AmplifierCircuits

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

General Description: The AN7560Z 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: 4 x 35 Watt car audio amplifier Datasheet for AN7560:   Download

General Description: AN7531SA is an audio signal processing IC in which bass boost amplifiers, ALC circuit and beep circuit are built in the headphone amplifiers for use in portable equipment. Its headphone output block is using the center amplifier method which eliminates the need for coupling capacitor so that the circuit is most suitable for rationalization of audio circuit.  Circuit diagram:  See in datasheet

General Description: AN7516SH has a speaker power amplifier, head phone power amplifier, line amplifier, electric volume, 3-dimensional Spatializer and a bass boost circuit for notebook PC. This IC adopts a small thin package, enabling compact and high integrated set. Block Diagram: AN7516SH Audio signal processing IC for notebook PC Datasheet for AN7516SH:

Overview: The AN7511 is an audio power amplifier IC with 1-ch output. The BTL (Balanced Transformer-Less) method can provide fewer external parts and more easy design for applications  Features: 1-W output (8 Ω) with supply voltage of 5 V On-chip standby function On-chip muting function Applications: Televisions, radios, and personal computers Circuit Diagram:   1-W BTL audio power amplifier

Overview: The AN7504SB is a low voltage operation headphone  amp. IC for headphone C-cassette stereo. It incorporates  tape selector, pre-amp. , soft AGC bass-boost circuit, etc. Features: Low voltage operation (0.98 V to 2.0 V) Tape selector switch built-in Low frequency boost function with soft AGC Applications: Headphone stereo Circuit Diagram:  see in datasheet

Overview: The AN7510/7520 series is a 0.5W to 3W BTL audio power amplifier IC. Equipped with a standby function and mute or DC  volume circuit, the series includes a lineup of single and dual output models. With simplified set design due to minimum  external components, this IC has a wide variety of applications. Features: Operating power sourcs voltage: 3.0V to 13.5V. Built-in standby function. Built-in mute or DC volume circuit. Circuit Diagram:  0.5W to 3W BTL audio power amplifier IC

General Description: The AN7500FHQ is a single chip IC optimum for a 1.5 V headphone stereo system including pre-amp., power amp. and Dolby B type noise reduction circuit. Current consumption in a Dolby circuit off mode has been drastically reduced and an operating supply voltage has also been lowered to 0.98 V. Much fewer external components  have been realized due to an integration of audio signal processing system into a single chip circuitry in a small outline package and space saving mounting of a set. Circuit Diagram Audio signal processing IC for 1.5 V headphone stereo

General Description: The AN7190NK and the AN7190NZ are audio power ICs developed for the sound output of car audio (dual 20 W). It is incorporating various protective circuits to protect the IC from destruction by GND-open, short circuit to GND and power supply surge which are the important subject of power IC protection, so the IC will largely contribute to a high reliability design of equipment. Also, it is incorporating a perfect muting circuit which is free from shock noise, so that a shock noise design under the set transient condition can be made easily using together with its standby function.  Circuit Diagram: Dual 20 Watt audio amplifier

Description: The AN7177 is a monolithic integrated circuit designed for   Dual BTL audio power amplifier suitable for Hi-Fi and car  stereo.  Features:  High output power (20W x 2)   Incorporating stand-by circuits   Low shock noise from power ON/OFF switching   Fewer external components   Incorporates protection circuits   Highly stable operation Circuit Diagram: Dual BTL 20W Audio Power Amplifier  Datasheet for AN7177:   Download

General Description: The NTE7059 is an integrated circuit in a 16−Lead Staggered SIP type package designed for a 14W (13.2V, 4Ω) output power amplifier. Stereo operation is enabled due to incorporating two BTL amplifiers. High reliability is obtained due to incorporating protectors. ON/OFF is enabled even if power is supplied to the power supply pin by applying stand−by circuit. Features: High Output Power: 14W x 2  Incorporates Protection Circuits: Temperature, Overvoltage, VOUT−GND Short, RL Short, VOUT−VCC Short  Low Shock Noise from Power ON/OFF Operation  Fewer External Components  High Stable Operation

