Overview
The LTC2203IUK#PBF is a high-performance 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for digitizing high-frequency, wide dynamic range signals, making it suitable for demanding applications. The LTC2203 operates at a sample rate of 25 Msps and features a programmable gain amplifier (PGA) front end to optimize the input range.
Key Specifications
| Parameter | Value |
|---|---|
| Sample Rate | 25 Msps / 10 Msps (LTC2202) |
| Resolution | 16-bit |
| SNR | 81.6 dB |
| SFDR | 100 dB (2.5V range), 90 dB (1.667V P-P input range at 70 MHz) |
| Full Power Bandwidth S/H | 380 MHz |
| Supply Voltage | Single 3.3V |
| Power Dissipation | 220 mW / 140 mW |
| Package | 48-Lead QFN (7mm x 7mm x 0.75mm w/ EP) |
| Output Swing | 0.5V to 3.6V (CMOS output) |
Key Features
- Programmable Gain Amplifier (PGA) front end with 2.5V P-P or 1.667V P-P input range
- Optional internal dither and data output randomizer
- Clock duty cycle stabilizer for high performance at full speed with a wide range of clock duty cycles
- Out-of-range indicator
- Pin compatible family with LTC2202 (10 Msps)
- Separate output power supply allowing CMOS output swing from 0.5V to 3.6V
Applications
- Telecommunications
- Receivers
- Cellular Base Stations
- Spectrum Analysis
- Imaging Systems
- Automated Test Equipment (ATE)
Q & A
- What is the sample rate of the LTC2203?
The LTC2203 operates at a sample rate of 25 Msps, while the LTC2202 operates at 10 Msps.
- What is the resolution of the LTC2203?
The LTC2203 is a 16-bit analog-to-digital converter.
- What are the key AC performance specifications of the LTC2203?
The LTC2203 features 81.6 dB SNR and 100 dB SFDR (2.5V range), with 90 dB SFDR at 70 MHz (1.667V P-P input range).
- What is the full power bandwidth of the sample and hold (S/H) of the LTC2203?
The full power bandwidth of the S/H is 380 MHz.
- What is the supply voltage requirement for the LTC2203?
The LTC2203 operates on a single 3.3V supply.
- What are the power dissipation values for the LTC2203?
The power dissipation is 220 mW / 140 mW.
- What package type is the LTC2203 available in?
The LTC2203 is available in a 48-Lead QFN package (7mm x 7mm x 0.75mm w/ EP).
- What is the range of the CMOS output swing for the LTC2203?
The CMOS output swing ranges from 0.5V to 3.6V.
- Does the LTC2203 have any optional features?
Yes, the LTC2203 includes optional internal dither, data output randomizer, and a clock duty cycle stabilizer.
- What are some typical applications of the LTC2203?
The LTC2203 is used in telecommunications, receivers, cellular base stations, spectrum analysis, imaging systems, and automated test equipment (ATE).
