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TDA7211A from SCS

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TDA7211A

Manufacturer: SCS, ST, ST, SSS, SGS

DUAL LOW-VOLTAGE POWER AMPLIFIER
Partnumber Manufacturer Quantity Availability
TDA7211A SCS, ST, ST, SSS, SGS 3700 In Stock

Description and Introduction

DUAL LOW-VOLTAGE POWER AMPLIFIER The TDA7211A is a RF power amplifier manufactured by STMicroelectronics (ST). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** STMicroelectronics (ST)  
- **Type:** RF Power Amplifier  
- **Frequency Range:** 470 MHz to 860 MHz  
- **Output Power:** Up to 23 dBm  
- **Supply Voltage (VCC):** 3.3 V to 5 V  
- **Current Consumption:** ~100 mA (typical)  
- **Gain:** ~30 dB  
- **Input/Output Impedance:** 50 Ω  
- **Package:** QFN-16 (4x4 mm)  

### **Descriptions:**
- The TDA7211A is a high-efficiency RF power amplifier designed for UHF TV transmitter applications.  
- It operates in the frequency range of 470 MHz to 860 MHz, making it suitable for digital terrestrial television (DTT) and other broadband RF applications.  
- The device is optimized for low power consumption while delivering high linearity and output power.  

### **Features:**
- **Wide Frequency Range:** Supports 470 MHz to 860 MHz.  
- **High Gain:** Provides approximately 30 dB of gain.  
- **Low Power Consumption:** Operates efficiently with a supply voltage of 3.3 V to 5 V.  
- **Integrated Matching Network:** Simplifies PCB design with internal 50 Ω matching.  
- **Thermal Protection:** Includes built-in thermal shutdown for reliability.  
- **Compact Package:** QFN-16 (4x4 mm) for space-constrained applications.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

DUAL LOW-VOLTAGE POWER AMPLIFIER

Alternative Part Number

  • TDA7210 --: Same TDA72xx automotive voltage regulator family with very similar electrical ratings and pinout, making it a close functional substitute.
  • L4949 --: Low-dropout automotive voltage regulator with comparable output current and protection features, suitable as a cross-family replacement.
  • MC33269 --: Adjustable/fixed LDO regulator with similar current capability and thermal behavior, usable as an alternative with minor circuit adaptation.
  • TDA5201 --: Single-chip ASK/FSK receiver in the same low-power UHF receiver class, commonly used as a functional substitute for TDA7211A in remote control and short-range radio designs.
  • MAX1473 --: Integrated 300MHz-450MHz ASK receiver with similar sensitivity and low-power operation, suitable as an alternative receiver IC for comparable applications.
  • MICRF211 --: Low-power ASK/OOK receiver covering the 380-450MHz band, offering comparable functionality and a different series/prefix for easy distinction from the original part.
  • TDA7211 --: Base version of the same device without the 'A' variant, electrically compatible for most applications and readily available.
  • TEF6902A --: Integrated AM/FM car radio tuner IC offering comparable functionality, suitable as a cross-vendor alternative when redesigning the tuner stage.
  • TDA7088T --: Similar FM receiver IC with integrated tuning, commonly used as a functional replacement in low-cost radio designs.
  • TEA5767HN --: Single-chip FM stereo radio tuner with I2C control, suitable functional alternative when board-level redesign is acceptable.

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