Overview
The LTC2439-1CGN#TRPBF is a high-precision, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the microPOWER™ series and is designed for low-power, high-accuracy applications. It features a sigma-delta architecture and supports both differential and single-ended input channels. The LTC2439-1 is versatile, allowing for configuration as either 8 differential channels or 16 single-ended channels, making it suitable for a wide range of measurement and sensing applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | LTC2439-1CGN#TRPBF |
| Package | 28-Lead SSOP (Narrow 0.15 Inch) |
| Resolution | 16-bit |
| Number of Channels | 8 differential or 16 single-ended |
| Sampling Rate | 6.8 samples per second |
| Supply Voltage (Digital and Analog) | 2.7V to 5.5V |
| Operating Temperature | -40°C to 85°C |
| Input Type | Differential, Single-Ended |
| Reference Type | External |
| Data Interface | SPI, MICROWIRE |
| Integral Non-Linearity (INL) | 0.12LSB |
| RMS Noise | 1µV |
| Common Mode Rejection | Better than 140dB |
Key Features
- Sigma-Delta Architecture: Provides high accuracy and low noise for precise measurements.
- Flexible Input Configuration: Can be configured for 8 differential channels or 16 single-ended channels.
- Low Power Consumption: Part of the microPOWER™ series, making it suitable for battery-powered and low-power applications.
- High Accuracy: Features 0.12LSB INL and 1µV RMS noise for high-precision measurements.
- Integrated Oscillator: No external frequency setting components required; can also be driven by an external oscillator.
- Flexible Reference Voltage: Accepts any external differential reference voltage from 0.1V to VCC.
- High Common Mode Rejection: Better than 140dB DC common mode input rejection.
- SPI and MICROWIRE Compatibility: Flexible 4-wire digital interface compatible with SPI and MICROWIRE protocols.
Applications
The LTC2439-1CGN#TRPBF is suitable for various applications requiring high-precision analog-to-digital conversion, including:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: For accurate data acquisition in medical equipment.
- Remote Sensing: For ratiometric and remote sensing applications.
- Aerospace and Defense: For high-reliability and high-accuracy measurement systems.
- Automotive Systems: For robust and precise data acquisition in automotive applications.
Q & A
- What is the resolution of the LTC2439-1CGN#TRPBF ADC?
The resolution is 16 bits.
- How many channels does the LTC2439-1CGN#TRPBF support?
It supports 8 differential channels or 16 single-ended channels.
- What is the sampling rate of the LTC2439-1CGN#TRPBF?
The sampling rate is 6.8 samples per second.
- What is the supply voltage range for the LTC2439-1CGN#TRPBF?
The supply voltage range is 2.7V to 5.5V for both digital and analog supplies.
- What type of data interface does the LTC2439-1CGN#TRPBF use?
The device uses a flexible 4-wire digital interface compatible with SPI and MICROWIRE protocols.
- What is the operating temperature range of the LTC2439-1CGN#TRPBF?
The operating temperature range is -40°C to 85°C.
- Can the LTC2439-1CGN#TRPBF be configured for different input types?
Yes, it can be configured for either differential or single-ended input channels.
- What is the common mode rejection of the LTC2439-1CGN#TRPBF?
The common mode rejection is better than 140dB.
- Does the LTC2439-1CGN#TRPBF have an integrated oscillator?
Yes, it has an integrated oscillator that requires no external frequency setting components.
- What is the noise performance of the LTC2439-1CGN#TRPBF?
The RMS noise is 1µV.
