Overview
The LTC2378CDE-20#PBF is a high-performance, low-power, 20-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This ADC operates from a single 2.5V supply and is known for its low noise, high speed, and low power consumption. It features a serial SPI-compatible interface and supports various logic levels, making it versatile for a wide range of high-speed applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 20 bits |
| Sample Rate | 1 Msps |
| Supply Voltage | 2.375V to 2.625V |
| Input Range | ±5V fully differential |
| Signal to Noise Ratio (SNR) | 104 dB |
| Integral Nonlinearity Error (INL) | ±2 ppm max |
| Power Consumption | 21 mW |
| Interface Type | Serial (SPI) |
| Package Type | 16-Lead DFN Exposed Pad |
| Operating Temperature Range | 0°C to 70°C |
Key Features
- Low noise and low power consumption, making it suitable for power-sensitive applications.
- High-speed operation with a 1 Msps sample rate and no cycle latency.
- Serial SPI-compatible interface supporting 1.8V, 2.5V, 3.3V, and 5V logic levels.
- Digital gain compression (DGC) function to eliminate the need for a negative supply voltage while preserving full resolution.
- Automatic power-down between conversions to reduce power dissipation.
- Internal oscillator for setting the conversion time, simplifying external timing considerations.
Applications
- High-speed data acquisition systems.
- Medical imaging and diagnostic equipment.
- Aerospace and defense applications requiring high precision and low power consumption.
- Industrial automation and control systems.
- Test and measurement instruments.
Q & A
- What is the resolution of the LTC2378CDE-20#PBF ADC?
The LTC2378CDE-20#PBF has a 20-bit resolution.
- What is the sample rate of the LTC2378CDE-20#PBF?
The sample rate is 1 Msps (1 million samples per second).
- What is the supply voltage range for the LTC2378CDE-20#PBF?
The supply voltage range is 2.375V to 2.625V.
- What is the input range of the LTC2378CDE-20#PBF?
The input range is ±5V fully differential.
- What is the signal to noise ratio (SNR) of the LTC2378CDE-20#PBF?
The SNR is 104 dB.
- What is the power consumption of the LTC2378CDE-20#PBF?
The power consumption is 21 mW.
- What type of interface does the LTC2378CDE-20#PBF use?
The interface is serial SPI-compatible.
- What is the package type of the LTC2378CDE-20#PBF?
The package type is 16-Lead DFN Exposed Pad.
- What is the operating temperature range of the LTC2378CDE-20#PBF?
The operating temperature range is 0°C to 70°C.
- Does the LTC2378CDE-20#PBF have any special power-saving features?
Yes, it automatically powers down between conversions to reduce power dissipation.
