Overview
The LTC2254CUH#PBF is a 14-bit, 105Msps analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of a family of low-power, high-speed ADCs that are designed for a variety of high-performance applications. The LTC2254CUH#PBF operates on a single 3V supply and is housed in a 32-lead QFN (5mm x 5mm) package, making it suitable for space-constrained designs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14 | Bits |
| Sampling Rate | 105 Msps | |
| Voltage - Supply, Digital/Analog | 2.85 V ~ 3.4 V | |
| Package / Case | 32-WFQFN Exposed Pad | |
| Operating Temperature | 0°C ~ 70°C | |
| Number of Inputs | 1 | |
| Input Type | Differential, Single Ended | |
| Reference Type | External, Internal | |
| Power Consumption | 320 mW | |
| Signal-to-Noise Ratio (SNR) | 72.4 dB | |
| Spurious Free Dynamic Range (SFDR) | 88 dB | |
| Full Power Bandwidth | 640 MHz |
Key Features
- High-Speed Conversion: The LTC2254CUH#PBF offers a sampling rate of 105 Msps, making it suitable for high-speed data acquisition applications.
- Low Power Consumption: With a power consumption of 320 mW, this ADC is energy-efficient and ideal for battery-powered devices.
- High Accuracy: The device features 14-bit resolution with no missing codes, ensuring high accuracy in digital conversion.
- Flexible Input Range: Supports input ranges from 1 Vpp to 2 Vpp, providing flexibility in various signal processing applications.
- Shutdown and Nap Modes: Includes power-saving modes to reduce power consumption during idle periods.
- Clock Duty Cycle Stabilizer: Ensures stable operation by compensating for variations in the clock duty cycle.
- Pipelined Architecture: Each stage contains an ADC, a reconstruction DAC, and an interstage residue amplifier, operating out of phase for efficient conversion.
Applications
- High-Speed Data Acquisition Systems: Suitable for applications requiring rapid data conversion such as medical imaging, radar systems, and test equipment.
- Communication Systems: Used in wireless communication systems, satellite communications, and other high-speed communication applications.
- Industrial Automation: Applied in industrial control systems, process monitoring, and automation where high-speed and accurate data conversion is necessary.
- Aerospace and Defense: Utilized in various military and aerospace applications where high reliability and performance are critical.
Q & A
- What is the resolution of the LTC2254CUH#PBF ADC?
The LTC2254CUH#PBF has a resolution of 14 bits.
- What is the sampling rate of the LTC2254CUH#PBF?
The sampling rate of the LTC2254CUH#PBF is 105 Msps.
- What is the power supply voltage range for the LTC2254CUH#PBF?
The power supply voltage range is from 2.85 V to 3.4 V.
- What type of package does the LTC2254CUH#PBF come in?
The device is housed in a 32-lead QFN (5mm x 5mm) package.
- What are the operating temperature ranges for the LTC2254CUH#PBF?
The operating temperature range is from 0°C to 70°C.
- Does the LTC2254CUH#PBF support differential and single-ended inputs?
- What is the full power bandwidth of the LTC2254CUH#PBF?
The full power bandwidth is 640 MHz.
- Does the LTC2254CUH#PBF have power-saving modes?
- What is the architecture of the LTC2254CUH#PBF ADC?
The device uses a pipelined architecture with each stage containing an ADC, a reconstruction DAC, and an interstage residue amplifier.
- Is the LTC2254CUH#PBF RoHS compliant?
