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Part Name(s) : K139
ETC
Unspecified
Description : DIY Kit 139. Stereo 1W Audio Amplifier with DC Volume Control

DIY Kit 139. Stereo 1W Audio Amplifier with DC Volume Control

The TDA7053A is an integrated Stereo Audio Power Amplifier with DC Volume Control in a 16-pin dual-in-line plastic package. It is designed for use in TVs and monitors but is also suitable for battery-operated equipment.

The circuit used is straight out of the data book. PCB dimensions are a tiny 43mm x 40mm (1.7” x 1.6”).

Description : Stereo 1.5W Audio Power Amplifier with DC Volume Control

General Description
The APA7063 is a monolithic integrated circuit that provides DC Volume Control, and a Stereo bridged Audio Power Amplifiers capable of producing 1.5W(1.2W) into 8Ω with less than 10%(1.0%) THD+N. APA7063 provides a Volume Control pin DC_Vol determines the attenuation of output of the Amplifiers. The attenuator range s from 0dB (DC_Vol=0.7VDD) to –105dB (DC_Vol=0V) with 32 steps. Both of the depop circuitry and the thermal shutdown protection circuitry are integrated in the APA7063, that reduces pops and clicks noise during Power up and when using the shutdown modes and protects the chip from being destroyed by over temperature failure.

Features
• Operating Voltage: 3.3V to 5V
• DC Volume Control Interface, 0dB to –105dB
• Depop Circuitry Integrated
• Thermal shutdown protection circuitry
• High supply voltage ripple rejection
• Low Supply Current, IDD = 13mA at Stereo BTL
• Low Shutdown Current, IDD = 0.7µA
• Bridge-Tied Load (BTL) or Single-Ended-(SE) Modes Operation
• Output Power at 1% THD+N, VDD=5V -1.2 W/Ch (typ) into an 8Ω Load
• Output Power at 10% THD+N, VDD=5V -1.5 W/Ch (typ) into an 8Ω Load
• Low Crossover Distortion
• Low Quiescent Current
• Bridge-tied or Stereo(Single-ended) Configurations

Applications
• Portable and Desktop Computers
• Multimedia Monitors
• Portable Radios, PDAs, and Portable TVs

Part Name(s) : SM7516
SamHop
Samhop Mircroelectronics
Description : 3W Stereo Audio Power Amplifier with ADVANCED DC Volume Control

GENERAL DESCRIPTION
The SM7516 is a Stereo Audio Power Amplifier that drives 3 W/channel of continuous RMS Power into a 3-Ω load. Advanced dc Volume Control minimizes external components and allows BTL (speaker) Volume Control and SE (headphone) Volume Control. Notebook and pocket PCs benefit from the integrated feature set that minimizes external components without sacrificing functionality.
To simplify design, the speaker Volume level is adjusted by applying a dc voltage to the Volume terminal.

FEATURES
* Advanced DC Volume Control with 2-dB Steps From -40 dB to 20 dB
   - Maximum Volume Setting for SE Mode
   - Adjustable SE Volume Control Referenced to BTL Volume Control
* 3 W Into 3-Ω Speakers

APPLICATIONS
* Notebook PC
* LCD Monitors
* Portable DVD Player
* Digital photo frame

 

Part Name(s) : SM7511 SM7511L SM7511G
SamHop
Samhop Mircroelectronics
Description : 3W Stereo Audio Power Amplifier with ADVANCED DC Volume Control

GENERAL DESCRIPTION
The SM7511 is a Stereo Audio Power Amplifier that drives 3 W/channel of continuous RMS Power into a 3-Ω load. Advanced dc Volume Control minimizes external components and allows BTL (speaker) Volume Control and SE (headphone) Volume Control. Notebook and pocket PCs benefit from the integrated feature set that minimizes external components without sacrificing functionality.

