AmplifierCircuits

TDA7490   g eneral description: The TDA7490 is a dual audio class D amplifier assembled in Flexiwatt 25 package; it is specially designed for high efficiency application mainly for TV and Home Stereo sets. TDA7490 features:  25W + 25W OUTPUT POWER: RL = 8Ω/4Ω; THD = 10% HIGH EFFICIENCY WIDE SUPPLY VOLTAGE RANGE (FROM ±10 TO ±25V) SPLIT SUPPLY TURN OFF/ON POP FREE ST-BY AND MUTE FEATURES SHORT CIRCUIT PROTECTION ACROSS THE LOAD THERMAL OVERLOAD PROTECTION EXTERNALLY SINCHRONIZABLE BRIDGE CONFIGURATION TDA7490 amplifier diagram, circuits: TDA7490 Audio Amplifier 2x25W TDA7490 layout, pcb: TDA7490 layout, pcb TDA7490 layout, pcb

TDA1015   g eneral description: The TDA1015 is a monolithic integrated audio amplifier circuit in a 9-lead single in-line (SIL) plastic package. The device is especially designed for portable radio and recorder applications and delivers up to 4 W in a 4Ω load impedance. The very low applicable supply voltage of 3,6 V permits 6 V spplications. TDA1015  features : single in-line (SIL) construction for easy mounting separated preamplifier and power amplifier high output power thermal protection high input impedance low current drain limited noise behaviour at radio frequencies TDA1015  reference data : Supply voltage range VP 3,6 to 18 V Peak output current IOM max. 2,5 A Output power at dtot= 10% VP = 12 V; RL = 4 Ω Po typ. 4,2 W VP = 9 V; RL = 4 Ω Po typ. 2,3 W VP = 6 V; RL = 4 Ω Po typ. 1,0 W Total harmonic distortion at Po = 1 W; RL = 4 Ω dtot typ. 0,3 % Input impedance preamplifier (pin 8) |Zi | > 100 kΩ...

TDA7490   g eneral description: The TDA7490 is a dual audio class D amplifier assembled in Flexiwatt 25 package; it is specially designed for high efficiency application mainly for TV and Home Stereo sets.   TDA7490 Audio Amplifier 2 x 25W / 1 x 50W TDA7490  features : 25W + 25W OUTPUT POWER: RL = 8Ω/4Ω; THD = 10% HIGH EFFICIENCY WIDE SUPPLY VOLTAGE RANGE (FROM ±10 TO ±25V) SPLIT SUPPLY TURN OFF/ON POP FREE ST-BY AND MUTE FEATURES SHORT CIRCUIT PROTECTION ACROSS THE LOAD THERMAL OVERLOAD PROTECTION EXTERNALLY SINCHRONIZABLE BRIDGE CONFIGURATION TDA7490  sterio circuit diagram : TDA7490 Audio Amplifier 2 x 25W / 1 x 50W circuit diagram TDA7490  mono circuit diagram : TDA7490 Audio Amplifier 2 x 25W / 1 x 50W mono circuit diagram TDA7490  sterio circuit pcb : TDA 7490 pcb layout 

TDA7560   g eneral description: TDA7560 is a 4 x 45W QUAD BRIDGE car audio amplifier plus HSD. The TDA7560’s inputs are ground-compatible and can stand very high input signals (± 8Vpk) without any performances degradation. If the standard value for the input capacitors (0.1mF) is adopted, the low frequency cut-off will amount to 16 Hz. The TDA7560 is a breakthrough BCD (Bipolar / CMOS / DMOS) technology class AB Audio Power Amplifierin Flexiwatt 25 package designed for high power car radio. The fully complementary P-Channel/N-Channel output structure allows a rail to rail output voltage swing which, combined with high output current and minimised saturation losses sets new power references in the car-radio field, with unparalleled distortion performances. TDA7560  features : 4 x 50W/4W MAX. 4 x 45W/4W EIAJ 4 x 30W/4W @ 14.4V, 1KHz, 10% 4 x 80W/2W MAX. 4 x 77W/2W EIAJ 4 x 55W/2W @ 14.4V, 1KHz, 10% EXCELLENT 2W DRIVING CAPABILITY HI-FI CLASS DISTORTION ...

