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‌LM15851NKE: 12-bit, 4.0GSPS, RF sampled wideband receiver

Main characteristics

Outstanding noise and linearity performance, up to FIN = 3GHz or more

Configurable digital down-converter (DDC)

The extraction factor range is from 4 to 32 (complex baseband output)

Under the conditions of 4x extraction rate and 4000MSPS, the available output bandwidth is 800MHz

Under the conditions of 32x extraction rate and 4000MSPS, the available output bandwidth is 100MHz

Low pin number JESD204B subclass 1 interface

Automatically optimize the output channel count

Embedded low-latency signal range indication

Low power consumption

In addition, the main specifications of LM15851NKE include:

Maximum sampling rate: 4000MSPS

Minimum sampling rate: 1000MSPS

DDC output word size: 15-digit complex number (total 30 digits)

Third-order intermodulation distortion (IMD3) : -64 DBC (At -13 DBFS, FIN = 2140MHz ± 30MHz)

Full power Bandwidth (FPBW) (-3dB) : 3.2GHz

Power supply voltage: 1.9V and 1.2V

Power consumption

10 times extraction rate (4000MSPS) : 20,000

Power-off mode: < 50mW

Application field

The LM15851NKE is widely applied in the following fields:

Wireless infrastructure

• RF sampling software-defined radio

• Broadband microwave return journey

Cable Data Service Interface Specification (DOCSIS)/ Cable Infrastructure

Description

The LM15851NKE is a 12-bit RF sampling wideband receiver designed for a wide variety of applications requiring wideband sampling, especially in communications, test instrumentation, and radar systems.Texas Instruments' (TI) Giga-Subsampling Analog-to-Digital Converter (ADC) technology enables direct sampling of a wide range of spectrum using RF.The integrated DDC (digital downconverter) allows digital filtering and downconversion.The selected frequency block applies to the JESD204B serial interface.Data is output as baseband 15-bit complex information to ease downstream processing.This data is output on channels 1 to 5 of the serial interface, depending on the digital downconverter (DDC) decimation rate and the link output rate settings.

The LM15851NKE device adopts a 68-pin ultra-thin tetragonal flat leadless (VQFN) package. The industrial ambient operating temperature range of this device is -40 °C ≤ TA ≤ 85°C.

To obtain a product quote for the LM15851Nke transceiver, please contact Mingjiada Electronics online at www.hkmjd.com.