring a fully differential input range. The LTC2379IMS-18#PBF is known for its low noise, high speed, and low power consumption, making it suitable for a wide range of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Number of Channels | 1 Channel |
| Sampling Rate | 1.6 MS/s |
| Analog Supply Voltage | 2.5 V |
| Input Type | Differential |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External |
| Package / Case | 16-Lead MSOP |
| Mounting Style | SMD/SMT |
| Power Dissipation | 18 mW |
| INL (Integral Nonlinearity) | ±2 LSB |
| DNL (Differential Nonlinearity) | 0.2 LSB |
| SINAD (Signal to Noise and Distortion Ratio) | 101 dB |
| SFDR (Spurious Free Dynamic Range) | 122 dB |
| Operating Temperature | 0°C to 70°C |
Key Features
- High-Speed Conversion: The LTC2379IMS-18#PBF features a fast 1.6 MS/s sampling rate with no cycle latency, making it ideal for high-speed applications.
- Low Power Consumption: The device consumes only 18 mW of power and automatically powers down between conversions to reduce power dissipation.
- High Accuracy: It achieves ±2 LSB INL maximum with no missing codes at 18 bits and a high SINAD of 101 dB.
- Digital Gain Compression (DGC): The ADC includes a DGC function that eliminates the need for a negative supply voltage while preserving full resolution.
- SPI-Compatible Interface: Supports 1.8V, 2.5V, 3.3V, and 5V logic and features a daisychain mode for easy integration.
- Fully Differential Input Range: The device operates with a ±VREF fully differential input range, where VREF can range from 2.5V to 5.1V.
Applications
- Medical Imaging: The high resolution and fast sampling rates make it suitable for medical imaging applications.
- Industrial Control Systems: Ideal for applications requiring precise and fast analog-to-digital conversion.
- High-Speed Data Acquisition: Suitable for applications that require rapid and accurate conversion of analog signals to digital data.
- Aerospace and Defense: The device's high accuracy and reliability make it a good fit for aerospace and defense applications.
- Test and Measurement Equipment: Used in various test and measurement instruments due to its high performance and low noise characteristics.
Q & A
- What is the resolution of the LTC2379IMS-18#PBF?
The resolution of the LTC2379IMS-18#PBF is 18 bits.
- What is the sampling rate of the LTC2379IMS-18#PBF?
The sampling rate is 1.6 MS/s.
- What is the power consumption of the LTC2379IMS-18#PBF?
The device consumes 18 mW of power.
- What type of input does the LTC2379IMS-18#PBF support?
The device supports a fully differential input range.
- What is the operating temperature range of the LTC2379IMS-18#PBF?
The operating temperature range is from 0°C to 70°C.
- Does the LTC2379IMS-18#PBF support SPI interface?
Yes, it supports SPI-compatible interface with 1.8V, 2.5V, 3.3V, and 5V logic.
- What is the purpose of the Digital Gain Compression (DGC) function in the LTC2379IMS-18#PBF?
The DGC function eliminates the need for a negative supply voltage while preserving the full resolution of the ADC.
- How does the LTC2379IMS-18#PBF manage power dissipation?
The device automatically powers down between conversions to reduce power dissipation.
- What is the SFDR of the LTC2379IMS-18#PBF?
The Spurious Free Dynamic Range (SFDR) is 122 dB.
- What are some typical applications of the LTC2379IMS-18#PBF?
Typical applications include medical imaging, industrial control systems, high-speed data acquisition, aerospace and defense, and test and measurement equipment.
