Overview
The LTC2308IUF#TRPBF is a high-performance, low-noise analog-to-digital converter (ADC) produced by Analog Devices Inc. This 12-bit, 8-channel successive approximation register (SAR) ADC is designed for a wide range of applications requiring high accuracy and low power consumption.
It features an SPI/MICROWIRE compatible serial interface, an internal 2.5V reference, and a fully differential sample-and-hold circuit to minimize common-mode noise. The device operates from a single 5V supply and is packaged in a compact 24-pin QFN package, making it ideal for battery-operated and portable applications.
Key Specifications
| Specification | Value |
|---|---|
| Number of Bits | 12 |
| Number of Channels | 8 |
| Sampling Rate | 500 ksamples/s |
| Supply Voltage | 5V |
| Supply Current at 500ksps | 3.5mA |
| Supply Current in Auto-Shutdown at 1ksps | 200µA |
| Internal Reference Voltage | 2.5V |
| Serial Interface | SPI/MICROWIRE compatible |
| Package Type | 24-pin QFN (4mm x 4mm x 0.75mm) |
Key Features
- Low noise operation with a fully differential sample-and-hold circuit to reduce common-mode noise.
- Internal 2.5V reference to minimize external component requirements.
- 8-channel multiplexer to reduce PCB board space.
- SPI/MICROWIRE compatible serial interface with a maximum SCK frequency of 40MHz.
- Low power consumption with an auto-shutdown feature to reduce supply current to 200µA at lower sample rates.
- Compact 24-pin QFN package suitable for battery-operated and portable applications.
Applications
The LTC2308IUF#TRPBF is well-suited for a variety of applications, including:
- Battery-operated and portable devices due to its low power consumption and compact size.
- Isolated or remote data acquisition systems thanks to its 4-wire SPI compatible serial interface.
- Industrial control systems, medical devices, and automotive systems where high accuracy and reliability are crucial.
Q & A
- What is the resolution of the LTC2308IUF#TRPBF ADC?
The LTC2308IUF#TRPBF has a resolution of 12 bits.
- How many input channels does the LTC2308IUF#TRPBF have?
The LTC2308IUF#TRPBF has 8 input channels.
- What is the maximum sampling rate of the LTC2308IUF#TRPBF?
The maximum sampling rate is 500 ksamples/s.
- What is the supply voltage for the LTC2308IUF#TRPBF?
The supply voltage is 5V.
- What is the typical supply current at a sample rate of 500ksps?
The typical supply current at 500ksps is 3.5mA.
- What is the supply current in auto-shutdown mode at a sample rate of 1ksps?
The supply current in auto-shutdown mode at 1ksps is 200µA.
- What type of serial interface does the LTC2308IUF#TRPBF use?
The LTC2308IUF#TRPBF uses an SPI/MICROWIRE compatible serial interface.
- What is the package type and size of the LTC2308IUF#TRPBF?
The package type is a 24-pin QFN with dimensions of 4mm x 4mm x 0.75mm.
- Is the LTC2308IUF#TRPBF suitable for battery-operated devices?
- What are some common applications for the LTC2308IUF#TRPBF?
