Overview
The LTC2309HF#PBF is a high-performance, 8-channel, 12-bit successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is characterized by its low noise, low power consumption, and compact design, making it ideal for a variety of applications, especially in battery-operated and portable systems. The LTC2309 features an I²C compatible serial interface, an internal 2.5V reference, and a fully differential sample-and-hold circuit to minimize common mode noise.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 8 |
| Resolution | 12-bit |
| Conversion Time | 1.3μs |
| Supply Voltage | 5V |
| Current Consumption | 300μA at 1ksps |
| Interface | I²C compatible serial interface |
| Internal Reference | 2.5V |
| Package Options | 24-pin QFN (4mm × 4mm × 0.75mm), 20-pin TSSOP |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Low noise and low power consumption, making it suitable for battery-operated devices.
- Fast conversion time of 1.3μs.
- I²C compatible serial interface for easy communication.
- Internal 2.5V reference and fully differential sample-and-hold circuit to reduce common mode noise.
- Compact package options including 24-pin QFN and 20-pin TSSOP.
- Nap mode to reduce power dissipation when not converting.
Applications
The LTC2309HF#PBF is well-suited for a variety of applications due to its low power consumption, compact size, and high performance. Key applications include:
- Battery-operated and portable devices.
- Space-constrained systems where the 2-wire I²C interface is beneficial.
- Medical devices requiring low noise and high accuracy.
- Industrial automation and control systems.
- Automotive and aerospace applications where reliability and precision are critical.
Q & A
- What is the resolution of the LTC2309HF#PBF ADC?
The LTC2309HF#PBF has a resolution of 12 bits. - What is the conversion time of the LTC2309HF#PBF?
The conversion time is 1.3μs. - What is the supply voltage for the LTC2309HF#PBF?
The supply voltage is 5V. - How much current does the LTC2309HF#PBF consume at 1ksps?
The current consumption is 300μA at 1ksps. - What interface does the LTC2309HF#PBF use?
The LTC2309HF#PBF uses an I²C compatible serial interface. - What are the package options for the LTC2309HF#PBF?
The package options include a 24-pin QFN (4mm × 4mm × 0.75mm) and a 20-pin TSSOP. - What is the operating temperature range of the LTC2309HF#PBF?
The operating temperature range is -40°C to 85°C. - Does the LTC2309HF#PBF have an internal reference?
Yes, it has an internal 2.5V reference. - What is the purpose of the nap mode in the LTC2309HF#PBF?
The nap mode reduces power dissipation when the ADC is not converting. - What types of applications is the LTC2309HF#PBF suitable for?
The LTC2309HF#PBF is suitable for battery-operated and portable devices, space-constrained systems, medical devices, industrial automation, and automotive and aerospace applications.
