Overview
The LTC2284CUP is a 14-bit, 105Msps, low power dual 3V analog-to-digital converter (ADC) designed by Analog Devices Inc. This converter is optimized for digitizing high frequency, wide dynamic range signals, making it ideal for demanding imaging and communications applications. It features excellent AC performance, including a signal-to-noise ratio (SNR) of 72.4dB and a spurious free dynamic range (SFDR) of 85dB for signals at the Nyquist frequency. The device operates on a single 3V supply, allowing for low power consumption, and supports a separate output supply to drive logic levels from 0.5V to 3.6V.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14-bit | |
| Sampling Frequency | 1 to 105 | MHz |
| Signal-to-Noise Ratio (SNR) | 72.4 | dB |
| Spurious Free Dynamic Range (SFDR) | 85 | dB |
| Integral Nonlinearity Error (INL) | ±1.5 LSB | |
| Differential Nonlinearity Error (DNL) | ±0.6 LSB | |
| Transition Noise | 1.3 LSB RMS | |
| Power Supply Voltage | 2.85 to 3.4 | V |
| Operating Temperature Range | 0 to 70 | °C |
| Package Type | QFN-64 | |
| Power Dissipation | 540 mW |
Key Features
- Low power operation with a single 3V supply.
- Separate output supply to drive logic levels from 0.5V to 3.6V.
- Single-ended CLK input with optional clock duty cycle stabilizer for high performance at full speed.
- Excellent AC performance with 72.4dB SNR and 85dB SFDR for signals at the Nyquist frequency.
- Low transition noise of 1.3LSBRMS.
- Dual 3V A/D converters suitable for high frequency, wide dynamic range signals.
- Integral Nonlinearity Error (INL) of ±1.5LSB and Differential Nonlinearity Error (DNL) of ±0.6LSB.
- Operating temperature range of 0°C to 70°C.
Applications
- Demanding imaging applications, such as medical imaging and industrial imaging.
- Communications applications, including wireless and wired communication systems.
- Automotive applications, such as advanced driver-assistance systems (ADAS) and autonomous driving solutions.
- High-performance data acquisition systems.
- Radar and surveillance systems.
Q & A
- What is the resolution of the LTC2284CUP ADC?
The LTC2284CUP is a 14-bit analog-to-digital converter.
- What is the maximum sampling frequency of the LTC2284CUP?
The maximum sampling frequency is 105Msps.
- What is the signal-to-noise ratio (SNR) of the LTC2284CUP?
The SNR is 72.4dB for signals at the Nyquist frequency.
- What is the power supply requirement for the LTC2284CUP?
The device operates on a single 3V supply, with a range of 2.85V to 3.4V.
- What is the operating temperature range of the LTC2284CUP?
The operating temperature range is 0°C to 70°C.
- What package type is the LTC2284CUP available in?
The device is available in a QFN-64 package.
- What are the typical DC specifications for the LTC2284CUP?
The typical DC specifications include ±1.5LSB INL and ±0.6LSB DNL.
- Does the LTC2284CUP support differential inputs?
Yes, the LTC2284CUP supports differential inputs.
- What is the power dissipation of the LTC2284CUP?
The power dissipation is approximately 540 mW.
- What are some common applications of the LTC2284CUP?
Common applications include demanding imaging, communications, automotive systems, and high-performance data acquisition.
