Overview
The LTC2203CUK, produced by Analog Devices Inc., is a high-performance 16-bit analog-to-digital converter (ADC) designed for digitizing high-frequency, wide dynamic range signals. This ADC operates at a sampling rate of 25 million samples per second (Msps) and is ideal for demanding applications requiring high accuracy and speed. The LTC2203CUK features a pipelined architecture and is housed in a 48-pin QFN (Quad Flat No-Lead) package with an exposed pad, ensuring efficient thermal management and compact design.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Sampling Frequency | 1 | 25 | 25 | MHz | |
| Resolution | 16 | bits | |||
| Signal-to-Noise Ratio (SNR) | 1MHz Input (2.5V Range, PGA = 0) | 81.6 | dBFS | ||
| Spurious Free Dynamic Range (SFDR) | 1MHz Input (2.5V Range, PGA = 0) | 100 | dB | ||
| Analog Supply Voltage | 3.135 | 3.3 | 3.465 | V | |
| Output Supply Voltage | 0.5 | 3.6 | V | ||
| Power Dissipation | 220 | mW | |||
| Full Power Bandwidth | 380 MHz | ||||
| Integral Nonlinearity (INL) | ±4LSB | ||||
| Differential Nonlinearity (DNL) | ±1LSB |
Key Features
- High Sampling Rate: 25 Msps for the LTC2203 and 10 Msps for the LTC2202.
- High AC Performance: 81.6 dB SNR and 100 dB SFDR at 2.5V input range.
- PGA Front End: Allows optimization of the input range with 2.5V or 1.667V peak-to-peak input ranges.
- Full Power Bandwidth: Up to 380 MHz.
- Optional Internal Dither and Data Output Randomizer: Enhances performance in certain applications.
- Single 3.3V Supply: Simplifies power management.
- Clock Duty Cycle Stabilizer: Ensures high performance across a wide range of clock duty cycles.
- Out-of-Range Indicator: Provides status on input signal levels.
- Pin Compatible Family: Compatible with other models in the series.
- Compact Package: 48-pin QFN package with an exposed pad for thermal management.
Applications
- Telecommunications: Ideal for high-speed data conversion in telecom systems.
- Receivers: Used in various receiver applications requiring high dynamic range and accuracy.
- Cellular Base Stations: Suitable for base station equipment due to its high performance and reliability.
- Spectrum Analysis: Utilized in spectrum analyzers for precise signal measurement.
- Imaging Systems: Applied in medical and industrial imaging systems where high-resolution data conversion is necessary.
- Automated Test Equipment (ATE): Used in test and measurement equipment for its high accuracy and speed.
Q & A
- What is the sampling rate of the LTC2203CUK?
The LTC2203CUK has a sampling rate of 25 Msps.
- What is the resolution of the LTC2203CUK?
The resolution of the LTC2203CUK is 16 bits.
- What is the signal-to-noise ratio (SNR) of the LTC2203CUK?
The SNR of the LTC2203CUK is 81.6 dB at a 1 MHz input with a 2.5V range and PGA = 0.
- What is the spurious free dynamic range (SFDR) of the LTC2203CUK?
The SFDR of the LTC2203CUK is 100 dB at a 1 MHz input with a 2.5V range and PGA = 0.
- What is the full power bandwidth of the LTC2203CUK?
The full power bandwidth of the LTC2203CUK is up to 380 MHz.
- What is the power supply voltage range for the LTC2203CUK?
The power supply voltage range for the LTC2203CUK is from 3.135V to 3.465V.
- Does the LTC2203CUK have an optional clock duty cycle stabilizer?
Yes, the LTC2203CUK has an optional clock duty cycle stabilizer to ensure high performance across a wide range of clock duty cycles.
- What package type is the LTC2203CUK available in?
The LTC2203CUK is available in a 48-pin QFN package with an exposed pad.
- What are some common applications of the LTC2203CUK?
The LTC2203CUK is commonly used in telecommunications, receivers, cellular base stations, spectrum analysis, imaging systems, and automated test equipment (ATE).
- Is the LTC2203CUK RoHS compliant?
Yes, the LTC2203CUK is RoHS compliant.