FEATURES
* Advanced DC Volume Control with 2-dB Steps From -40 dB to 20 dB
    - Fade Mode
    - Maximum Volume Setting for SE Mode
    - Adjustable SE Volume Control Referenced to BTL Volume Control
* 3 W Into 3 -Ω Speakers
* Stereo Input MUX
* Differential I

APPLICATIONS
* Notebook PC
* LCD Monitors
* Pocket PC
* Portable DVD
* Mini speaker

EUTECH
Eutech Microelectronics Inc
Description : 3-W Stereo Audio Power Amplifier with Advanced DC Volume Control

DESCRIPTOIN
The EUA6011A is a Stereo Audio Power Amplifier that drives 3 W/channel of continuous RMS Power into a 3-Ωload. Advanced dc Volume Control minimizes external components and allows BTL (speaker) Volume Control and SE (headphone) Volume Control. Notebook and pocket PCs benefit from the integrated feature set that minimizes external components without sacrificing functionality.

FEATURES
Advanced DC Volume Control with 2-dB Steps From -40 dB to 20 dB
  -Fade Mode 
  -Maximum Volume Setting for SE Mode
  -Adjustable SE Volume Control
 Referenced to BTL Volume Control
3 W into 3-ΩSpeakers 
Stereo Input MUX
Differential Inputs
RoHS Compliant and 100% Lead (Pb)-Free

APPLICATIONS
Notebook PC
LCD Monitors
Pocket PC

 

SamHop
Samhop Mircroelectronics
Description : 3W Stereo Audio Power Amplifier with ADVANCED DC Volume Control

GENERAL DESCRIPTION
The SM7512 is a Stereo Audio Power Amplifier that drives 3 W/channel of continuous RMS Power into a 3-Ωload. Advanced dc Volume Control minimizes external components and allows BTL (speaker) Volume Control and SE (headphone) Volume Control.

FEATURES
* Advanced DC Volume Control with 2-dB Steps From -40 dB to 20 dB
  - Maximum Volume Setting for SE Mode
  - Adjustable SE Volume Control Referenced toBTL Volume Control
* 3 W Into 3-ΩSpeakers

APPLICATIONS
* Notebook PC
* LCD Monitors
* Portable DVD Player
* Digital photo frame

ST-Microelectronics
STMicroelectronics
Description : 5W+5W Amplifier with DC Volume Control

DESCRIPTION
The TDA7496SA is a Stereo 5+5W class AB Power Amplifier assembled i the @Clipwatt 15 package, specially designed for high quality sound TV applications.
Features of the TDA7496SA include linear Volume Control Stand-by and Mute functions. The TDA7496SA is pin to pin compatible with TDA7496, TDA7496S, TDA7496SA, TDA7495, TDA7495SA, TDA7494S, TDA7494SA.

■ 5+5W OUTPUT Power
   RL = 8Ω @THD = 10% VCC = 22V
■ ST-BY AND MUTE FUNCTIONS
■ LOW TURN-ON TURN-OFF POP NOISE
■ LINEAR Volume Control DC COUPLED with Power OP. AMP.
■ NO BOUCHEROT CELL
■ NO ST_BY RC INPUT NETWORK
■ SINGLE SUPPLY RANGING UP TO 35V
■ SHORT CIRCUIT PROTECTION
■ THERMAL OVERLOAD PROTECTION
■ INTERNALLY FIXED GAIN
■ SOFT CLIPPING
■ VARIABLE OUTPUT AFTER Volume Control CIRCUIT
■ CLIPWATT 15 PACKAGE

 

Part Name(s) : PA3011 PA3011G-N24-R
UTC
Unisonic Technologies
Description : 3-W Stereo Audio Power Amplifier with ADVANCED DC Volume Control

DESCRIPTION
As a Stereo Audio speaker which is operating on a single 5.5V supply, the UTC PA3011 is capable of delivering 3W of output Power per channel into 3Ω loads with less than 10% THD+N.
The speaker Volume level is adjusted by applying a dc voltage to the Volume terminal. When a dc voltage is applied, to avoid an unexpected high Volume level through the headphones, a third terminal, SEMAX, limits the headphone Volume level. And also a fade mode ramps the Volume up and down to ensure a smooth transition between active and shutdown modes,.
The UTC PA3011 can be applicatated in notebook, LCD monitors and pocket PC.

