Overview
The LTC2162CUK, 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 is part of the LTC2162/LTC2161/LTC2160 family and is particularly suited for demanding communications applications. It features excellent AC performance, including a signal-to-noise ratio (SNR) of 77 dB and a spurious free dynamic range (SFDR) of 90 dB. The ultralow jitter of 0.07 ps RMS enables undersampling of IF frequencies with excellent noise performance.
Key Specifications
| Parameter | Typical Value | Units |
|---|---|---|
| Resolution | 16 | Bits |
| Integral Linearity Error | ±2 | LSB |
| Differential Linearity Error | ±0.5 | LSB |
| Offset Error | ±1.5 | mV |
| Gain Error (Internal Reference) | ±1.5 | %FS |
| Sampling Rate | 65 Msps | |
| Analog Supply Voltage | 1.7 V to 1.9 V | |
| Digital Supply Voltage | 1.1 V to 1.9 V | |
| Analog Input Voltage Range | -2 V to +2 V | |
| Operating Temperature | 0°C to 70°C | |
| Package | 48-WFQFN Exposed Pad | |
| Data Interface | LVDS, Parallel |
Key Features
- High-Speed Sampling: The LTC2162CUK operates at a sampling rate of 65 Msps, making it suitable for high-frequency signal processing.
- Low Jitter: Ultralow jitter of 0.07 ps RMS allows for excellent noise performance, especially in undersampling applications.
- High AC Performance: Features a SNR of 77 dB and an SFDR of 90 dB, ensuring high-quality signal conversion.
- Flexible Output Modes: Supports full rate CMOS, double data rate CMOS, and double data rate LVDS output modes.
- Low Power Consumption: The device has a power dissipation of approximately 92 mW at 65 Msps, contributing to energy-efficient operation.
- Pipelined Architecture: Utilizes a pipelined architecture with a sample and hold (S/H) to ADC ratio of 1:1, ensuring efficient and accurate conversion.
- External and Internal Reference Options: Supports both external and internal reference configurations for flexibility in system design.
Applications
- Communications Systems: Ideal for demanding communications applications due to its high AC performance and low jitter.
- Signal Processing: Suitable for applications requiring the digitization of high-frequency, wide dynamic range signals.
- Medical Imaging: Can be used in medical imaging equipment where high-resolution and fast sampling rates are necessary.
- Industrial Automation: Applicable in industrial automation systems that require precise and rapid signal conversion.
- Aerospace and Defense: Used in various aerospace and defense applications where high-performance ADCs are critical.
Q & A
- What is the resolution of the LTC2162CUK ADC?
The LTC2162CUK has a resolution of 16 bits.
- What is the sampling rate of the LTC2162CUK?
The sampling rate is 65 Msps.
- What are the typical operating temperatures for the LTC2162CUK?
The operating temperature range is from 0°C to 70°C.
- What types of output modes does the LTC2162CUK support?
The device supports full rate CMOS, double data rate CMOS, and double data rate LVDS output modes.
- What is the power dissipation of the LTC2162CUK at 65 Msps?
The power dissipation is approximately 92 mW.
- Does the LTC2162CUK support both external and internal reference configurations?
Yes, it supports both external and internal reference configurations.
- What is the typical integral linearity error of the LTC2162CUK?
The typical integral linearity error is ±2 LSB.
- What is the typical differential linearity error of the LTC2162CUK?
The typical differential linearity error is ±0.5 LSB.
- What is the package type of the LTC2162CUK?
The package type is 48-WFQFN Exposed Pad.
- What are the typical analog and digital supply voltage ranges for the LTC2162CUK?
The analog supply voltage range is 1.7 V to 1.9 V, and the digital supply voltage range is 1.1 V to 1.9 V.
