Overview
The LTC2377IDE-20#TRPBF is a high-performance 20-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices, Inc. This device is designed for low noise, low power, and high-speed applications. Operating from a single 2.5V supply, it offers a fully differential input range and achieves high accuracy with no missing codes at 20 bits. The LTC2377IDE-20#TRPBF is ideal for various high-speed applications due to its fast 500ksps throughput and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices, Inc. |
| Description | 20-Bit Analog to Digital Converter |
| Package | 16-Lead DFN (4mm x 3mm w/ EP) |
| Supply Voltage (Digital/Analog) | 2.375 V ~ 2.625 V |
| Sampling Rate | 500 kSPS |
| Reference Type | External |
| Input Type | Differential |
| Number of Bits | 20 |
| Number of A/D Converters | 1 |
| Operating Temperature | -40°C ~ 85°C |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Data Interface | SPI |
| Architecture | SAR |
| Power Consumption | 10.5 mW |
Key Features
- High Accuracy: Achieves ±2ppm INL maximum with no missing codes at 20 bits and a 104dB SNR.
- Low Power Consumption: Consumes only 10.5 mW, with automatic power-down between conversions to reduce power dissipation.
- High-Speed SPI Interface: Supports 1.8V, 2.5V, 3.3V, and 5V logic and features a daisy-chain mode.
- Digital Gain Compression (DGC): Eliminates the need for a negative supply while preserving full resolution.
- Fast Throughput: 500 kSPS sampling rate with no cycle latency.
- Internal Oscillator: Sets the conversion time, easing external timing considerations.
Applications
- Industrial Automation: Suitable for precise data acquisition in industrial environments.
- Medical Devices: Ideal for high-accuracy measurements in medical equipment.
- IoT Devices: Used in Internet of Things applications requiring low power and high accuracy.
- Scientific Instruments: Applicable in various scientific and measurement instruments.
- High-Speed Data Acquisition Systems: Perfect for systems requiring fast and accurate data conversion.
Q & A
- What is the resolution of the LTC2377IDE-20#TRPBF?
The LTC2377IDE-20#TRPBF is a 20-bit analog-to-digital converter.
- What is the sampling rate of the LTC2377IDE-20#TRPBF?
The sampling rate is 500 kSPS.
- What is the supply voltage range for the LTC2377IDE-20#TRPBF?
The supply voltage range is 2.375 V to 2.625 V.
- What type of input does the LTC2377IDE-20#TRPBF support?
The LTC2377IDE-20#TRPBF supports differential inputs.
- What is the operating temperature range of the LTC2377IDE-20#TRPBF?
The operating temperature range is -40°C to 85°C.
- Does the LTC2377IDE-20#TRPBF have an internal oscillator?
Yes, it has an internal oscillator that sets the conversion time.
- What is the power consumption of the LTC2377IDE-20#TRPBF?
The power consumption is 10.5 mW.
- What is the digital interface of the LTC2377IDE-20#TRPBF?
The digital interface is SPI-compatible and supports 1.8V, 2.5V, 3.3V, and 5V logic.
- Does the LTC2377IDE-20#TRPBF support daisy-chain mode?
Yes, it supports daisy-chain mode.
- What is the significance of the Digital Gain Compression (DGC) feature in the LTC2377IDE-20#TRPBF?
The DGC feature eliminates the need for a negative supply while preserving the full resolution of the ADC.
