AmplifierCircuits

Applications:  · High-frequency general-purpose amplifier.  · AM tuner RF amplifier.  · Low-noise amplifier. Features:  · Large yfs.  · Small Crss.  · Ultralow noise figure.  · Ultrasmall-sized package permitting 2SK1066- applied sets to be made smaller and slimmer. Datasheet: Download  2SK1066

FEATURES: Requires very few external components High output power Fixed gain Diagnostic facility (distortion, short-circuit and  temperature detection) Good ripple rejection Mode select switch (operating, mute and stand-by) Load dump protection AC and DC short-circuit safe to ground and to VP 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 Identical inputs. GENERAL DESCRIPTION: The TDA8562Q is an integrated class-B output amplifier in  a 17-lead single-in-line (SIL) power package. It contains  4 × 12 W single-ended amplifiers. Circuit Diagram: 4x12W car radio power amplifier

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...

Features: Input stage and gain compressor Over-modulation protection and current limiting Modulator DAC Step-up Mode control Diagnostics / safety Power control General Description: TDA7572 is a highly integrated, highly versatile,  semi-custom IC switch mode audio amplifier. It  integrates audio signal processing and power  amplification tailored for standalone remote bass  box applications, while providing versatility for full  bandwidth operation in either automotive or   consumer audio environments. It's configured as   one full bridge channel, using two clocked PWM   modulators driving external, complementary  FET's.  Broad operating voltage is supported, allowing  operation from both 14 V and 42 V automotive  power buses, as well as from split supplies for  consumer electronics use.  A current mode control boost converter controller  is provided to allow high power operation in a ...

General Description: The LM12 is a power op amp capable of driving g25V at g10A while operating from g30V supplies. The monolithic IC can deliver 80W of sine wave power into a 4X load with 0.01% distortion. Power bandwidth is 60 kHz. Further, a peak dissipation capability of 800W allows it to handle reactive loads such as transducers, actuators or small motors without derating. The IC delivers g10A output current at any output voltage yet is completely protected against overloads, including shorts to the supplies. The dynamic safe-area protection is provided by instantaneous peak-temperature limiting within the power transistor array The turn-on characteristics are controlled by keeping the output open-circuited until the total supply voltage reaches 14V. The output is also opened as the case temperature exceeds 150§C or as the supply voltage approaches the BVCEO of the output transistors. The IC withstands...

Features: The use of a current mirror circuit, cascode circuit, pure  complementary circuit provides low distortion (THD=  0.008%/100kHz LPF ON).  Possible to design electronic supplementary circuits  (pop noise muting at the time of power ON/OFF, load  short protector, thermal shutdown) Vcc max ±87 V Vcc recommended ±60 V  Circuit Diagram 150W Audio Circuit Diagram PCB Layout: PCB layout for audio circuit STK4048 Power supply: 150W Audio Circuit Diagram

Features: Compact packaging supports slimmer set designs Series designed from 20 up to 100 W (200 W) and pin compatibility (120 to 200 W have 18 pins) Simpler heat sink design facilitates thermal design of slim stereo sets Current mirror circuit application reduce distortion to 0.08 % Supports addition of electronic circuits for thermal shutdown and load-short protection circuit as well as pop noise muting which occurs when the power supply switch is turned on and off Parameters: Maximum supply voltage -  VCC max ± 95 V Thermal resistance  - θj-c 0.95 °C/W Junction temperature - Tj 150 °C Operating substrate temperature - Tc 125 °C Storage temperature - Tstg –30 to +125 °C Output power - PO 200W Circuit Diagram: 200W Power Amplifier Circuit Diagram Power Supply circuit: power supply for 200w power amplifier circuit

14W+2x7.5W Audio Amplifier circuit AN17813A

FEATURES Class D/1-Bit Audio Power Output Stage 5 V Analog and Digital Supply Voltages Power Stage Power Supply 8 V to 20 V Output Power @ 0.1% THD + N Stereo Mode 2 20 W @ 4  @ 14.4 V 2 20 W @ 8  @ 20 V Mono Mode 1 40 W @ 4  @ 20 V RON < 320 m (per Transistor) Efficiency > 85% @ Full Power/8  Clickless Mute Function Turn-On and Turn-Off Pop Suppression Short-Circuit Protection Overtemperature Protection Data Loss Protection 2-Channel BTL Outputs or 4-Channel Single-Ended Outputs 52-Lead Exposed Pad TQFP Package Low Cost DMOS Process APPLICATIONS: PC Audio Systems Minicomponents Automotive Amplifiers Home Theater Systems Televisions GENERAL DESCRIPTION: The AD1991 is a 2-channel BTL or 4-channel single-ended  class D audio power output stage. The part is configured during  reset to be in either 2-channel mode or 4-channel mode.  To protect the IC as well as the connected speakers, the AD1991  pr...

