Overview
The LTC2270CUP#PBF is a high-performance, two-channel simultaneous sampling 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed to digitize high-frequency, wide dynamic range signals, making it ideal for demanding applications that require excellent AC performance. The LTC2270 features an impressive signal-to-noise ratio (SNR) of 84.1 dB and a spurious free dynamic range (SFDR) of 99 dB, ensuring high accuracy and reliability in signal conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Sampling Rate | 20 Msps |
| SNR | 84.1 dB |
| SFDR | 99 dB |
| INL (Max) | ±2.3 LSB |
| DNL (Typ) | ±0.2 LSB |
| Power Consumption | 160 mW (Total), 80 mW per Channel |
| Supply Voltage | Single 1.8 V |
| Output Formats | CMOS, DDR CMOS, DDR LVDS |
| Input Ranges | 1 V P-P to 2.1 V P-P |
| Full Power Bandwidth S/H | 200 MHz |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP) |
Key Features
- Two-channel simultaneous sampling ADC
- Low power consumption: 160 mW total, 80 mW per channel
- Single 1.8 V supply
- CMOS, DDR CMOS, or DDR LVDS outputs
- Selectable input ranges: 1 V P-P to 2.1 V P-P
- 200 MHz full power bandwidth S/H
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin compatible with LTC2180 and LTC2140-14
- Optional clock duty cycle stabilizer for high performance at full speed
Applications
- Low power instrumentation
- Software defined radios
- Portable medical imaging
- Multi-channel data acquisition
Q & A
- What is the resolution of the LTC2270 ADC?
The LTC2270 is a 16-bit analog-to-digital converter. - What is the sampling rate of the LTC2270?
The sampling rate of the LTC2270 is 20 Msps. - What is the signal-to-noise ratio (SNR) of the LTC2270?
The SNR of the LTC2270 is 84.1 dB. - What is the spurious free dynamic range (SFDR) of the LTC2270?
The SFDR of the LTC2270 is 99 dB. - What are the output formats available for the LTC2270?
The LTC2270 supports CMOS, DDR CMOS, and DDR LVDS output formats. - What is the power consumption of the LTC2270?
The total power consumption is 160 mW, with 80 mW per channel. - What are the input ranges for the LTC2270?
The input ranges are selectable from 1 V P-P to 2.1 V P-P. - Does the LTC2270 support power management features?
Yes, the LTC2270 includes shutdown and nap modes for power management. - Is the LTC2270 pin compatible with other models?
Yes, it is pin compatible with the LTC2180 and LTC2140-14. - What is the package type of the LTC2270CUP#PBF?
The package type is a 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP).
