AIT1042 Datasheet, PDF (1/19 Pages) ANADIGICS, Inc – Integrated Digital Tuner with RF and IF Gain Control

FEATURES
• Complete Integrated RF Tuner: Includes
Upconverter with RF Gain Control,
Downconverter, Digital IF Amplifier with Gain
Control, Dual PLL, and VCOs with integrated
tanks
• IF Output - 35 to 50 MHz
• 54 to 1002 MHz Operation
• Operates from a Single +5 V Supply
• Integrated Oscillator Tank Circuits
• 78 dB Gain (including external filter losses)
through Digital Output
• 35 dB RF Gain Control Range
• 45 dB IF Gain Control Range
• 2-Wire Serial Programming with 4 Addresses for
Multiple Tuner Applications
• Programmable Power-Down Mode
• Programmable Charge Pump Currents
• Materials set consistent with RoHS directives
APPLICATIONS
• CATV Tuners
• HDTV Tuners
• Set-Top Boxes
• PC TV Tuner Cards or Tuner-on-Board
AIT1042
Integrated Digital Tuner
with RF and IF Gain Control
PRELIMINARY DATA SHEET - Rev 1.0
S38 Package
48 Pin QFN
7 mm x 7 mm x 1 mm
PRODUCT DESCRIPTION
The AIT1042 Integrated Digital Tuner with RF and IF
Gain Control is a complete 1 GHz bandwidth tuner IC
specifically designed to support digital video and data
applications. It combines GaAs and Silicon technology
to integrate the upconverter, downconverter, VCO,
synthesizer, IF amplifier, RF gain control and IF gain
control functions of a double-conversion tuner into
one small package.
Figure 1: Functional Block Diagram
02/2009