Overview
The LTC2203IUK, 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 25Msps and is optimized for applications requiring high accuracy and speed. The LTC2203 features a programmable gain amplifier (PGA) front end, allowing the input range to be optimized for different signal levels. It is particularly suited for demanding applications such as telecommunications, receivers, cellular base stations, spectrum analysis, and imaging systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Sampling Rate | 25 Msps | |
| Number of Bits | 16 | |
| Signal-to-Noise Ratio (SNR) | 81.6 dB | dBFS |
| Spurious Free Dynamic Range (SFDR) | 100 dB | dBFS |
| Full Power Bandwidth | 380 MHz | |
| Integral Nonlinearity (INL) | ±4 LSB | |
| Differential Nonlinearity (DNL) | ±1 LSB (no missing codes) | |
| Analog Supply Voltage | 3.135 V to 3.465 V | V |
| Output Supply Voltage | 0.5 V to 3.6 V | V |
| Package Type | 48-QFN (7x7 mm) | |
| Operating Temperature | -40°C to 85°C | °C |
| Power Dissipation | 220 mW | mW |
Key Features
- Programmable Gain Amplifier (PGA) Front End: Allows optimization of the input range for different signal levels.
- 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.
- Flexible Output Supply: CMOS output swing from 0.5 V to 3.6 V.
- Single-Ended CLK Input: Controls converter operation.
- Optional Clock Duty Cycle Stabilizer: Ensures high performance at full speed with a wide range of clock duty cycles.
- Out-of-Range Indicator: Provides an indication when the input signal exceeds the full-scale range.
- Optional Internal Dither and Data Output Randomizer: Enhances performance in certain applications.
Applications
- Telecommunications: Suitable for high-speed data conversion in telecom systems.
- Receivers: Used in various receiver applications requiring high dynamic range and accuracy.
- Cellular Base Stations: Ideal for base station equipment due to its high performance and reliability.
- Spectrum Analysis: Utilized in spectrum analyzers for precise signal analysis.
- Imaging Systems: Applied in medical and industrial imaging systems where high-resolution data conversion is necessary.
- ATE (Automated Test Equipment): Used in test and measurement equipment for its high accuracy and speed.
Q & A
- What is the sampling rate of the LTC2203IUK?
The LTC2203IUK has a sampling rate of 25 Msps.
- What is the resolution of the LTC2203IUK?
The LTC2203IUK is a 16-bit analog-to-digital converter.
- What is the signal-to-noise ratio (SNR) of the LTC2203IUK?
The SNR of the LTC2203IUK is 81.6 dB.
- What is the spurious free dynamic range (SFDR) of the LTC2203IUK?
The SFDR of the LTC2203IUK is 100 dB.
- What is the full power bandwidth of the LTC2203IUK?
The full power bandwidth of the LTC2203IUK is 380 MHz.
- What is the package type of the LTC2203IUK?
The LTC2203IUK comes in a 48-QFN (7x7 mm) package.
- What is the operating temperature range of the LTC2203IUK?
The operating temperature range of the LTC2203IUK is -40°C to 85°C.
- Does the LTC2203IUK have an optional clock duty cycle stabilizer?
Yes, the LTC2203IUK has an optional clock duty cycle stabilizer to ensure high performance at full speed with a wide range of clock duty cycles.
- What are some common applications of the LTC2203IUK?
The LTC2203IUK is commonly used in telecommunications, receivers, cellular base stations, spectrum analysis, imaging systems, and automated test equipment.
- Is the LTC2203IUK RoHS compliant?
Yes, the LTC2203IUK is lead-free and RoHS compliant.
