Overview
The LTC2246IUH#PBF is a 14-bit, 25Msps (mega-samples per second) low-power analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This pipelined ADC is designed for high-speed applications and operates on a single 3V supply, making it suitable for power-sensitive designs. The device is available in a 32-lead QFN (5mm x 5mm x 0.75mm) package, which is compact and suitable for a variety of modern electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 25 Msps |
| Supply Voltage | 3V |
| Output Supply Range | 0.5V to 3.6V |
| Integral Nonlinearity (INL) | ±1 LSB (typ) |
| Differential Nonlinearity (DNL) | ±0.5 LSB (typ) |
| Transition Noise | 1 LSB RMS |
| Package Type | 32-Lead QFN (5mm x 5mm x 0.75mm) |
| Operating Temperature Range | -40°C to 85°C (I-grade) |
Key Features
- High-Speed Operation: The LTC2246IUH#PBF operates at a sampling rate of 25 Msps, making it suitable for high-speed applications.
- Low Power Consumption: The device operates on a single 3V supply, enabling low power operation.
- Flexible Output Supply: The output can drive logic levels from 0.5V to 3.6V.
- Clock Duty Cycle Stabilizer: An optional clock duty cycle stabilizer ensures high performance across a wide range of clock duty cycles.
- Shutdown and Nap Modes: These modes help in reducing power consumption during idle periods.
- Pipelined Architecture: The pipelined architecture contributes to its high-speed and low-power characteristics.
Applications
- Wireless and Wired Broadband Communication: Suitable for high-speed data conversion in communication systems.
- Imaging Systems: Used in medical and industrial imaging applications requiring high-speed data acquisition.
- Ultrasound: Employed in ultrasound systems for medical diagnostics.
- Spectral Analysis: Used in various spectral analysis applications due to its high sampling rate and resolution.
- Portable Instrumentation: Ideal for portable instruments requiring low power and high-speed data conversion.
Q & A
- What is the resolution of the LTC2246IUH#PBF ADC?
The LTC2246IUH#PBF has a resolution of 14 bits.
- What is the maximum sampling rate of the LTC2246IUH#PBF?
The maximum sampling rate is 25 Msps.
- What is the supply voltage for the LTC2246IUH#PBF?
The device operates on a single 3V supply.
- What is the output supply range for the LTC2246IUH#PBF?
The output can drive logic levels from 0.5V to 3.6V.
- What is the typical integral nonlinearity (INL) of the LTC2246IUH#PBF?
The typical INL is ±1 LSB.
- Does the LTC2246IUH#PBF have any power-saving modes?
Yes, it has shutdown and nap modes to reduce power consumption during idle periods.
- What type of package does the LTC2246IUH#PBF come in?
The device is available in a 32-lead QFN (5mm x 5mm x 0.75mm) package.
- What are some common applications of the LTC2246IUH#PBF?
Common applications include wireless and wired broadband communication, imaging systems, ultrasound, spectral analysis, and portable instrumentation.
- Does the LTC2246IUH#PBF have a clock duty cycle stabilizer?
Yes, it has an optional clock duty cycle stabilizer for high performance across a wide range of clock duty cycles.
- What is the operating temperature range of the LTC2246IUH#PBF?
The operating temperature range is -40°C to 85°C for the I-grade version.