FEATURES
* DC Volume Control with 2-dB steps :-40 dB ~ 20 dB
* Fade mode
* Maximum Volume setting for SE mode
* 3 W into 3Ω load
* MUX Stereo input

 

Anpec
Anpec Electronics
Description : Stereo 2.8W Audio Power Amplifier with DC Volume Control and Selectable Gain

General Description
The APA4835 is a monolithic integrated circuit , which provides DC Volume Control , and a Stereo bridged Audio Power Amplifiers capable of producing 2.8W (2.2W) into 3Ω with less than 10% (1.0%) THD+N. APA4835 includes a DC Volume Control , Stereo bridge-tied and single-ended Audio Power Amplifiers , Stereo docking outputs , and a selectable gain Control , that makes it optimally fittable for notebook PC , multimedia monitors , and other portable applications.

Features
• Operating Voltage : 3.3V to 5V
Stereo switchable bridged/single-ended Power Amplifiers
• DC Volume Control Interface , 0dB to –105dB
• Low Supply Current , IDD = 13mA at Stereo BTL
• Low Shutdown Current , IDD = 0.7µA
• Bridge-Tied Load (BTL) or Single-Ended-(SE) Modes Operation
• Output Power at 1% THD+N , VDD=5V
    – 2.2W/Ch (typ) into a 3 Ω Load
    – 2.0W/Ch (typ) into a 4 Ω Load
    – 1.2W/Ch (typ) into a 8 Ω Load
• Output Power at 10% THD+N , VDD=5V
    – 2.8W/Ch (typ) into a 3 Ω Load
    – 2.3W/Ch (typ) into a 4 Ω Load
    – 1.5W/Ch (typ) into a 8Ω Load
• Single-ended mode at 1.0% THD+N
    – 95mW/Ch (typ) into 32Ω Load
• Depop Circuitry Integrated
• System Beep Detect
• Thermal shutdown protection circuitry
• High supply voltage ripple rejection
• Low Crossover Distortion
• PC99 Compliant
• 28-pin TSSOP-P (with enhanced thermal pad) Power package available

Applications
• Notebook and Desktop Computers
• Multimedia Monitors
• Portable Applications

Anpec
Anpec Electronics
Description : Stereo 2.8W Audio Power Amplifier with DC Volume Control and Selectable Gain

General Description
The APA4838 is a monolithic integrated circuit , which provides DC Volume Control , and a Stereo bridged Audio Power Amplifiers capable of producing 2.8W (2.3W) into 3Ω with less than 10% (1.0%) THD+N. APA4838 includes a DC Volume Control , Stereo bridge-tied and single-ended Audio Power Amplifiers , Stereo docking outputs , and a selectable gain Control , that makes it optimally fittable for notebook PC, multimedia monitors, and other portable applications.

Features
• Operating Voltage : 4.5V to 5V
Stereo switchable bridged/single-ended Power Amplifiers
• DC Volume Control Interface , 0dB to –78dB with precision scale
• Supply Current, IDD = 15mA at Stereo BTL
• Low Shutdown Current, IDD = 0.7µA
• Bridge-Tied Load (BTL) or Single-Ended-(SE) Modes Operation
• Output Power at 1% THD+N , VDD=5V
   – 2.3W/Ch (typ) into a 3 Ω Load
   – 2.0W/Ch (typ) into a 4 Ω Load
   – 1.2W/Ch (typ) into a 8 Ω Load
• Output Power at 10% THD+N , VDD=5V
   – 2.8W/Ch (typ) into a 3 Ω Load
   – 2.3W/Ch (typ) into a 4 Ω Load
   – 1.5W/Ch (typ) into a 8Ω Load
• Single-ended mode at 1.0% THD+N
   – 95mW/Ch (typ) into 32Ω Load
• Depop Circuitry Integrated
• Thermal shutdown protection and over current protection circuitry
• High supply voltage ripple rejection
• PC99 Compliant
• 28-pin TSSOP-P (with enhanced thermal pad) Power package available

Applications
• Notebook and Desktop Computers
• Multimedia Monitors
• Portable Applications

 

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