Overview
The LTC2285IUP#PBF is a dual 14-bit, 125 Msps (mega-samples per second) low-power analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high-speed data acquisition applications, offering excellent performance in terms of linearity, dynamic range, and power efficiency. The LTC2285 features a pipelined architecture, which allows for high conversion rates while maintaining low power consumption.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Analog Input Range (AIN+ – AIN–) | 2.85V < VDD < 3.4V | ±0.5V | ±1V | V | |
| Sample Rate | 125 | Msps | |||
| Resolution | 14 bits | ||||
| Differential Linearity Error | –1 ±0.6 | 1.1 LSB | |||
| Offset Error | –12 ±2 | 12 mV | |||
| Gain Error (External Reference) | –2.5 ±0.5 | 2.5 %FS | |||
| Power Consumption (IVDD) | 260 | mA | |||
| Package Type | 64-QFN (9x9) |
Key Features
- Dual 14-bit ADC with 125 Msps conversion rate.
- Pipelined architecture for high-speed data acquisition.
- Low power consumption, suitable for battery-powered applications.
- High linearity with differential linearity error of ±1.1 LSB.
- Low offset error and gain error.
- Internal and external reference options with low drift.
- Single-ended CLK input.
- 64-QFN (9x9) package for compact design.
Applications
The LTC2285IUP#PBF is ideal for various high-speed data acquisition applications, including:
- Medical imaging and diagnostics.
- Wireless communication systems.
- Radar and surveillance systems.
- Industrial automation and control systems.
- High-speed data logging and test equipment.
Q & A
- What is the resolution of the LTC2285IUP#PBF ADC?
The LTC2285IUP#PBF has a resolution of 14 bits. - What is the maximum sample rate of the LTC2285IUP#PBF?
The maximum sample rate is 125 Msps. - What is the typical power consumption of the LTC2285IUP#PBF?
The typical power consumption is 260 mA. - What package type does the LTC2285IUP#PBF come in?
The LTC2285IUP#PBF comes in a 64-QFN (9x9) package. - Does the LTC2285IUP#PBF support internal and external reference options?
Yes, it supports both internal and external reference options. - What is the differential linearity error of the LTC2285IUP#PBF?
The differential linearity error is ±1.1 LSB. - What are the typical applications of the LTC2285IUP#PBF?
Typical applications include medical imaging, wireless communication systems, radar and surveillance systems, industrial automation, and high-speed data logging. - How does the pipelined architecture of the LTC2285IUP#PBF work?
The pipelined architecture involves successive stages operating out of phase, where odd stages output their residue while even stages acquire it, and vice versa. - What is the offset error of the LTC2285IUP#PBF?
The offset error is –12 ±2 mV. - Does the LTC2285IUP#PBF have low power consumption?
Yes, it is designed for low power consumption, making it suitable for battery-powered applications.
