Overview
The LTC2309CF is a high-performance, 8-channel, 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Analog Devices, Inc. This ADC is designed for low noise and low power consumption, making it ideal for a variety of applications, including industrial, medical, and portable devices. It features an internal clock, an onboard 2.5V reference, and a fully differential sample-and-hold circuit to reduce common mode noise. The device operates from a single 5V supply and supports both unipolar and bipolar input ranges, which are software selectable.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Number of Channels | 8 | Resolution | 12-bit |
| Throughput Rate | Up to 680ksps | Conversion Time | 1.3µs |
| Supply Voltage | 4.75V to 5.25V | Supply Current | 2.3mA to 3mA at 14ksps |
| Operating Temperature Range | -40°C to 125°C | Package Type | 20-Pin TSSOP |
| Data Interface | I²C compatible serial interface | Input Type | Differential, Single Ended |
| Internal Reference | 2.5V | Power Dissipation | 11.5mW to 15mW at 14ksps |
Key Features
- High-speed data conversion with a throughput rate of up to 680ksps and a conversion time of 1.3µs.
- Low noise performance and low power consumption, making it suitable for battery-operated and portable applications.
- Onboard 2.5V reference and internal oscillator, simplifying system design.
- I²C-compatible serial interface for easy communication with other devices.
- Software selectable unipolar or bipolar input ranges.
- Fully differential sample-and-hold circuit to reduce common mode noise.
- Guaranteed operation from -40°C to 125°C.
Applications
- Fluid flow monitoring and level sensing.
- Gas detection and speed measurement.
- Temperature control and monitoring.
- Analog signal processing and voltage regulation.
- Robotic systems and display panel control.
- Medical and industrial applications requiring high-speed and low-power data conversion.
Q & A
- What is the resolution of the LTC2309CF ADC? The LTC2309CF has a 12-bit resolution.
- How many channels does the LTC2309CF support? The LTC2309CF supports 8 channels.
- What is the throughput rate of the LTC2309CF? The throughput rate of the LTC2309CF is up to 680ksps.
- What is the conversion time of the LTC2309CF? The conversion time of the LTC2309CF is 1.3µs.
- What is the operating temperature range of the LTC2309CF? The operating temperature range is from -40°C to 125°C.
- What type of package does the LTC2309CF come in? The LTC2309CF comes in a 20-Pin TSSOP package.
- Does the LTC2309CF have an onboard reference? Yes, the LTC2309CF has an onboard 2.5V reference.
- What type of data interface does the LTC2309CF use? The LTC2309CF uses an I²C compatible serial interface.
- Is the LTC2309CF suitable for battery-operated applications? Yes, due to its low power consumption, it is suitable for battery-operated and portable applications.
- Can the input ranges of the LTC2309CF be software selected? Yes, the input ranges can be software selected between unipolar and bipolar.