Features for TDA2051: HIGH OUTPUT POWER (60W/4Ω MUSIC POWER IEC 268.3 RULES) HIGH OPERATING SUPPLY VOLTAGE (±25V) SINGLE OR SPLIT SUPPLY OPERATIONS VERY LOW DISTORTION SHORT CIRCUIT PROTECTION (OUT TO GND) THERMAL SHUTDOWN Circuit Diagram: Cicuit diagram for 40W hi-fi audio power amplifier TDA2051 Datasheet for TDA2051:   Download

FEATURES: Requires very few external components High output power 4 Ω and 2 Ω load impedance Low output offset voltage Fixed gain Diagnostic facility (distortion, short-circuit and  temperature detection) Good ripple rejection Mode select switch (operating, mute and standby) Load dump protection Short-circuit safe to ground, to VP and across the load Low power dissipation in any short-circuit condition Thermally protected Reverse polarity safe Electrostatic discharge protection No switch-on/switch-off plop Flexible leads Low thermal resistance. GENERAL DESCRIPTION: The TDA8563AQ is an integrated class-B output amplifier  in a 13-lead single-in-line (SIL) power package.  It contains 2 × 40 W/2 Ω amplifiers in BTL configuration.  The device is primarily developed for car radio  applications. Circuit Diagram: 2 × 40 W/2 Ω stereo BTL car radio power amplifier

GENERAL DESCRIPTION The DDX-2050 power device is a monolithic dual channel H-Bridge that can provide up to 30 watts  per channel of audio power at very high efficiency. The DDX-2050 power device  contains a logic interface, integrated bridge  drivers, high efficiency MOSFET output  transistors and protection circuitry. The device  may be used as a dual bridge or reconfigured as  a single bridge with double the output current  capability.  The benefits of the DDX amplification system are  an all-digital design that eliminates the need for a  digital to analog converter (DAC) and the high  efficiency operation derived from the use of  Apogee's patented damped ternary pulse width  modulation (PWM). This approach provides an  efficiency advantage over conventional Class-D  designs and up to three times the efficiency of  typical Class A/B amplifiers with music input  signals. Mono High Efficiency Pow...

General Description: The TA2021B is a 25W (4Ω) continuous average per channel Class-T Digital Audio Power Amplifier IC  using Tripath’s proprietary Digital Power Processing (DPPTM) technology. Class-T amplifiers offer both  the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. Applications  DVD Receivers  Mini/Micro Component Systems  Computer / PC Multimedia  Cable Set-Top Products  Televisions  Battery Powered Systems Features: Class-T architecture  Single Supply Operation  “Audiophile” Quality Sound  0.05% THD+N @ 13W 4Ω 0.1% THD+N @15.5W 4Ω 0.1% IHF-IM @ 1W 4Ω High Power  25W @ 4Ω, 10% THD+N, VDD=14.6V  23.5W @ 4Ω, 10% THD+N, VDD=14.2V  14W @ 8Ω, 10% THD+N, VDD=14.2V  High Efficiency  88% @ 13.5W 8Ω 81% @ 25W 4Ω Dynamic Range = 100 dB  Mute and Sleep inputs  Turn-on & turn-off pop suppression  Over-current protection  O...

General Description: The LM4732 is a stereo audio amplifier capable of typically  delivering 50W per channel of continuous average output  power into a 4Ω or 8Ω load with less than 10% THD+N from  20Hz - 20kHz.  The LM4732 has short circuit protection and a thermal shut  down feature that is activated when the die temperature  exceeds 150˚C. The LM4732 also has an under voltage lock  out feature for click and pop free power on and off.  Each amplifier of the LM4732 has an independent smooth  transition fade-in/out mute.  The LM4732 has a wide operating supply range from +/-10V  - +/-40V allowing for lower cost unregulated power supplies  to be used.  The LM4732 amplifiers can easily be configured for bridge or  parallel operation for 100W mono solutions. Circuit Diagram: 100W Audio Power Amplifier with Mute

General Description: 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 ...

General Description: Amplifier’s efficiency is 70%, distortions at cut frequency were at most 0.2% at 20Hz on 8 Ω and 10W. With a power supply of ± 30V the mosfet audio amplifier can deliver 45W on 8 Ω and 70w on 4 Ω. Remember that this audio amplifier is not protected on shortcircuits so everytime you switch on check to see if the speaker is connected. Circuit Diagram: 70W mosfet power amp irf9530 irf530

General description: The TDA8595 is a complementary quad Bridge Tied Load (BTL) audio power amplifier  made in BCDMOS technology. It contains four independent amplifiers in BTL  configuration. Through the I2C-bus, diagnosis of temperature warning and clipping level is  fully programmable and the information available via two diagnostic pins is selectable.  The status of each amplifier (output offset, load or no load, short-circuit or speaker  incorrectly connected) can be read separately. Features and benefits: Operates in legacy mode (non I2C-bus) and I2C-bus mode (3.3 V and 5 V compliant) Three hardware-programmable I2C-bus addresses Drive 4  or 2  loads Speaker fault detection Independent short-circuit protection per channel Loss of ground and open VP safe (with 150 m series impedance and a supply   decoupling capacitor of 2200 F maximum) All outputs short-circuit proof to ground, supply voltage and across the load All pins sho...

