Overview
The LTC2157IUP-14#TRPBF is a 14-bit, dual-channel, simultaneous sampling 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 communications and other high-performance applications. It features a single 1.8V supply, low power consumption, and high-speed operation with a sampling rate of 250Msps. The ADC also includes double data rate (DDR) LVDS outputs and an optional clock duty cycle stabilizer for enhanced performance.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 250 Msps |
| Input Bandwidth | 1.25 GHz |
| Signal-to-Noise Ratio (SNR) | 70 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Power Consumption | 650 mW (total) |
| Supply Voltage | 1.8 V |
| Output Type | DDR LVDS |
| Package Type | 64-Lead QFN (9mm x 9mm x 0.75mm) |
| Integral Non-Linearity (INL) | ±0.85 LSB (typ) |
| Differential Non-Linearity (DNL) | ±0.25 LSB (typ) |
Key Features
- 70 dB SNR and 90 dB SFDR for high AC performance
- Low power consumption: 650 mW total
- Single 1.8 V supply
- DDR LVDS outputs
- Easy-to-drive 1.5 V p-p input range
- Optional clock duty cycle stabilizer
- Low power sleep and nap modes
- Serial SPI port for configuration
- Pin-compatible 12-bit versions
- 64-pin QFN package (9mm x 9mm x 0.75mm)
Applications
- Communications
- Cellular Base Stations
- Software Defined Radios
- Medical Imaging
- High Definition Video
- Testing and Measurement Instruments
Q & A
- What is the resolution of the LTC2157IUP-14#TRPBF ADC?
The resolution of the LTC2157IUP-14#TRPBF ADC is 14 bits. - What is the maximum sampling rate of the LTC2157IUP-14#TRPBF?
The maximum sampling rate is 250 Msps. - What is the input bandwidth of the LTC2157IUP-14#TRPBF?
The input bandwidth is 1.25 GHz. - What is the signal-to-noise ratio (SNR) of the LTC2157IUP-14#TRPBF?
The SNR is 70 dB. - What type of output does the LTC2157IUP-14#TRPBF use?
The output type is DDR LVDS. - What is the power consumption of the LTC2157IUP-14#TRPBF?
The total power consumption is 650 mW. - What is the supply voltage for the LTC2157IUP-14#TRPBF?
The supply voltage is 1.8 V. - What package type is used for the LTC2157IUP-14#TRPBF?
The package type is a 64-Lead QFN (9mm x 9mm x 0.75mm). - Does the LTC2157IUP-14#TRPBF have any power-saving modes?
Yes, it has low power sleep and nap modes. - Is there an optional clock duty cycle stabilizer available for the LTC2157IUP-14#TRPBF?
Yes, there is an optional clock duty cycle stabilizer.