UPC1230H2 Circuit diagram

20 W Audio Power Amplifier uPC1188H

FEATURES MO-127 COPPER POWER DIP™ PACKAGE HIGH INTERNAL POWER DISSIPATION  — 500 watts HIGH VOLTAGE OPERATION — ±75V VERY HIGH CURRENT — ±30 amps INTERNAL SOA PROTECTION OUTPUT SWINGS CLOSE TO SUPPLY RAILS EXTERNAL SHUTDOWN CONTROL APPLICATIONS LINEAR AND ROTARY MOTOR DRIVES YOKE/MAGNETIC FIELD DEFLECTION PROGRAMMABLE POWER SUPPLIES to ±68V TRANSDUCER/AUDIO TO 1000W 1000W equivalent schematic 1000 w ampliifer tipycal applications

Features: HIGH INTERNAL DISSIPATION — 200 WATTS HIGH VOLTAGE, HIGH CURRENT — 200V, 20A HIGH SLEW RATE — 50V/µS 4 WIRE CURRENT LIMIT SENSING LOW DISTORTION EXTERNAL SLEEP MODE CONTROL OPTIONAL BOOST VOLTAGE INPU APPLICATIONS: SONAR TRANSDUCER DRIVER LINEAR AND ROTARY MOTOR DRIVES YOKE/MAGNETIC FIELD EXCITATION PROGRAMMABLE POWER SUPPLIES TO ±95V AUDIO UP TO 400W Circuit Diagram: Equivalent circuit 400 Watt MOSFET Operational Amplifier Pin connection for 400 Watt MOSFET Operational Amplifier

Features high internal dissipation - 250 watts high voltage. high curent - 100V, 30 A high slew rate - 100V/uS 4 wire curent limit sensig low distorsion external shutdown control Description: The PA05 is a high voltage MOSFET power operational amplifier that extends the performance limits of power amplifier  in slew rate and power bandwidth, while maintaining high current and power dissipation ratings.  The PA05 is a highly flexible amplifier. The shutdown control  feature allows the output stage to be turned off for standby operation or load protection during fault conditions. Boost voltage inputs allow the small signal portion of the amplifier to operate at a higher voltage than the high current output stage. The amplifier is then biased to achieve close linear swings to the supply rails at high currents for extra efficient operation.  EQUIVALENT SCHEMATIC: Circuit diagram for 500W MOSFET POWER OPERATIONAL AMPLIFIERS PA...

Overview: The STK401-330 is a 2-channel audio amplifier IC that supports 6/3 Ohm load impedances. Circuit Diagram: 100W+100W 2 channel Power Amplifier circuit

Overview: The STK400-030 is a 3-channel AF power amplifier IC  supporting multichannel speakers. One package includes  20W×3ch for Lch, Rch and Cch. It is pin compatible with  both 3-channel output devices (STK400-*00 series) and 2-  channel output devices (STK401-*00 series). The output  load impedance is 6/3Ω. Features: New series combining 3-channel output devices  (STK400-*00 series) and 2-channel output devices  (STK401-*00 series) with the same pin compatibility.  Output load impedance is 6/3Ω.  Pin assignment is grouped into individual blocks of  inputs, outputs and supply lines, minimizing the adverse  effects of pattern layout on operating characteristics. Minimum number of external components required. Circuit Diagram: 20W+20W+20W AF Power Amplifier

2 x 150 Watt Amplifier circuit

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

This system only requires a simple passive LC demodulation filter to deliver high-quality, high-efficiency audio amplification with proven EMI compliance. 2 x 210 Watt STEREO DIGITAL AMPLIFIER POWER STAGE

pin descripton View datasheet: click

FEATURES: High efficiency (∼90 %) Operating voltage from ±12.5 V to ±30 V Very low quiescent current Low distortion Usable as a stereo Single-Ended (SE) amplifier or as a mono amplifier in Bridge-Tied Load (BTL) Fixed gain of 28 dB in SE and 34 dB in BTL High output power Good ripple rejection Internal switching frequency can be overruled by an external clock No switch-on or switch-off plop noise Short-circuit proof across the load and to the supply lines Electrostatic discharge protection Thermally protected. APPLICATIONS: Television sets Home-sound sets Multimedia systems All mains fed audio systems Car audio (boosters). GENERAL DESCRIPTION: The TDA8924 is a high efficiency class-D audio power amplifier with very low dissipation. The typical output power is 2 × 120 W. The device comes in a HSOP24 power package with a small internal heatsink. Depending on supply voltage and load conditions a very small or even no external heatsink ...

