AmplifierCircuits

Features: High output power capability: 4 x 45 W / 4  max. 4 x 26 W / 4  @ 14.4 V, 1 kHz, 10 % Low distortion Low output noise Standby function Mute function Automute at min. supply voltage detection Low external component count: Internally fixed gain (26 dB) No external compensation No bootstrap capacitors Protections: Output short circuit to gnd, to VS, across the load Very inductive loads Overrating chip temperature with soft thermal limiter Load dump voltage Fortuitous open GND Reversed battery ESD Description: The TDA7388 is an AB class audio power  amplifier, packaged in Flexiwatt 25 and designed  for high end car radio applications.  Based on a fully complementary PNP/NPN configuration, the TDA7388 allows a rail to rail  output voltage swing with no need of bootstrap  capacitors. The extremely reduced boundary  components count allows very compact sets. MUTE and ST-BY utilization...

Features: Minimum external component count No bootstrap capacitors No Boucherot cells Clip detector output High output power Fixed gain Very low stand-by current (1 µA typ) No switch on/off noise Description The TDA7374 is a class AB audio dual bridge  power amplifier in Multiwatt package designed for  car radio applications.  Thanks to the fully complementary PNP/NPN   output configuration the high power performances   of the TDA7374 are obtained without bootstrap  capacitors. Circuit Diagram: PCB Layout Dual bridge audio amplifier for car radio Circuit diagram for dual bridge audio amplifier for car radio

Features: „ Wide supply voltage range (up to ±22.5 V) „ Split supply „ High output power  25 W + 25 W into 8 Ω  with VS = ±20 V and THD = 10% „ No “pop” at turn on/off  „ Mute (“pop”-free)  „ Standby feature (low Iq)  „ Few external components „ Short-circuit protection  „ Thermal overload protection Description: The TDA7264 is class-AB dual audio power   amplifier assembled in a Multiwatt package. It is specially designed for high-quality sound  applications such as hi-fi music centers and  stereo TV sets. Circuit Diagram: Circuit diagram for 25 W + 25 W stereo amplifier with mute and standby Datasheet for TDA7264:   Download

Features WIDE SUPPLY VOLTAGE RANGE UP TO ±20V SPLIT SUPPLY HIGH OUTPUT POWER 14 + 14W @ THD =10%, RL = 8Ω, VS = +16V NO POP AT TURN-ON/OFF MUTE (POP FREE) STAND-BY FEATURE (LOW Iq) SHORT CIRCUIT PROTECTION TO GND THERMAL OVERLOAD PROTECTION Circuit Diagram: Circuit diagram for 14 + 14W STEREO AMPLIFIER WITH MUTE & ST-BY

12 +12W STEREO AMPLIFIER WITH MUTING

Features: WIDE SUPPLY VOLTAGE RANGE (UP TO 50V ABS MAX.) SPLIT SUPPLY HIGH OUTPUT POWER: 25W @ THD =10%, RL = 8Ω, VS = +20V NO POP AT TURN-ON/OFF MUTE (POP FREE) STAND-BY FEATURE (LOW IQ) FEW EXTERNAL COMPONENTS SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION DESCRIPTION: The TDA7261 is class AB Audio power amplifier assembled in the Multiwatt package, specially de- signed for high quality sound application in mono TV chassis. Circuit Diagram: 25W MONO AMPLIFIER WITH MUTE/ST-BY

Overview The STK402-000 series products are audio power amplifier hybrid ICs that consist of optimally-designed discrete component power amplifier circuits that have been miniaturized using SANYO's unique insulated metal substrate technology (IMST). SANYO has adopted a new low thermal resistance substrate in these products to reduce the package size by about 60% as compared to the earlier SANYO STK407-000 series. Circuit Diagram 2x40W Two-Channel Class AB Audio Power Amplifier IC

Circuit Diagram: 2x110W  AF power amplifier class AB 2 channels

Circuit diagram: 2x110W Power Amplifier Class AB

General Description The STK433-330N-E is a hybrid IC designed to be used in 150 3 ch class AB audio power amplifier Circuit Diagram 3x150W Audio Power Amplifier IC Class AB Layout: PCB:

General Description The STK403-400 series products are audio power amplifier hybrid ICs that consist of optimally designed discrete componet power amplifier circuits that have been miniaturized using Sanyo's unique insulated metal substrate technology. The adoption of a newly developed low thermal resisten substrate allows this product to integrate six power amplifier channels in a single compact package. Circuit Diagram 6x30W Six-Channel Class AB Audio Power Amplifier IC Datasheet for STK403-400: Download

General description: The TDA1308 is an integrated class-AB stereo headphone driver contained in an SO8 or   a TSSOP8 plastic package. The device is fabricated in a 1 μm Complementary Metal   Oxide Semiconductor (CMOS) process and has been primarily developed for portable  digital audio applications. Features and benefits: Wide temperature range No switch ON/OFF clicks Excellent power supply ripple rejection Low power consumption Short-circuit resistant High performance High signal-to-noise ratio High slew rate Low distortion Large output voltage swing Circuit diagram: TDA1308 Class-AB stereo headphone driver circuit diagram Datasheet for TDA1308:   Download

Amplifier Description The TDA7497 is a triple 10+10+10W/15W class AB power amplifier assembled in the @ Multiwatt 15 package, specially designed for high quality sound, TV applications. Features of the TDA7497 include mute functions, independently controller for main and center channels. Circuit Diagram TDA7497 circuit diagram Datasheet for TDA7497: Download

Description of TDA7256: The TDA7256 is a class AB fully protected bridge power amplifier designed for car radio application. The high current capability allows to dirve low impedance loads up to 22 Ohm. The differential inputs availability makes it particularly suitable for boosters and active loudspeakers applications Features of TDA7256: NO AUDIBLE POP DURING MUTE AND STANDBY OPERATIONS MUTING TTL COMPATIBLE VERY LOW STANDBY CONSUMPTION PROGRAMMABLE TURN ON DELAY DIFFERENTIAL INPUT SHORT CIRCUIT PROTECTIONS: RL SHORT - OUT TO GROUND - OUT TO VS OTHER PROTECTIONS: Load dump voltage surge LoudspeakerDC current Very inductive load Overrating temperature Open ground Circuit diagram for TDA7256: 30W bridge car radio amplifier TDA7256 circuit diagram   PCB and layout for TDA7256: 30W bridge car radio amplifier TDA7256 pcb    PCB and layout for TDA7256:   Download