The CXD2840ER is a silicon tuner IC manufactured by Sony. It's designed for use in digital terrestrial television (DTT) and digital cable television (DVB-C) receivers. This IC integrates the RF front-end functionality, including the tuner, mixer, and intermediate frequency (IF) amplifier, into a single chip, reducing component count and simplifying receiver design.

Applications:

• Digital terrestrial television (DTT) receivers
• Digital cable television (DVB-C) receivers
• Set-top boxes
• Integrated televisions (iDTVs)
• USB TV tuners

Features:

• Supports DVB-T/T2 and DVB-C standards
• Low noise figure (LNF)
• High dynamic range
• Automatic gain control (AGC)
• Integrated IF amplifier
• Low power consumption

Benefits:

• Enables reception of digital terrestrial and cable television signals
• Provides high-quality signal reception with low noise
• Handles strong and weak signals effectively
• Maintains optimal signal levels
• Reduces external component count
• Minimizes power consumption in receiver devices

Additional Details:

The CXD2840ER typically requires external filters and a demodulator to complete the receiver chain. It is controlled via a serial interface (e.g., I2C) by a host processor. The device is available in a small surface-mount package. For detailed electrical characteristics, application circuit examples, and package dimensions, consult the official Sony datasheet for the CXD2840ER.