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Ultra-compact low-power 3.3 V terrestrial tuner IC
  • active Active

The STV4100 terrestrial tuner is a directconversion (zero-IF) receiver with quadrature outputs intended for digital TV broadcasting.

On each VHF and UHF input is a low noise amplifier with both switchable and variable gain to ensure an optimal signal level for the two mixers.

Each mixer, which down-converts the signal to baseband, is followed by a low-pass filter and amplifier. The baseband gain is programmable via a dedicated pin.

The LO signals are provided by an integrated PLL which contains an on-chip voltage controlled oscillator meeting stringent phase noise requirements. The LO frequencies are programmable.

The comparison frequency for the phase/frequency detector is generated by dividing the crystal oscillator reference frequency. The crystal frequency can be from 16 MHz to 31 MHz depending on application.

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Errata Sheet
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Data Brief

Key Features

  • RF-to-baseband direct conversion (IQ interface only)
  • Single 3.3-V DC supply
  • Input frequency range 174 to 230 MHz and 470 to 870 MHz
  • Fully integrated VCO
  • Harmonic rejection mixer stage
  • Fully integrated RF AGC with RF power monitoring
  • Programmable channel filter covers 6 to 8 MHz channel spacing
  • Low external component count
  • Low power consumption (625 mW typical)
  • Temperature range -10° C to 70° C
  • Crystal frequency output to drive the demodulator IC
  • Compatible with 5-V and 3.3-V I2C bus
  • Fully Nordig Unified (versions 1.0.2, 1.0.3, 2.0) compliant
  • DTG (D-Book) compliant
  • Digitenne compliant
  • VFQFPN-32 5x5x1 mm3, exposed pad down
  • ECOPACK, environmentally-friendly package, RoHS (2002/95/EC) compliant.

Circuit Diagram

Design Resources


Technical Documentation

Product Specifications

Description Version Size
DB0804: Ultra-compact low-power 3.3-V terrestrial tuner IC
1.1 165 KB

Publications and Collaterals


Description Version Size
STV4100 - Digital terrestrial silicon tuner
1.0.0 1,563 KB

Sample & Buy

Part Number Marketing StatusPackagePacking TypeOrder From STUnit Price (US$)*
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STV4100BActiveVFQFPN2 32 5x5x1.0Tray-No availability reported, please contact our Sales officeEcopack2-

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.