Overview
The LTC2309HF#TRPBF is a high-performance, 8-channel, 12-bit successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This ADC is distinguished by its low noise, low power consumption, and compact design, making it ideal for a variety of applications, including battery-operated and portable devices, as well as space-constrained systems. The LTC2309 features an I²C compatible serial interface, an internal reference, and a fully differential sample-and-hold circuit to minimize common mode noise. It operates from a single 5V supply and achieves a fast conversion time of 1.3μs.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 8 |
| Conversion Time | 1.3μs |
| Throughput Rate | Up to 14ksps |
| Supply Voltage | 5V |
| Current Consumption | 300μA at 1ksps, 35μW in sleep mode |
| Signal-to-Noise Ratio (SNR) | 73.4dB |
| Input Range | Unipolar or Bipolar (Software Selectable) |
| Operating Temperature | -40°C to 125°C (TSSOP Package) |
| Package Options | 24-pin QFN (4mm x 4mm), 20-pin TSSOP |
| Interface | I²C compatible serial interface |
Key Features
- Low noise and low power consumption, making it suitable for battery-operated and portable applications.
- Internal 2.5V reference and 8-channel multiplexer to reduce PCB board space requirements.
- Fast conversion time of 1.3μs and a throughput rate of up to 14ksps.
- I²C compatible serial interface with nine addresses plus one global address for synchronization.
- Fully differential sample-and-hold circuit to reduce common mode noise.
- Guaranteed no missing codes.
- Compact packages: 24-pin QFN (4mm x 4mm) and 20-pin TSSOP.
Applications
The LTC2309 is well-suited for various applications due to its low power consumption, small size, and high performance. Key applications include:
- Battery-operated and portable devices.
- Space-constrained systems.
- Industrial process control.
- Motor control.
- Any system requiring low noise, high accuracy, and efficient power management.
Q & A
- What is the resolution of the LTC2309 ADC?
The LTC2309 has a 12-bit resolution. - How many channels does the LTC2309 support?
The LTC2309 supports 8 channels. - What is the conversion time of the LTC2309?
The conversion time is 1.3μs. - What is the throughput rate of the LTC2309?
The throughput rate is up to 14ksps. - What is the supply voltage for the LTC2309?
The supply voltage is 5V. - How much current does the LTC2309 consume at 1ksps?
The current consumption is 300μA at 1ksps. - What is the signal-to-noise ratio (SNR) of the LTC2309?
The SNR is 73.4dB. - What are the package options for the LTC2309?
The package options are 24-pin QFN (4mm x 4mm) and 20-pin TSSOP. - What interface does the LTC2309 use?
The LTC2309 uses an I²C compatible serial interface. - What are the operating temperature ranges for the LTC2309?
The operating temperature ranges are -40°C to 125°C for the TSSOP package.
