Overview
The LTC2305CDE#PBF is a 2-channel, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the LTC2301/LTC2305 series, known for its low noise, low power consumption, and high precision. The ADC features a successive approximation register (SAR) architecture and an I²C compatible serial interface, making it suitable for a wide range of applications, particularly in space-constrained and battery-operated systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 2 channels |
| Throughput Rate | Up to 14 kS/s |
| Supply Voltage | Single 5V supply |
| Power Consumption | 1.5 mW at 1 kS/s, 35 μW in sleep mode |
| Conversion Time | 1.3 μs |
| Signal-to-Noise Ratio (SNR) | 73.5 dB |
| Operating Temperature Range | -40°C to 85°C (depending on the grade) |
| Package Type | 12-Lead DFN (4mm x 3mm w/ EP) or 12-Lead MSOP |
| Analog Input Voltage | 0V to 4.096V (unipolar), ±2.048V (bipolar) |
| Digital Interface | I²C compatible serial interface |
Key Features
- Low noise and low power consumption, making it ideal for battery-operated and portable applications.
- Internal 2.5V reference, reducing PCB board space requirements.
- Fully differential sample-and-hold circuit to reduce common mode noise.
- Guaranteed no missing codes.
- 2-wire I²C compatible serial interface with 9 addresses plus one global for synchronization.
- Small package options (12-Lead DFN and MSOP) suitable for space-constrained systems.
Applications
The LTC2305CDE#PBF is well-suited for various applications, including:
- Battery-operated devices due to its low power consumption.
- Portable electronics where space and power efficiency are critical.
- Industrial control systems requiring precise analog-to-digital conversion.
- Medical devices that need high accuracy and low noise in signal conversion.
- Automotive systems where reliability and precision are essential.
Q & A
- What is the resolution of the LTC2305CDE#PBF ADC?
The LTC2305CDE#PBF has a 12-bit resolution.
- How many channels does the LTC2305CDE#PBF support?
The LTC2305CDE#PBF supports 2 channels.
- What is the maximum throughput rate of the LTC2305CDE#PBF?
The maximum throughput rate is up to 14 kS/s.
- What is the supply voltage requirement for the LTC2305CDE#PBF?
The device operates from a single 5V supply.
- How much power does the LTC2305CDE#PBF consume at 1 kS/s?
The power consumption is 1.5 mW at 1 kS/s.
- What is the conversion time of the LTC2305CDE#PBF?
The conversion time is 1.3 μs.
- What is the signal-to-noise ratio (SNR) of the LTC2305CDE#PBF?
The SNR is 73.5 dB.
- What are the package options available for the LTC2305CDE#PBF?
The device is available in 12-Lead DFN and 12-Lead MSOP packages.
- What is the operating temperature range for the LTC2305CDE#PBF?
The operating temperature range is -40°C to 85°C (depending on the grade).
- What type of digital interface does the LTC2305CDE#PBF use?
The device uses an I²C compatible serial interface.