General description: The TDA8954 is a stereo or mono high-efficiency Class D audio power amplifier in a   single IC featuring low power dissipation. It is designed to deliver up to 2 × 210 W into a  4 Ω load in a stereo Single-Ended (SE) application, or 1 × 420 W into an 8 Ω load in a  mono Bridge-Tied Load (BTL) application.  It combines the benefits of Class D efficiency (≈93 % into a 4 Ω load) with audiophile  sound quality comparable to that associated with Class AB amplification.  The amplifier operates over a wide supply voltage range from ±12.5 V to ±42.5 V and   features low quiescent current consumption.  The TDA8954 is supplied with two diagnostic pins for monitoring the status of Thermal   Fold Back (TFB), Over Current Protection (OCP) and other protection circuits. Features: „ High output power in typical applications: ‹ SE 2 × 210 W, RL = 4 Ω (VDD = 41 V; VSS = −41 V) ‹ SE 2 × 235 W, RL = 3 Ω (VDD = 39 V; VSS = −3...

General description: The TDA8596 is a quad Bridge Tied Load (BTL) audio power amplifier with symmetrical  inputs, made in BCDMOS technology. It contains four independent amplifier channels in  BTL configuration with complementary (PMOST/NMOST) output stages. Temperature  warning and output signal clipping diagnosis is possible via the I2C-bus and via the  diagnostic pins (DIAG and STB pin). The temperature pre-warning level and clip detection  levels can be programmed via the I2C-bus. The status of each amplifier channel (i.e.  output offset, load connected or not, short circuit condition at the output pins) can be read  out separately . Features Operates in legacy mode (non I2C-bus) and I2C-bus mode (3.3 V and 5 V compliant) Three hardware-programmable I2C-bus addresses Drives 4 Ω or 2 Ω loads Balanced/symmetrical inputs Speaker fault detection Programmable gain (26 dB and 16 dB) also available in legacy mode Independent short circuit pr...

GENERAL DESCRIPTION: The TA0103A is a 250W continuous average (4Ω ), two channel Amplifier Driver Module which uses Tripath’s proprietary Digital Power Processing (DPPT M ) technology. Class-T amplifiers offer bot h the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers.  Applications: Audio/Video  Amplifiers/Receivers  Pro-audio Amplifiers  Automobile Power Amplifiers  Subwoofer Amplifiers  Home/PC Speaker Systems Circuit Amplifier: 250 W Stereo Audio Amplifier Class-T

Description: The STA5150 is a fully integrated power module de-signed to implement a bash amplifier when used in conjuction with stabp01 digital processor Circuit Diagram: 200W Power Amplifier  circuit diagram

GENERAL DESCRIPTION  The TA0102A is a 150W continuous average (4Ω ), two channel Amplifier Driver  Module which uses Tripath’s proprietary Digital Power Processing (DPPT M )  technology. Class-T amplifiers offe r both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers.  Circuit Diagram Stereo 170W (4Ω) CLASS-T Digital Audio Amplifier

50W Audio Power Amplifier

General Description: The TA2024C is a 15W/ch continuous average two-channel Class-T Digital Audio Power Amplifier IC   using Tripath’s proprietary Digital Power Processing™ technology. Class-T amplifiers offer both the  audio fidelity of Class-AB and the power efficiency of Class-D amplifiers.  The TA2024C has incorporated specific changes to improve the click and pop performance over   previous devices such as TA2024 and TA2024B. The TA2024C is recommended for all new designs   that previously used the TA2024 or TA2024B. Circuit Diagram: Stereo 15W CLASS-T Digital Audio Amplifier

General description The TDA8932B is a high efficiency class-D amplifier with low power dissipation.  The continuous time output power is 2 × 15 W in stereo half-bridge application (RL = 4 Ω)  or 1 × 30 W in mono full-bridge application (RL = 8 Ω). Due to the low power dissipation  the device can be used without any external heat sink when playing music. Due to the  implementation of thermal foldback, even for high supply voltages and/or lower load  impedances, the device continues to operate with considerable music output power  without the need for an external heat sink.  The device has two full-differential inputs driving two independent outputs. It can be used  in a mono full-bridge configuration (BTL) or in a stereo half-bridge configuration (SE). Features Operating voltage from 10 V to 36 V asymmetrical or ±5 V to ±18 V symmetrical Mono-bridged tied load (full-bridge) or stereo single-ended (half-bridge) application Applicat...