Overview
The LTC2376-20, produced by Analog Devices Inc., is a high-performance, low-power, 20-bit successive approximation register (SAR) analog-to-digital converter (ADC). This device operates from a single 2.5V supply and is designed for high-speed applications with its fast 250ksps throughput and no cycle latency. The LTC2376-20 features a fully differential input range with a reference voltage (VREF) that can range from 2.5V to 5.1V, making it versatile for various signal processing needs. It is known for its low noise and high linearity, achieving ±2ppm INL maximum and 104dB SNR, with no missing codes at 20 bits.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 20 bits |
| Sample Rate | 250 ksps |
| Supply Voltage | 2.5V |
| Input Range | ±VREF (VREF: 2.5V to 5.1V) |
| Power Consumption | 5.3 mW |
| INL (Integral Non-Linearity) | ±2 ppm maximum |
| SNR (Signal-to-Noise Ratio) | 104 dB |
| Interface | SPI-compatible serial interface (1.8V, 2.5V, 3.3V, 5V logic) |
| Package | 16-Lead DFN (4x3) |
Key Features
- Low noise and high linearity with ±2ppm INL maximum and 104dB SNR.
- High-speed operation with 250ksps throughput and no cycle latency.
- Low power consumption of 5.3mW, with automatic power-down between conversions.
- 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.
- Internal oscillator for setting conversion time, reducing 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.
- Scientific instruments and test equipment.
Q & A
- What is the resolution of the LTC2376-20 ADC?
The LTC2376-20 has a resolution of 20 bits.
- What is the sample rate of the LTC2376-20?
The sample rate of the LTC2376-20 is 250 ksps.
- What is the supply voltage for the LTC2376-20?
The supply voltage for the LTC2376-20 is 2.5V.
- What is the input range of the LTC2376-20?
The input range of the LTC2376-20 is ±VREF with VREF ranging from 2.5V to 5.1V.
- How much power does the LTC2376-20 consume?
The LTC2376-20 consumes 5.3 mW of power.
- What is the INL (Integral Non-Linearity) of the LTC2376-20?
The INL of the LTC2376-20 is ±2 ppm maximum.
- What is the SNR (Signal-to-Noise Ratio) of the LTC2376-20?
The SNR of the LTC2376-20 is 104 dB.
- What type of interface does the LTC2376-20 use?
The LTC2376-20 uses a SPI-compatible serial interface supporting 1.8V, 2.5V, 3.3V, and 5V logic.
- What is the package type of the LTC2376-20?
The LTC2376-20 is available in a 16-Lead DFN (4x3) package.
- Does the LTC2376-20 have any special power-saving features?
Yes, the LTC2376-20 automatically powers down between conversions to reduce power dissipation.
