Overview
The LTC2378IDE-20#PBF, produced by Analog Devices Inc., is a high-performance 20-bit successive approximation register (SAR) analog-to-digital converter (ADC). This device is renowned for its low noise, low power consumption, and high speed, making it ideal for a wide range of high-speed applications. Operating from a single 2.5V supply, the LTC2378-20 offers a fully differential input range and supports various logic levels for its SPI-compatible serial interface.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 20 bits |
| Sample Rate | 1 Msps |
| Supply Voltage | 2.5V |
| Input Range | ±5V fully differential |
| Power Consumption | 21mW |
| Integral Nonlinearity (INL) | ±2ppm max |
| Signal-to-Noise Ratio (SNR) | 104dB |
| Package | 16-Lead DFN (4mm x 3mm w/ EP) |
| Logic Levels | 1.8V, 2.5V, 3.3V, 5V |
Key Features
- Low noise and low power consumption, making it suitable for power-sensitive applications.
- High speed with 1 Msps throughput and no cycle latency.
- SPI-compatible serial interface with daisy-chain mode support.
- Internal oscillator for setting conversion time, reducing external timing requirements.
- Automatic power-down between conversions to reduce power dissipation.
- Unique digital gain compression (DGC) function to eliminate the need for a negative supply voltage while maintaining full resolution.
Applications
- High-speed data acquisition systems.
- Medical imaging and diagnostic equipment.
- Aerospace and defense applications requiring high precision and low power.
- Industrial automation and control systems.
- Test and measurement instruments.
Q & A
- What is the resolution of the LTC2378IDE-20#PBF?
The LTC2378IDE-20#PBF has a resolution of 20 bits.
- What is the sample rate of the LTC2378IDE-20#PBF?
The sample rate is 1 Msps (1 million samples per second).
- What is the power consumption of the LTC2378IDE-20#PBF?
The power consumption is 21mW.
- What is the input range of the LTC2378IDE-20#PBF?
The input range is ±5V fully differential.
- Does the LTC2378IDE-20#PBF support multiple logic levels?
- What is the Signal-to-Noise Ratio (SNR) of the LTC2378IDE-20#PBF?
The SNR is 104dB.
- Does the LTC2378IDE-20#PBF have an internal oscillator?
- What is the purpose of the digital gain compression (DGC) function in the LTC2378IDE-20#PBF?
The DGC function eliminates the need for a negative supply voltage while maintaining full resolution.
- How does the LTC2378IDE-20#PBF manage power consumption during idle periods?
The device automatically powers down between conversions to reduce power dissipation.
- What package type is the LTC2378IDE-20#PBF available in?
The device is available in a 16-Lead DFN (4mm x 3mm w/ EP) package.
