Overview
The LTC2271CUKG is a 2-channel, simultaneous sampling 16-bit analog-to-digital converter (ADC) designed by Analog Devices, Inc. This device is optimized for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding communications applications. It operates on a single 1.8V supply and features low power consumption, with a total power of 185mW and 92mW per channel. The ADC is known for its high AC performance, including an 84.1dB signal-to-noise ratio (SNR) and a 99dB spurious free dynamic range (SFDR).
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16-bit | |
| Sampling Frequency | 5 to 20 | MHz |
| Signal-to-Noise Ratio (SNR) | 84.1 | dB |
| Spurious Free Dynamic Range (SFDR) | 99 | dB |
| Integral Non-Linearity (INL) | ±1 LSB (typ) | |
| Differential Non-Linearity (DNL) | ±0.2 LSB (typ) | |
| Transition Noise | 1.44 LSB RMS | |
| Input Range | 1V to 2.1V P-P | |
| Full-Power Bandwidth | 200 MHz | |
| Supply Voltage | 1.8V | |
| Total Power Consumption | 185 mW | |
| Package Type | 52-Lead QFN (7mm x 8mm x 0.75mm) |
Key Features
- 2-channel simultaneous sampling ADC
- Serial LVDS outputs: 1, 2, or 4 bits per channel with optional internal termination and adjustable output levels
- High AC performance: 84.1dB SNR and 99dB SFDR
- Low power consumption: 185mW total, 92mW per channel
- Single 1.8V supply
- Selectable input ranges: 1V to 2.1V P-P
- 200MHz full-power bandwidth sample-and-hold (S/H)
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin compatible with LTC2190
Applications
- Low Power Instrumentation
- Software-Defined Radios
- Portable Medical Imaging
- Multi-Channel Data Acquisition
Q & A
- What is the resolution of the LTC2271CUKG ADC?
The LTC2271CUKG has a 16-bit resolution.
- What is the sampling frequency range of the LTC2271CUKG?
The sampling frequency range is from 5 to 20 MHz.
- What is the signal-to-noise ratio (SNR) of the LTC2271CUKG?
The SNR is 84.1 dB.
- What is the spurious free dynamic range (SFDR) of the LTC2271CUKG?
The SFDR is 99 dB.
- What is the power consumption of the LTC2271CUKG?
The total power consumption is 185 mW, with 92 mW per channel.
- What is the supply voltage for the LTC2271CUKG?
The supply voltage is 1.8V.
- What are the input ranges for the LTC2271CUKG?
The input ranges are selectable from 1V to 2.1V P-P.
- Does the LTC2271CUKG support different output modes?
Yes, it supports serial LVDS outputs with 1, 2, or 4 bits per channel.
- What are some typical applications of the LTC2271CUKG?
Typical applications include low power instrumentation, software-defined radios, portable medical imaging, and multi-channel data acquisition.
- What is the package type of the LTC2271CUKG?
The package type is a 52-Lead QFN (7mm x 8mm x 0.75mm).
