Overview
The LTC2272IUJ is a high-performance 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2272 series, which includes the LTC2273 and LTC2272 models, each offering different sampling rates. The LTC2272IUJ operates at a sampling rate of 65 Msps, making it suitable for applications requiring high-speed data conversion.
Designed with a pipelined architecture, this ADC features a high-speed serial interface compliant with the JEDEC JESD204 specification. It is optimized for digitizing high-frequency, wide dynamic range signals, with an input bandwidth of 700 MHz. The device includes a programmable gain amplifier (PGA) front end, allowing for input range optimization.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 16 | |
| Sampling Rate | 65 Msps | |
| Input Type | Differential | |
| Input Bandwidth | 700 MHz | |
| PGA Input Range | 2.25 Vpp or 1.5 Vpp | |
| Supply Voltage (Analog/Digital) | 3.135 V to 3.465 V | V |
| Power Dissipation | 990 mW | mW |
| Operating Temperature | -40°C to 85°C | °C |
| Package | 40-QFN (6mm x 6mm) | |
| Data Interface | JESD204 | |
| Reference Type | External, Internal |
Key Features
- Pipelined Architecture: Ensures high-speed operation and efficient data conversion.
- High-Speed Serial Interface: Compliant with JEDEC JESD204 specification for high-speed data transfer.
- Programmable Gain Amplifier (PGA): Allows for input range optimization with 2.25 Vpp or 1.5 Vpp input ranges.
- High Input Bandwidth: 700 MHz input bandwidth for digitizing high-frequency signals.
- Single 3.3V Supply: Simplifies power management with a single supply voltage.
- Low Power Dissipation: 990 mW power dissipation for energy-efficient operation.
- Wide Operating Temperature Range: -40°C to 85°C, making it suitable for various environmental conditions.
- Optional Internal Dither: Enhances signal-to-noise ratio and dynamic range.
- Clock Duty Cycle Stabilizer: Ensures stable clock operation.
Applications
- Telecommunications: Ideal for high-speed data conversion in telecommunications systems.
- Receivers and Cellular Base Stations: Used in receiver systems and cellular base stations for signal processing.
- Spectrum Analysis: Suitable for high-frequency signal analysis in spectrum analyzers.
- Imaging Systems: Applied in medical and industrial imaging systems requiring high-speed data conversion.
- Automated Test Equipment (ATE): Used in ATE systems for precise and high-speed signal measurement.
Q & A
- What is the sampling rate of the LTC2272IUJ?
The LTC2272IUJ operates at a sampling rate of 65 Msps.
- What type of input does the LTC2272IUJ support?
The LTC2272IUJ supports differential inputs.
- What is the input bandwidth of the LTC2272IUJ?
The input bandwidth of the LTC2272IUJ is 700 MHz.
- What is the supply voltage range for the LTC2272IUJ?
The supply voltage range for the LTC2272IUJ is 3.135 V to 3.465 V.
- What is the power dissipation of the LTC2272IUJ?
The power dissipation of the LTC2272IUJ is 990 mW.
- What is the operating temperature range of the LTC2272IUJ?
The operating temperature range of the LTC2272IUJ is -40°C to 85°C.
- What type of package does the LTC2272IUJ come in?
The LTC2272IUJ comes in a 40-QFN (6mm x 6mm) package.
- What data interface does the LTC2272IUJ use?
The LTC2272IUJ uses the JESD204 data interface.
- Does the LTC2272IUJ have an internal dither option?
Yes, the LTC2272IUJ has an optional internal dither feature.
- What are some common applications of the LTC2272IUJ?
The LTC2272IUJ is commonly used in telecommunications, receivers, cellular base stations, spectrum analysis, imaging systems, and automated test equipment.
