Overview
The LTC2378CDE-20#TRPBF is a high-performance, 20-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is renowned for its low noise, low power consumption, and high-speed operation. It operates from a single 2.5V supply and features a fully differential input range with a reference voltage (VREF) that can range from 2.5V to 5.1V. The ADC achieves a sampling rate of 1 million samples per second (Msps) with no cycle latency, making it ideal for a wide variety of high-speed applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Description | 20-Bit, 1Msps, Low Power SAR ADC |
| Voltage - Supply, Digital/Analog | 2.375 V ~ 2.625 V |
| Package/Case | 16-WFDFN Exposed Pad |
| Operating Temperature | 0°C ~ 70°C |
| Number of Bits | 20 |
| Number of A/D Converters | 1 |
| Sampling Rate (Per Second) | 1 Msps |
| Reference Type | External |
| Input Type | Differential |
| Power Consumption | 21 mW |
| Signal-to-Noise Ratio (SNR) | 104 dB |
| Integral Nonlinearity (INL) | ±2 ppm maximum |
| Data Interface | SPI-compatible serial interface |
Key Features
- High-Speed Operation: The LTC2378CDE-20#TRPBF operates at a sampling rate of 1 Msps with no cycle latency, making it suitable for high-speed applications.
- Low Power Consumption: It consumes only 21 mW, which is beneficial for power-sensitive designs.
- High Accuracy: The ADC achieves ±2 ppm maximum integral nonlinearity (INL) and no missing codes at 20 bits, ensuring high accuracy in conversions.
- Fully Differential Input: The device features a fully differential input range, which maximizes the signal swing that can be digitized.
- Digital Gain Compression (DGC): The ADC includes a unique DGC function that eliminates the need for a negative supply voltage while preserving full resolution.
- SPI-Compatible Serial Interface: Supports 1.8V, 2.5V, 3.3V, and 5V logic and features a daisy-chain mode for multiple device configurations.
Applications
The LTC2378CDE-20#TRPBF is ideally suited for a variety of high-speed applications, including:
- Industrial Automation: High-precision data acquisition and control systems.
- Medical Devices: High-resolution imaging and diagnostic equipment.
- Aerospace and Defense: High-speed data acquisition in harsh environments.
- Test and Measurement: Precision measurement instruments and data loggers.
- Automotive Systems: Advanced driver-assistance systems (ADAS) and autonomous vehicles.
Q & A
- What is the sampling rate of the LTC2378CDE-20#TRPBF?
The sampling rate is 1 million samples per second (Msps).
- What is the power consumption of the LTC2378CDE-20#TRPBF?
The power consumption is 21 mW.
- What is the integral nonlinearity (INL) of the LTC2378CDE-20#TRPBF?
The INL is ±2 ppm maximum.
- Does the LTC2378CDE-20#TRPBF support differential inputs?
Yes, it features fully differential inputs.
- What type of serial interface does the LTC2378CDE-20#TRPBF use?
The device uses an SPI-compatible serial interface.
- What is the operating temperature range of the LTC2378CDE-20#TRPBF?
The operating temperature range is 0°C to 70°C.
- Is the LTC2378CDE-20#TRPBF RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What is the package type of the LTC2378CDE-20#TRPBF?
The package type is 16-WFDFN Exposed Pad.
- Does the LTC2378CDE-20#TRPBF have a digital gain compression (DGC) feature?
Yes, it includes a unique DGC function.
- What is the signal-to-noise ratio (SNR) of the LTC2378CDE-20#TRPBF?
The SNR is 104 dB.
