AmplifierCircuits

General Description: The TA8276H is 4 ch BTL audio power amplifier for car audio application. This IC can generate more high power: POUTMAX = 35 W as it is included the pure complementary PNP and NPN transistor output stage. It is designed low distortion ratio for 4 ch BTL audio power amplifier, built-in stand-by function, muting function, output clipping detection and diagnosis circuit which can detect output to VCC/GND short and over voltage input mode. Additionally, the AUX amplifier and various kind of protector for car audio use are built-in.  Circuit Diagram: 35 W BTL x 4 ch Audio Power IC Datasheet for TA8276:   Download

General Description: The TA8260AH is 4 ch BTL audio power amplifier for car audio  application.  This IC can generate more high power: POUT MAX = 40 W as it is  included the pure complementary PNP and NPN transistor  output stage.  It is designed low distortion ratio for 4 ch BTL audio power  amplifier, built-in Stand-by Function, Muting Function, Clip  detector, and diagnosis circuit.  Additionally, the AUX. amplifier is built-in, it can make the beep  signal etc. output to 2 channels (OUT1 and 4).  It contains various kind of protectors for car audio use.  Circuit Diagram:  40 W BTL x 4CH Audio Power IC  Datasheet for TDA8260AH:   Download

Circuit diagram14 Watt BTL Audio Power Amplifier

General Description: The IC incorporates the following functions: 4 × 6 W SE amplifies without SE capacitor, because of the availability of 2 half supply voltage power buffers. 2. 2 × 20 W BTL amplifiers. Automatic switching between 2 and 4 speaker operation. The mode of operation is determined during start-up. This amplifier is protected for all general short-circuit conditions to battery or ground, overvoltage, 45 V load dump and short-circuits on the speaker outputs. The IC is contained in a 20-pin power HSOP package, but is also available in a 17-pin SIL power package. When packaged in the 20-pin HSOP package additional functions are available: DDD level selection between 2 and 10% Overrule pin for changing mode of operation (from SE to BTL or from BTL to SE). Circuit Diagram: 2 x 20 W BTL amplifiers Datasheet for TDA8586: Download

Overview: The LA4628 is a 2-channel general-purpose BTL audio  power amplifier provided in a miniature package. It was  designed for the best possible audio quality and features  an extended low band roll-off frequency provided by a  newly-developed NF circuit that does not require an  external capacitor. Furthermore, crosstalk, which can  cause muddiness in the audio output, has been  significantly reduced by both circuit and wiring pattern  improvements. Thus this amplifier can provide powerful  lows an clear highs.  Note that this device is pin compatible with the 13.5 W ×  2-channel LA4625, and allows end products differentiated  by their power rating to share the same printed circuit  board. Features: Total output: 20 W + 20 W (at VCC = 13.5 V, RL = 4 Ω, THD = 10%) High-fidelity design (fL < 10 Hz, fH = 130 kHz) Extremely low impulse noise levels An arbitrary amplifier startup time can be set up wi...

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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 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 

General description The TDA8593J is a complementary quad BTL audio power amplifier made in BCDMOS  technology. It contains four independent amplifiers in Bridge Tied Load (BTL)  configuration. Through the I2C-bus, the diagnostic information of each amplifier and  speaker can be read separately.  Both front and both rear channel amplifiers can be configured independently in line driver  mode with a gain of 20 dB. Features I 2C-bus control Hardware programmable I2C-bus address Can drive a 2 Ω load with a battery voltage of up to 16 V and a 4 Ω load with a battery  voltage of up to 18 V DC-load detection: open, short and present AC-load (tweeter) detection Programmable clip detection: 1 % or 3 % Programmable thermal protection pre-warning Independent short-circuit protection per channel Low gain line driver mode (20 dB) Loss-of-ground and open VP safe All outputs protected from short-circuit to ground, to VP, or across the load All p...

Circuit Diagram: Power amplifier with load detection and auto BTL/SE selection

FEATURES Operating voltage from 8 to 28 V Low distortion Few external components, fixed gain High output power Can be used as a stereo amplifier in bridge-tied load (BTL) or quad single-ended (SE) amplifiers Single-ended mode without loudspeaker capacitor Mute and standby mode with one- or two-pin operation Diagnostic information for Dynamic Distortion Detector (DDD), high temperature (145 °C) and short-circuit No switch on/off plops when switching between‘standby’ to ‘mute’ and from ‘mute’ to ‘on’ Low offset variation at outputs between ‘mute’ and ‘on’ Fast mute on supply voltage drops. Protection Reverse polarity safe Short-circuit proof to ground, positive supply voltage on all pins and across load ESD protected on all pins Thermal protection against temperatures exceeding 150 °C Load dump protection Protected against open-circuit ground pins and output short-circuited to supply ground. GENERAL DESCRIPTION The TDA8580 is a stereo bridge-tied load (BTL)...

FEATURES Few peripheral components High output power Low output offset voltage Fixed gain Loudspeaker protection (with diagnostic facility) Differential inputs Dynamic Distortion Detector (DDD) High common mode input signal Very high CMRR Good ripple rejection Mute/stand-by switch Load dump protection Short-circuit safe Thermally protected Reverse polarity safe High energy handling capability at the outputs (VP = 0 V) Electrostatic discharge protection No switch-on/switch-off plop Flexible leads Low thermal resistance GENERAL DESCRIPTION TDA1556Q is a monolithic integrated class-B output amplifier containing two 22 Watt amplifiers in a BTL configuration. The device is contained in a 17-lead single-in-line (SIL) plastic power package. It has two differential inputs and is primarily intended for car booster applications. Circuit Diagram: Circuit diagram for TDA1556Q 2 x 22 W stereo BTL differential amplifier with speaker prot...

General Description The TDA8568Q is a integrated class-B output amplifier in  a 23-lead Single-In-Line (SIL) plastic power package.  It contains four amplifiers in BTL configuration, each with a  gain of 40 dB. The output power is 4 × 25 W in a 4 Ω load. Circuit Diagram 4 × 25 W BTL quad car radio power amplifier

GENERAL DESCRIPTION The TDA1510AQ is a class-B integrated output amplifier encapsulated in a 13-lead single in-line (SlL) plastic power package. Developed primarily for car radio application, the device can also be used to drive low impedance loads (down to 1,6 Ω). With a supply voltage (VP) of 14,4 V, an output power of 24 W can be delivered into a 4 Ω Bridge Tied Load (BTL), or when used as a stereo amplifier, 2 × 12 W into 2 Ω or 2 × 7 W into 4 Ω. Features Flexibility − stereo as well as mono BTL Low offset voltage at the output (important for BTL) Load dump protection A.C. short-circuit-safe to ground Low number, small sized external components Internal limiting of bandwidth for high frequencies High output power Large useable gain variation Good ripple rejection Thermal protection Low stand-by current possibility High reliability. Circuit diagram: BTL circuit  car radio power amplifier Stereo Circuit  car radio power ampl...