Dual Audio Power Amplifier

General Description:

The TA8211AH is dual audio power amplifier for consumer applications.  This IC provides an output power of 6 watts per channel  (at VCC = 20 V, f = 1 kHz, THD = 10%, RL = 8 Ω). 

It is suitable for power amplifier of TV and home stereo. 

Features:

• High output power: Pout = 6 W/channel (Typ.) 
•  (VCC = 20 V, RL = 8 Ω, f = 1 kHz, THD = 10%) 
• Low noise: Vno = 0.14 mVrms (Typ.) 
•  (VCC = 28 V, RL = 8 Ω, GV = 34dB, Rg = 10 kΩ, 
•  BW = 20 Hz~20 kHz) 
• Very few external parts 
• Built in thermal shut down protector circuit 
• Operating supply voltage range: VCC (opr) = 10~30 V (Ta = 25°C) 

Circuit Diagram:

Circuit diagram for Dual Audio Power Amplifier 

24 W BTL or 2 x 12 W stereo car radio power amplifier

General Description:

The TDA1515BQ is a monolithic integrated class-B output amplifier in a 13-lead single in-line (SIL) plastic power package. The device is primarily developed for car radio applications, and also to drive low-impedance loads (down to 1,6 Ω). At a supply voltage VP = 14,4 V, an output power of 24 W can be delivered into a 4 Ω BTL (Bridge Tied Load), or, when used as stereo amplifier, it delivers 2 × 12 W into 2 Ω or 2 × 7 W into 4 Ω. 

Features:

• flexibility in use − mono BTL as well as stereo
• high output power
• low offset voltage at the output (important for BTL)
• large usable gain variation
• very good ripple rejection
• internal limited bandwidth for high frequencies
• low stand-by current possibility (typ. 1 µA), to simplify required switches; TTL drive possible
• low number and small sized external components
• high reliability.
• he following currently required protections are incorporated in the circuit. These protections also have positive influence
• on reliability in the applications.
• load dump protection
• a.c. and d.c. short-circuit safe to ground up to VP = 18 V
• thermal protection
• speaker protection in bridge configuration
• SOAR protection
• outputs short-circuit safe to ground in BTL
• reverse polarity safe.

Circuit Diagram:

Circuit diagram for 24 W BTL or 2 x 12 W stereo car radio power amplifier

Datasheet for TDA1515BQ

Audio Power Amplifier 5.8W

General Description:

The NTE1285 and NTE1286 are audio power amplifiers in a 7–Lead SIP type package designed especially for car radio and car stereo applications. These devices are encapsulated in newly developed small packages featuring low thermal resistance, providing easy design for 2Ω. At 14.4V the devices give output power of 7W with RL = 4Ω and 11W with RL = 2Ω.

Features:

High Output Power

Low Transient Noise at Power Supplu Switch ON

Mirror Image Pin Configurations

Protection Circuits are Provided for the Following:

Load Dump Protection

Thermal Shut–Down Protection

Overvoltage Protection

Output Terminal Short–Circuit Protection

Pinout:

Audio Power Amplifier 5.8W

60 W Quad Half-Bridge Digital Amplifier

General Description:

The CS44130 is a high-efficiency power stage for digital Class-D amplifiers designed to recieve PWM signals from a modulator such as the CS44800/600. The power stage outputs can be configured as four half-bridge channels, two half-bridge channels and one full-bridge channel, two full-bridge channels, or one parallel full-bridge channel.

Features:

 Configurable Outputs (10% THD+N)

– 2 x 30 W into 8 Ω, Full-Bridge

– 1 x 60 W into 4 Ω, Parallel Full-Bridge

– 4 x 15 W into 4 Ω, Half-Bridge

– 2 x 15 W into 4 Ω, Half-Bridge + 1 x 30 W 

into 8 Ω, Full-Bridge

 Space-Efficient, Thermally-Enhanced QFN 

Package

 PWM Popguard® Technology for Quiet Startup

 > 100 dB Dynamic Range - System Level

 < 0.12% THD+N @ 1 W - System Level

 Built-In Protection with Error Reporting

– Over-Current

– Thermal Warning

– Thermal Fault

– Under-Voltage

 Single (+10.8 V to +21 V) High Voltage Supply

 High Efficiency (90%)

 Low RDS(ON)

 Low Quiescent Current

 Low Power Standby Mode

Common Applications

 Digital Televisions

 MP3 Docking Stations

 Mini Shelf Systems

 Networked Audio/POE Systems

 Desktop Speakers

Circuit Diagram:

60 W Quad Half-Bridge Digital Amplifier

Datasheet for CS44130: Download

43 W BTL × 4-ch Audio Power IC

Overview:

The TB2904H (o) is 4-ch BTL audio amplifier for car audio applications.  This IC can generate higher power: POUT MAX = 43 W as it includes the pure complementary P-ch and N-ch DMOS output stage. It is designed to yield low distortion ratio for 4-ch BTL audio power amplifier, built-in standby function, muting function, and various kinds of protectors. 

Circuit Diagram:

Circuit diagram for  43 W BTL × 4-ch Audio Power IC

Datasheet for TB2904H: Download

47 Watt 4-channel Audio Power Circuit Diagram

Overview:

The TB2903HQ is 4-ch BTL audio amplifier for car audio applications. This IC can generate higher power: POUT MAX = 47 W as it includes the pure complementary P-ch and N-ch DMOS output stage. It is designed to yield low distortion ratio for 4-ch BTL audio power amplifier, built-in standby function, muting function, and various kinds of protectors. Additionally, Off-set detector is built in. 

Features 

• High power output 
• POUT MAX (1) = 47 W (typ.) 
• VCC = 14.4 V, f = 1 kHz, JEITA max, RL = 4 Ω) 
• Built-in standby switch function (pin 4) 
• Built-in muting function (pin 22) 
• Built-in Off-set detection function (pin 25) 
• Thermal shut down, overvoltage, out to GND, out to VCC, out to out short 
• Operating supply voltage: VCC (opr) = 9~18 V (RL = 4 Ω) 

Circuit Diagam:

47 Watt 4-channel Audio Power Circuit Diagram

Datasheet for  TB2903HQ: Download

18W+18W Stereo Amplifier

General Description:

The TDA7265SA is class AB Dual Audio Power amplifier assembled in the @ Clipwatt 11 package, specially designed for high quality sound application as Hi-Fi music centers and stereo TV sets. The TDA7265SA is pin to pin compatible with TDA7269, TDA7269A, TDA7269SA, TDA7265,TDA7499, TDA7499SA. 

Circiut Diagram:

18W+18W Stereo Amplifier