Overview: The AN7171NK and AN7176K are ICs for power amplification of 14W (13.2V, 4Ω) output. It can provide stereo operation since two BTL amplifiers are incorporated in achip. It incorporates various protective circuits, thus providing high reliability. The circuits can be turned on or offwith supply pins energized, because the stand-by circuit is built-in. Circuit Diagram: Dual BTL 14W Audio Power Amplifier Circuits

Overview: The  AN7163  is an integrated circuit designed for power amplifier of 17W output with low noise and low distortion, and it suits TV set with multi-sound. Stereo operation is enabled due to incorporating two amplifiers on one chip. 12-pin SIL package enabled compact and high-densely mounted set.  Circuit diagram: BTL 17 watt audio power amplifier Datasheet for AN7163:

Description: The NTE7011 is an integrated circuit in a 12−Lead SIP type package designed for use as a BTL power  amplifier with built−in headphone amp for portable stereo applications. Typical applications include  portable component stereos, car stereo, radio cassette recorders, and TV sound multiplex output. Features:  Low Quiescent Current, Low Distortion, Low Noise, High Output Power  Wide Supply Voltage range: VCC = 6 to 26V  Built−In Muting Circuit  Built−In Protection Circuits: Temperature, Surge, Overcurrent  Built−In Headphone Amplifier Circuit

General Descripton: The AN7161 is a monolithic integrated circuit designed for BTL audio high power amplifier with buikt-in headphone ampliifer. It can be widely applicable to Hi-Fi car stereo and TV sound multiplex output. Circuit Diagam: 20 watt BTL High Audio Power Amplifier Datasheet for AN7161:

Description: The NTE1373 is an integrated circuit designed for use as a 7.5W (16W, 4Ω) power amplifier output  with low noise and low distortion suitable for TV sets with multi−sound.  Stereo operation is possible due to incorporating two amplifiers on one 12−Lead SIP type chip. Features: Built−In Protection Circuits (Surge, Thermal Protection, etc.) Automatic Operating Point Stabilizer Circuit Low Distortion, Low 1/f Noise Low Shock Noise from Power ON/OFF Operation Better Channel Separation Few External Components Required

Features: Built−in Protector Circuits (for surge and thermal, etc.) Built−in Automatic Operating Point Stabilized Circuit Low Distortion, Low L/F Noise Small Transient Nosie at Power ON/OFF Switching Good Channel Separation Few External Components Pin connection: Dual Audio Power Amp 5.3W/Ch. NTE1371 Supply Voltage (Note 1), VCC . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Peak Supply Voltage (Note 2), VSURGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V Total Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A Power Dissipation (TA = +30°C), PD . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30W Operating Temperature, Topr . . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +75°C Storage Temperature Range, Tstg . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C

Overview The AN7158N is an integrated circuit designed for power amplifier of 7.5W (16V, 4Ω) output with low noise and low distortion, and it suits TV set with multi-sound. Stereo operation is enabled due to incorporating two amplifiers on one chip. 12-pin SIL package enabled compact and high-densely mounted set.  Circuit Diagram: AN7158N Dual 7.5W Audio Power Amplifier Circuit Datasheet AN7158N:  

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Description for Subwoofer Amplifier Circuit : This is a circuit diagram designed with transitors, designed specially for subwoofer amplifiers, and can produce a power output 100W.  Circuit diagram for  Subwoofer Amplifier Circuit: 100W Subwoofer Amplifier Circuit

General Description The TA8277H is 4 ch BTL audio power amplifier for car audio   application.   This IC can generate more high power: POUTMAX = 43 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 and muting function.   Additionally, the AUX amplifier and various kind of protector   for car audio use is built-in. Circuit Diagram: 40 Watt Audio Amplifier Circuit Datasheet for TA8277:   Download

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 TA8273H is 4 ch BTL audio power amplifier for car audio   application.   This IC can generate more high power: POUTMAX = 47 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, and   diagnosis circuit which can detect output to VCC/GND short,   output offset voltage and over voltage input mode. Additionally, the AUX amplifier and various kind of protector   for car audio use are built-in.  Circuit Diagram: 47 Watt BTL Audio Power Amplifier 4-channel Datasheet for TDA8273: Download

