Showing posts with label Sound System. Show all posts
Showing posts with label Sound System. Show all posts

11/14/2014

Dual 6 to 8 watt audio power amplifier

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The HA1394 dual audio power amplifier is specifically designed for audio outputs in modular stereos and mutiplex sound TV's. This HItachi amplifier can deliveri 8.2w per ch when Vcc=25V.

Circuit Diagram:
Dual 6 to 8 watt audio power amplifier
Dual 6 to 8 watt audio power amplifier


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11/13/2014

4 x 11 W or 2 x 22 W power amplifier

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General Description:
The TDA1554Q is an integrated class-B output amplifier in a 17-lead single-in-line (SIL) plastic power package.The circuit contains 4 x 11 W single-ended or 2 x 22 W bridge amplifiers. The device is primarily developed for car radio applications.
Circuit Diagram:
circuit diagram 2 x 22 W audio power amplifier
circuit diagram 2 x 22 W audio power amplifier

circuit diagram 4 x 11 W audio power amplifier
circuit diagram 4 x 11 W audio power amplifier
Datasheet for TDA1554Q: Download
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11/11/2014

Dual Audio Power Amplifier

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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:
Dual Audio Power Amplifier
Circuit diagram for Dual Audio Power Amplifier 

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11/10/2014

60 W Quad Half-Bridge Digital Amplifier

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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
60 W Quad Half-Bridge Digital Amplifier
Datasheet for CS44130: Download
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11/06/2014

43 W BTL × 4-ch Audio Power IC

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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
Circuit diagram for  43 W BTL × 4-ch Audio Power IC
Datasheet for TB2904H: Download
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11/04/2014

18W+18W Stereo Amplifier

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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
18W+18W Stereo Amplifier

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5.4W Dual Audio Power Amplifier

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General Description:
The BA5415A and BA5416 are dual power amplifier ICs that operate off a 9V to 15V supply. When driving a 4Ω load off a 9V supply, the BA5415A does not require a heatsink. The BA5416 uses a lost-cost package. The basic characteristics (total harmonic distortion etc.) of the amplifiers are excellent, and both ICs include a standby switch function.
Features

  • High output.
  • POUT = 5.4W (VCC = 12V, RL = 3Ω and THD = 10%)
  • POUT = 2.5W (VCC = 9V, RL = 4Ω and THD = 10%)
  • Excellent audio quality.
  • THD = 0.1% (f = 1kHz, PO = 0.5W)
  • VNO = 0.3mVrms (Rg = 10kΩ)
  • RR = 60dB (fRR = 100Hz)
  • Wide operating power supply voltage range.
  • VCC = 5.0V to 18.0V (BA5416 : 5.0V to 15.0V)
  • Switching noise (ìpopî noise) generated when the power is switched on and off is small.
  • Ripple mixing when motor starts has been prevented.
  • Built-in thermal shutout.
  • Built-in standby switch.
  • Output is not influenced by the standby pin voltage.
  • Mute time does not depend on VCC.
  • Soft clipping.
  • Heatsink not required  (for BA5415A, with VCC = 9V and RL ≥ 4Ω).

Circuit Diagram:
5.4W Dual Audio Power Amplifier
5.4W Dual Audio Power Amplifier
Datasheet for BA5415A: Download
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11/03/2014

Audio power amplifier IC

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Dual 6.5 power audio amplifier.
Audio power amplifier IC
Audio power amplifier IC

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11/02/2014

Audio power IC for mp3 Player

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Overview:
The AN12941A is an amplifier IC for stereo  speakers which can output 1 W by 8 Ω or 2 W by 4 Ω. The AGC circuit is built-in to prevent the resonance  or the vibration by the speaker's energy and the  clipping distortion what is called "broken up sound."  of the speakers. Also, to reduce power consumption, AN12941A  has a built-in function which automatically detects the  input signal and can automatically enter power save  mode when there is no signal.
Features:
  • Speaker amplifier is
  • 1 W × 2-channel: 8 Ω, VCC = 5 V or
  • 2 W × 2-channel: 4 Ω, VCC = 5 V
  • Built-in AGC circuit
  •  Prevention of the resonance or the vibration by 
  • the speaker's energy and the clipping distortion 
  • of the speaker by AGC at excessive input signal 
  • (with AGC on/off switch).
  • Built-in automatic power saving function
  •  It detects input signals and switches on/off (with 
  • the on/off switch for the automatic power saving).
  • Operating supply voltage: VCC 3.0 V to 5.5 V/ 
  • VCC_SP 3.0 V to 5.5 V
Circuit Diagram:
Audio power IC for mp3 Player
Audio power IC for mp3 Player