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Features 80+80W OUTPUT POWER @ RL = 4/8 Ω, THD = 0.5% 100+100W OUTPUT POWER @ RL = 4/8 Ω, THD = 10% HIGH DYNAMIC PREAMPLIFIER INPUT  STAGES  EXTERNAL PROGRAMMABLE FEEDBACK  TYPE COMPRESSORS  AC COUPLED INPUT TO CLASS AB BRIDGE  OUTPUT AMPLIFIER  PRECISION RECTIFIERS TO DRIVE THE  DIGITAL CONVERTER ON-OFF SEQUENCE/ TIMER WITH MUTE  AND STANDBY PROPORTIONAL OVER POWER OUTPUT  CURRENT TO LIMIT THE DIGITAL  CONVERTER ABSOLUTE POWER BRIDGE OUTPUT  TRANSISTOR POWER PROTECTION  ABSOLUTE OUTPUT CURRENT LIMIT INTEGRATED THERMAL PROTECTION POWER SUPPLY OVER VOLTAGE  PROTECTION  FLEXIWATT POWER PACKAGE WITH 27 PIN Circuit Diagram: 100+100W STEREO POWER AMPLIFIER

STA515 is a monolithic quad half bridge stage in multipower bcd technology FEATURES MULTIPOWER BCD TECHNOLOGY MINIMUM INPUT OUTPUT PULSE WIDTH DISTORTION 200mΩ RdsON COMPLEMENTARY DMOS OUTPUT STAGE CMOS COMPATIBLE LOGIC INPUTS THERMAL PROTECTION THERMAL WARNING OUTPUT UNDER VOLTAGE PROTECTION SHORT CIRCUIT PROTECTION Circuit Diagram: 2 x 40W quad power half bridge

Features  Wide supply voltage range (10 V - 36 V)  Three power output configurations – 2 x 10 W + 1 x 20 W – 2 x 20 W – 1 x 40 W  Thermal protection  Under-voltage protection  Short-circuit protection  PowerSO-36 slug down package  2.1 channels of 24-bit DDX®  100-dB SNR and dynamic range  32 kHz to 192 kHz input sample rates  Digital gain/attenuation +48 dB to -80 dB in 0.5-dB steps  Four 28-bit user programmable biquads (EQ) per channel  I²C control  2-channel I²S input data interface  Individual channel and master gain/attenuation  Individual channel and master soft and hard mute  Individual channel volume and EQ bypass  DDX® POP free operation  Bass/treble tone control  Dual independent programmable limiters/compressors  AutoModes™ settings for: – 32 preset EQ curves – 15 preset crossover settings – Auto volume controlled loudness – 3 preset volume curves – 2 preset anti-clipping modes – Preset night-time listening mode – Prese...

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

Circuit diagram 60W High Efficiency amplifier STA502

Circuit Diagram: 50W Audio Circuit Amplifier

Circuit Diagram: 140W mono power amplifier

Circuit Diagram: 3W MONO BRIDGE AMPLIFIER

Description STA516B is a monolithic quad half-bridge stage in multipower BCD technology. The device can be used as dual bridge or reconfigured, by connecting pin CONFIG to pins VDD, as a single  bridge with double-current capability or as a half bridge (binary mode) with half current capability. The device is designed, particularly, to be the  output stage of a stereo all digital high efficiency  amplifier. It is capable of delivering 200 W + 200 W into 6  loads with THD = 10% at VCC = 51 V or, in single BTL configuration, 400 W  into a 3 load with THD = 10% at VCC = 52 V. The input pins have a threshold proportional to the voltage on pin VL. The STA516B is aimed at audio amplifiers in hi-fi applications, such as home theatre systems, active speakers and docking stations. It comes in a 36 pin PowerSO package with exposed pad up (EPU). Features Low input/output pulse width distortion 200 m RdsON complementary DMOS output  stage CMOS compatible l...

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

Circuit Diagram: Circuit Diagram 2 x 175 W Audio Circuit Amplifier

50W Audio Power Amplifier

General Description The TA8225H, TA8225L is BTL audio power amplifier for consumer application. It is designed for high power, low distortion and low noise.  It contains various kind of protectors and the function of  stand−by SW. In addition, the functions of output short or over voltage  detection and junction temperature are involved. Circuit Diagram 45W BTL Audio Amplifier