Overview
The LTC2378IMS-16#PBF is a high-performance, 16-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 2.5V supply and features a fully differential input range with a reference voltage (VREF) ranging from 2.5V to 5.1V. The LTC2378IMS-16#PBF is ideal for a wide range of high-speed applications due to its fast 1Msps throughput and no cycle latency.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Number of Channels | 1 Channel |
| Sampling Rate | 1 MS/s |
| Analog Supply Voltage | 2.5 V |
| Input Type | Differential |
| Architecture | SAR |
| Reference Type | External |
| Package / Case | MSOP-16 |
| Power Dissipation | 13.5 mW |
| INL - Integral Nonlinearity | ±0.5 LSB |
| DNL - Differential Nonlinearity | 0.1 LSB |
| SINAD - Signal to Noise and Distortion Ratio | 97 dB |
| SFDR - Spurious Free Dynamic Range | 123 dB |
| Operating Temperature | -40°C ~ 125°C |
| Data Interface | SPI-compatible |
Key Features
- Low noise and low power consumption, making it suitable for power-sensitive applications.
- High-speed operation with a sampling rate of 1 MS/s and no cycle latency.
- Fully differential input range with VREF ranging from 2.5V to 5.1V.
- Internal oscillator sets the conversion time, simplifying external timing considerations.
- Automatic power-down between conversions to reduce power dissipation.
- Digital gain compression (DGC) function to eliminate the need for a negative supply voltage while preserving full resolution.
- SPI-compatible serial interface supporting 1.8V, 2.5V, 3.3V, and 5V logic with daisy-chain mode.
Applications
- High-speed data acquisition systems.
- Industrial automation and control systems.
- Medical devices requiring high precision and low noise.
- Aerospace and defense applications where reliability and performance are critical.
- Automotive systems, including advanced driver-assistance systems (ADAS).
Q & A
- What is the resolution of the LTC2378IMS-16#PBF? The resolution is 16 bits.
- What is the sampling rate of the LTC2378IMS-16#PBF? The sampling rate is 1 MS/s.
- What is the power consumption of the LTC2378IMS-16#PBF? The power dissipation is 13.5 mW.
- What type of input does the LTC2378IMS-16#PBF have? The input is differential.
- What is the operating temperature range of the LTC2378IMS-16#PBF? The operating temperature range is -40°C ~ 125°C.
- Does the LTC2378IMS-16#PBF support SPI interface? Yes, it supports SPI-compatible serial interface.
- What is the purpose of the digital gain compression (DGC) function in the LTC2378IMS-16#PBF? The DGC function eliminates the need for a negative supply voltage while preserving the full resolution of the ADC.
- How does the LTC2378IMS-16#PBF manage power consumption during idle periods? The ADC automatically powers down between conversions to reduce power dissipation.
- What is the signal-to-noise and distortion ratio (SINAD) of the LTC2378IMS-16#PBF? The SINAD is 97 dB.
- What is the spurious free dynamic range (SFDR) of the LTC2378IMS-16#PBF? The SFDR is 123 dB.
