Overview
The LTC2377CDE-20#PBF is a high-precision, low-power, and high-speed 20-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 2.5V supply and features a fully differential input range with a reference voltage (VREF) ranging from 2.5V to 5.1V. It is designed for applications requiring high resolution, low noise, and fast sampling rates.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 20 bits |
| Number of Channels | 1 Channel |
| Sampling Rate | 500 kS/s |
| Analog Supply Voltage | 2.5 V |
| Input Type | Differential |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External |
| Package / Case | 16-DFN (4x3) |
| Power Dissipation | 10.5 mW |
| INL (Integral Nonlinearity) | ±2 ppm (max), 0.5 LSB |
| DNL (Differential Nonlinearity) | 0.2 LSB |
| SNR (Signal to Noise Ratio) | 104 dB |
| SFDR (Spurious Free Dynamic Range) | 128 dB |
| THD (Total Harmonic Distortion) | -125 dB |
| Operating Temperature | 0°C ~ 70°C |
| Data Interface | SPI-compatible serial interface |
Key Features
- High precision with 20-bit resolution and no missing codes.
- Low power consumption of 10.5 mW.
- High-speed sampling rate of 500 kS/s with no cycle latency.
- Fully differential input range with VREF from 2.5V to 5.1V.
- SPI-compatible serial interface supporting 1.8V, 2.5V, 3.3V, and 5V logic.
- Daisy-chain mode for multiple device operation.
- Internal oscillator for conversion timing.
- Automatic power-down between conversions to reduce power dissipation.
- Digital gain compression (DGC) function to eliminate the need for a negative supply voltage.
Applications
The LTC2377CDE-20#PBF is ideally suited for a wide range of high-speed applications, including:
- Medical imaging and diagnostics.
- Industrial control systems.
- High-resolution data acquisition systems.
- Aerospace and defense applications.
- Automotive and automotive safety systems.
Q & A
- What is the resolution of the LTC2377CDE-20#PBF?
The resolution is 20 bits. - What is the sampling rate of the LTC2377CDE-20#PBF?
The sampling rate is 500 kS/s. - What is the power supply voltage for the LTC2377CDE-20#PBF?
The power supply voltage is 2.5 V. - What type of input does the LTC2377CDE-20#PBF have?
The input is differential. - What is the architecture of the LTC2377CDE-20#PBF?
The architecture is Successive Approximation Register (SAR). - What is the package type of the LTC2377CDE-20#PBF?
The package type is 16-DFN (4x3). - What is the power dissipation of the LTC2377CDE-20#PBF?
The power dissipation is 10.5 mW. - Does the LTC2377CDE-20#PBF support daisy-chain mode?
Yes, it supports daisy-chain mode for multiple device operation. - What is the operating temperature range of the LTC2377CDE-20#PBF?
The operating temperature range is 0°C ~ 70°C. - What is the signal-to-noise ratio (SNR) of the LTC2377CDE-20#PBF?
The SNR is 104 dB.
