Overview
The LTC2376CDE-20#TRPBF is a high-performance, 20-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This ADC is renowned for its low noise, low power consumption, and high-speed operation. It operates from a single 2.5V supply and features a fully differential input range with a reference voltage (VREF) that can range from 2.5V to 5.1V. The device is ideal for various high-speed applications due to its fast 250ksps throughput and no cycle latency.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | LTC2376CDE-20#TRPBF |
| Brand | Analog Devices Inc. |
| Description | 1-Channel Single ADC SAR 250ksps 20-bit Serial 16-Pin DFN EP T/R |
| Input Type | Differential |
| Architecture | SAR |
| Reference Type | External |
| Package / Case | 16-Lead DFN (4mm x 3mm w/ EP) |
| Resolution | 20 bit |
| Number of Channels | 1 Channel |
| Sampling Rate | 250 kS/s |
| Analog Supply Voltage | 2.5 V |
| Power Dissipation | 5.25 mW |
| SFDR - Spurious Free Dynamic Range | 128 dB |
| SINAD - Signal to Noise and Distortion Ratio | 104 dB |
| THD - Total Harmonic Distortion | -125 dB |
| INL - Integral Nonlinearity | 0.5 LSB |
| DNL - Differential Nonlinearity | 0.2 LSB |
| Operating Temperature | 0°C ~ 70°C |
| Data Interface | SPI |
Key Features
- High Precision: 20-bit resolution with ±2ppm INL maximum and no missing codes.
- Low Power Consumption: Operates at 5.3mW from a single 2.5V supply.
- High-Speed Operation: Sampling rate of 250ksps with no cycle latency.
- Fully Differential Input: Input range with VREF from 2.5V to 5.1V.
- Digital Gain Compression (DGC): Eliminates the need for a negative supply voltage while preserving full resolution.
- SPI-Compatible Interface: Supports 1.8V, 2.5V, 3.3V, and 5V logic with daisy-chain mode.
- Automatic Power Down: Reduces power dissipation between conversions.
Applications
- High-Speed Data Acquisition Systems: Ideal for applications requiring fast and accurate data conversion.
- Industrial Automation: Suitable for precision measurement and control systems.
- Medical Devices: Used in medical imaging and diagnostic equipment where high precision is critical.
- Aerospace and Defense: Applies to various military and aerospace applications requiring high reliability and precision.
- Test and Measurement Equipment: Utilized in oscilloscopes, signal analyzers, and other precision measurement tools.
Q & A
- What is the resolution of the LTC2376CDE-20#TRPBF ADC?
The resolution is 20 bits.
- What is the sampling rate of the LTC2376CDE-20#TRPBF?
The sampling rate is 250 kilosamples per second (ksps).
- What is the power consumption of the LTC2376CDE-20#TRPBF?
The power consumption is approximately 5.3 milliwatts (mW).
- What type of input does the LTC2376CDE-20#TRPBF have?
The input is fully differential.
- What is the operating temperature range of the LTC2376CDE-20#TRPBF?
The operating temperature range is from 0°C to 70°C.
- Does the LTC2376CDE-20#TRPBF support SPI interface?
Yes, it supports SPI-compatible interface with 1.8V, 2.5V, 3.3V, and 5V logic.
- What is the INL (Integral Nonlinearity) of the LTC2376CDE-20#TRPBF?
The INL is 0.5 LSB.
- Does the LTC2376CDE-20#TRPBF have automatic power down feature?
Yes, it automatically powers down between conversions to reduce power dissipation.
- What is the SFDR (Spurious Free Dynamic Range) of the LTC2376CDE-20#TRPBF?
The SFDR is 128 dB.
- What is the THD (Total Harmonic Distortion) of the LTC2376CDE-20#TRPBF?
The THD is -125 dB.
