Overview
The LTC2255IUH#TRPBF is a high-performance, 14-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the LTC2255 series and is designed for digitizing high-frequency, wide dynamic range signals. It operates at a sampling rate of 125 Msps and is ideal for demanding applications such as imaging and communications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 125 Msps |
| Supply Voltage | 2.85V to 3.4V (single supply) |
| Package Type | 32-Pin QFN (5mm x 5mm x 0.75mm with exposed pad) |
| SNR (at Nyquist frequency) | 72.3 dB |
| SFDR (at Nyquist frequency) | 85 dB |
| Integral Nonlinearity (INL) | ±1 LSB (typical) |
| Differential Nonlinearity (DNL) | ±0.5 LSB (typical) |
| Transition Noise | 1.3 LSB RMS |
| Output Supply Voltage | 0.5V to 3.3V |
| Clock Input | Single-ended CLK input |
| RoHS Compliance | Yes |
Key Features
- High-speed sampling at 125 Msps
- Low power operation with a single 3V supply
- Optional clock duty cycle stabilizer for high performance across various clock duty cycles
- Shutdown and nap modes for power management
- Pin-compatible family with other LTC225x models
- High AC performance with 72.3 dB SNR and 85 dB SFDR at the Nyquist frequency
- Low transition noise of 1.3 LSB RMS
- No missing codes over temperature
Applications
- Wireless and wired broadband communication
- Imaging systems
- Ultrasound
- Spectral analysis
- Portable instrumentation
Q & A
- What is the resolution of the LTC2255IUH#TRPBF ADC?
The resolution is 14 bits. - What is the maximum sampling rate of the LTC2255IUH#TRPBF?
The maximum sampling rate is 125 Msps. - What is the supply voltage range for the LTC2255IUH#TRPBF?
The supply voltage range is 2.85V to 3.4V. - What type of package does the LTC2255IUH#TRPBF come in?
The package type is a 32-Pin QFN (5mm x 5mm x 0.75mm with exposed pad). - What is the SNR of the LTC2255IUH#TRPBF at the Nyquist frequency?
The SNR is 72.3 dB. - Does the LTC2255IUH#TRPBF have any power-saving modes?
Yes, it has shutdown and nap modes for power management. - Is the LTC2255IUH#TRPBF RoHS compliant?
Yes, it is RoHS compliant. - What are some typical applications of the LTC2255IUH#TRPBF?
Typical applications include wireless and wired broadband communication, imaging systems, ultrasound, spectral analysis, and portable instrumentation. - What is the transition noise of the LTC2255IUH#TRPBF?
The transition noise is 1.3 LSB RMS. - Can the LTC2255IUH#TRPBF drive different logic levels?
Yes, the output supply allows the outputs to drive 0.5V to 3.3V logic.