General Description: The TA8263BH is 4 ch BTL audio power amplifier for car audio  application.  This IC can generate more high power: POUTMAX = 43 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, and diagnosis circuit which can detect output to VCC/GND short, output offset voltage and over voltage input mode. Additionally, the AUX amplifier and various kind of protector  for car audio use are built-in.  Circuit diagram: 43 Watt Audio Power Amplifier Datasheet for TDA8263: 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 Diagram: circuit diagram for 200W Power Audio Amplifier Datasheet for STK4050: Download

Circuit Diagram: 100W AF Power Amplifier  Datasheet for STK4044: Download

Genereal Description: STK4017 fabricated on the IMST substrate of our own originality and designed for use in intermediate-power, single-channel, voltage amplifiers. Their packages are made much more compact than those of tje Type Nos. heretofore in use,  thereby meeting the requirements for making  the set smaller and slimmer.  Circuit diagram: 25W AF Power Amp Datasheet for STK4017: Download

Features: Maxim supply voltage: +Vcc: 55V Colector current: Icmax: 7 A Load Resistance: RL: 8 Ohm Circuit Diagram: 70W AF power amp STK086G

Circuit Diagram: 50W Power Amplifier Part list: Part list

General Description: The MC1350 is an integrated circuit featuring wide range AGC for use as an IF amplifier in radio and TV over an operating temperature range of 0° to +75°C. Power Gain: 50 dB Typ at 45 MHZ  Power Gain: 50 dB Typ at 58 MHZ AGC Range: 60 dB Min, DC to 45 MHz Nearly Constant Input & Output Admittance over the Entire AGC Range Y21 Constant ( –3.0 dB) to 90 MHz Low Reverse Transfer Admittance: < < 1.0 µmho Typ 12 V Operation, Single–Polarity Power Supply Circuit Diagram: Monolitic IF amplifier Datasheet for MC1350: Download

The M65831A is an IC developed for producing echo effects added to voice signals picked up by microphone for karaoke applications. The IC has the largest memory among the digital delay series. As it’s design is aimed at high performance, it is best suited to provide radio cassette tape recorders and miniature unit audio system with quality echo function. Being pin compatible with the M65830CP / FP and M65843AP / FP, the M65831AP / FP is suitable for upgrading the series. Circuit diagram: DIGITAL ECHO DIGITAL DELAY Datasheet for M65831A: Download

Circuit diagram: High Speed Operational Amplifier Datasheet for  LM6161/LM6261/LM6361: Download

Circuit diagram: Circuit diagram for Integrated Audio Amplifier System  LM4851 Datasheet for  LM4851: Download

Circuit diagram: 100 watt LM391 Audio Power Driver   Datasheet for  LM391: Download

Circuit diagram: Circuit diagram for High-Performance 68W Audio Power Amplifier Pin connection   Datasheet for LM3886: Download

Circuit diagram: Circuit diagram for 56W Audio Power Amplifier Datasheet for LM3876: Download

Circuit diagram: Low Voltage Audio Power Amplifier LM386 Datasheet for LM386: Download

Circuit diagram: Audio Power Amplifier LM380 Datasheet for LM380: Download

Circuit diagram: Circuit diagram for LA4558 2-Channel AF Power Amplifier  Datasheet for LA4558: Download

Datasheet for LA4500: Download

Circuit diagram for 12W AF Power Amplifier for Car Radio Datasheet for LA4460N: Download

Features Dual channels. Output : 5.5W×2 (typ.) Low pop noise at the time of power supply ON/OFF and  good starting balance. Good ripple rejection : 46dB (typ.) Good channel separation. Low residual noise (Rg=0). On-chip protectors.  - Thermal protector  - Overvoltage/surge protector  - Adjacent pins (7-8, 6-7) short protector Circuit Diagram: 5.5W 2-Channel AF Power Amplifier Datasheet for LA4446: Download

Features: Two preamplifiers on chip. Fewer peripheral parts. Low noise. 8-pin SIP package facilitating easy mounting. Circuit Diagram: Circuit diagram for 2-Channel Preamplifier For Car Stereo LA3160 Datasheet for  LA3160: Download

Circuit diagram: 20W Audio Power Amplifier Datasheet for HA1397: Download

The HA13159 is four-channel BTL amplifier IC designed for car audio, featuring high output and low distortion, and applicable to digital audio equipment. It provides 37 W output per channel, with a 13.7 V power supply and at Max distortion. Circuit diagram: 4-channel 37 Watt amplifier circuit Datasheet for HA13159: Download