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Auto Radio Amplifier Circuit

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„ Features

  • Dual 10 W audio power amplifier
  • Built-in muting circuit
  • Incorporating protection circuit
  • Low frequency amplifier
  • SIL-12 pin plastic package (Power-type with fin)
Circuit Diagram:
Auto Radio Amplifier Circuit
Auto Radio Amplifier Circuit


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Stereo 50W Audio Power Amplifier

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FEATURES DESCRIPTION
The LM4732 is a stereo audio amplifier capable of 2 typically delivering 50W per channel of
continuous The LM4732 has short circuit protection and a APPLICATIONS thermal shut down feature that is activated when the  The LM4732 also has an under voltage lock out feature for click and Each amplifier of the LM4732 has an independent KEY SPECIFICATIONS The LM4732 has a wide operating supply range from +/-10V - +/-40V allowing for lower cost unregulated power supplies to be used.

Features:

• Mute Attenuation 110dB (typ)
• PSRR 89dB (typ)
• Slew Rate 19V/μs (typ)
• Low External Component Count
• Quiet Fade-in/out Mute Mode average output power into a 4Ω or 8Ω load with less
• Wide Supply Range: 20V - 80V than 10% THD+N from 20Hz - 20kHz.
• Audio Amplifier for Component Stereo die temperature exceeds 150°C.
• Audio Amplifier for Self-powered Speakers
• Output Power/Channel at 10% THD+N, 1kHz 
• Audio Amplifier for Compact Stereo pop free power on and off.
• Audio Amplifier for High-end and HD TVs smooth transition fade-in/out mute.
• THD+N at 2 x 1W into 8Ω, 1kHz 0.01% (typ) bridge or parallel operation for 100W mono solutions.

Circuit Diagram:
Stereo 50W Audio Power Amplifier
Stereo 50W Audio Power Amplifier 

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10/31/2014

35 W × 4-ch amplifier circuit diagram

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General Description:
The AN7561Z is an audio power IC developed as the sound output of car audio (35 W by 4-ch.). A capacitor and resisitor to stop oscillation are built in between the output pin and GND so that a space saving of set is possible. Also, it incorporates a perfect muting circuit with out shock noise so that a shock noise design under the set transient condition can be made easily when used together with its standby function. In addition, it incorporates various protection circuits to protect the IC from destruction by GND-open-shortcircuit to ground and power supply surge which are the important subject of power IC protection. This IC will largely contribute to a high reliability design of the equipment.
Circuit Diagram:
35 W × 4-ch amplifier circuit diagram

Datasheet for AN7560: Download
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12/12/2013

Subwoofer Wiring Diagrams

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     A subwoofer or a complete loudspeaker, which is dedicated to the reproduction of low-pitched audio frequencies known as bass. The typical frequency range for a subwoofer is about 20–200 Hz for consumer products, below 100 Hz for professional live sound,and below 80 Hz in THX-approved systems. Subwoofers are intended to augment the low frequency range of loudspeakers covering higher frequency bands.


     Subwoofers are made up of one or more woofers mounted in a loudspeaker enclosure—often made of wood—capable of withstanding air pressure while resisting deformation. Subwoofer enclosures come in a variety of designs, including bass reflex (with a port or passive radiator in the enclosure), infinite baffle, horn-loaded, and bandpass designs, representing unique tradeoffs with respect to efficiency, bandwidth, size and cost. Passive subwoofers have a subwoofer driver and enclosure and they are powered by an external amplifier. Active subwoofers include a built-in amplifier.
Subwoofer Wiring Diagrams
Subwoofer Wiring Diagrams
                                                                                                                    from crutchfield.com
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