Overview
The LTC2141CUP-14#TRPBF is a 14-bit, 65Msps (mega-samples per second) dual analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the LTC2141-14 series, designed for high-frequency, wide dynamic range signal digitization. It is particularly suited for demanding communications applications due to its excellent AC performance, including a signal-to-noise ratio (SNR) of 73.2dB and a spurious free dynamic range (SFDR) of 90dB. The ADC features low power consumption and high accuracy, making it ideal for various high-performance applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14-bit | |
| Sampling Rate | 65Msps | |
| Signal-to-Noise Ratio (SNR) | 73.2dB | dBFS |
| Spurious Free Dynamic Range (SFDR) | 90dB | dBFS |
| Power Consumption (Total) | 95mW | mW |
| Power Consumption (Per Channel) | 47.5mW | mW |
| Supply Voltage | 1.8V | V |
| Input Range | 1VP-P to 2VP-P | V |
| Full Power Bandwidth | 750MHz | MHz |
| Package Type | 64-Lead QFN (9mm x 9mm x 0.75mm) | |
| Operating Temperature Range | 0°C to 70°C | °C |
Key Features
- Two-channel simultaneous sampling ADC
- Low power consumption: 95mW total, 47.5mW per channel
- Single 1.8V supply voltage
- CMOS, DDR CMOS, or DDR LVDS digital outputs
- Selectable input ranges: 1VP-P to 2VP-P
- Optional data output randomizer and clock duty cycle stabilizer
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Ultralow jitter: 0.08psRMS
- No missing codes over temperature; ±1LSB INL (typ), ±0.3LSB DNL (typ)
Applications
- Communications: cellular base stations, software-defined radios
- Portable medical imaging
- Multi-channel data acquisition
- Nondestructive testing
Q & A
- What is the resolution and sampling rate of the LTC2141CUP-14#TRPBF?
The LTC2141CUP-14#TRPBF has a 14-bit resolution and a sampling rate of 65Msps.
- What is the signal-to-noise ratio (SNR) of this ADC?
The SNR of the LTC2141CUP-14#TRPBF is 73.2dB.
- What is the spurious free dynamic range (SFDR) of this ADC?
The SFDR of the LTC2141CUP-14#TRPBF is 90dB.
- What are the power consumption specifications of this ADC?
The total power consumption is 95mW, with 47.5mW per channel.
- What is the supply voltage for this ADC?
The supply voltage is 1.8V.
- What are the input range options for this ADC?
The input range can be selected between 1VP-P to 2VP-P.
- What types of digital outputs are available?
The digital outputs can be CMOS, DDR CMOS, or DDR LVDS.
- Does this ADC support power management features?
Yes, it supports shutdown and nap modes for power management.
- What is the operating temperature range of this ADC?
The operating temperature range is 0°C to 70°C.
- What is the package type of the LTC2141CUP-14#TRPBF?
The package type is a 64-Lead QFN (9mm x 9mm x 0.75mm).
