electronics-amplifier tutorial

Note:

• IC TA8210AH must be connected to a heat sink. A computer cabinet fan can also be used in addition.
• The circuit roughly draws 6A current at 18 V at full volume.So the power supply must be any thing more than 6A.

Absolute Maximum Ratings of IC TA8210AH

• Peak supply voltage (0.2s): 50 V
• supply voltage VCC (DC): 25 V
• Operating supply voltage VCC (opr): 18 V
• Output current (peak): 9 A
• Power dissipation PD: 50 W
• Operating temperature: 30~85 °C
• Storage temperature: 55~150 °C

List Componet

C1,C2           : 4,7uF/35V
C3,C7           : 47uF/35V
C4              : 220uF/35
C5,C6           : 1nF
C8,C10,C11,C12  : 0,1uF/35V
C9              : 2200uf/35V
IC              : TA8210AH/AL
HL1             : LED 
R1              : 2 k
R2,R2,R3,R4,R5  : 2,2 Ohm

Absolute Maximum Ratings of IC TDA7383

Operating Supply Voltage                                   : 18 V
DC Supply Voltage                                          : 28 V
Peak Supply Voltage (t = 50ms)                             : 50 V
Output Peak Current Repetitive (Duty Cycle 10% at f = 10Hz): 4.5 A
Output Peak Current Non Repetitive (t = 100µs)             : 5.5 A
Power dissipation, (Tcase = 70°C)                          : 80 W
Junction Temperature                                       : 150 °C
Storage Temperature                                        : – 55 to 150 °C

Note:

• The TDA7295 IC must be fitted with adequately sized heat sinks.
• Use 12V DC for powering the circuit.
• Connect a 50K POT in series with the input as volume control if you need. Not shown in circuit diagram.

Absolute maximum ratings of IC TDA7295 IC

1. Operating supply voltage = 18 V
2. DC supply voltage = 28 V
3. Peak supply voltage (t = 50 ms) = 50 V
4. Output peak current Repetitive (duty cycle 10 % at f = 10 Hz) = 3 A
5. Output peak current Non repetitive (t = 100 μs) = 4A
6. Power dissipation, (Tcase = 70 °C) = 80 W
7. Junction temperature = 150 °C
8. Storage temperature = -40 to 150 °C

Note:

• The TDA1013B IC must be fitted with adequately sized heat sinks.
• Connect a 10K POT in series with the input as volume control if you need.Not shown in circuit diagram.
• Use 9-18V DC for powering the circuit.
• This amplifier circuit can be used in a variety of applications such as car audio systems, home theater systems, personal audio systems, public address systems etc.

C1-C2  : 220nF Ceramic Capacitors
C3     : 100uF/25V Electrolytic Capacitors
C5     : 2200uF/25V  Electrolytic Capacitors
C6-C7  : 71000uF/40V Electrolytic Capacitors
F1     : 2A Fuse
D1     : 1N5408
IC1    : TDA1516Q
M1-M2  : Loudspeaker 10w/4ohm

Note

• Use 12V DC for powering the circuit.
• The IC must be heatsinked.
• Speaker can be a 4 ohms one.
• For optimum performance input and output must be separately grounded.

Pin Name Description
1 Vcc Supply Voltage
2 RR Ripple Reject
3 MC Muting control
4 OP AF Signal Input
5 FB FB Filter
6 GA Gain adjust
7 GND Ground
8 GND Ground
9 OP AF Output
10 BS BootStrap
.

150W amplifier circuit car is equipped with Active Crossover and this circuit using the chip that has a 4-channel power amplifier. Active Crossover function is used to separate the tone of the bass, midrange and treble, the output of direct Active Crossover can be strengthened by the power amplifier.

Features :

• Internally trimmed offset voltage: 10 mV
• Low input bias current: 50pA
• Low input noise voltage: 25 nV
• Low input noise current: 0.01 pA
• Wide gain bandwidth: 4 MHz
• High slew rate: 13 V/us
• Low supply current: 3.6 m
• High input impedance: 1012.
• Low total harmonic distortion : <>
• Low 1/f noise corner: 50 Hz
• Fast settling time to 0.01%: 2 us

Maximum Ratings IC power LA47536

Maximum supply voltage

• VCC max1 No signal, t = 1 minute 26 V
• VCC max2 With an input signal applied 18 V

Maximum output current: 4.5 A/ch
Allowable power dissipation Pd max: 50 W
Operating temperature: –40 to +85 °C
Storage temperature: –40 to +150 °C

Source

There is a 6 watt Stereo Amplifier based IC LA4440. This circuit very simple because uses very less components other than the IC LA4440.

Component List

U1...................IC LA4440
R1...................2K2
RV1.................Potensiometer
C1...................100nF
C2, C3............47uF
C4..................2u2
C5..................100uF 25V
C6..................2200uF 25V
C7, C8...........47uF 25V
SP1................4ohm 25W

the IC LA 4440 is wired as a bridge amplifier to deliver a 19 W Rms on a 4 Ohm speaker. The IC has built in thermal, over voltage and short circuit protection.The IC also incorporates a audio muting function,but that is not used here.

Note:
Use a 12 V DC/ 3 Ampere current power supply .
Don’t forget to fit a proper heat sink with IC.
Use a 4 Ohm speaker as.



IC Power LA4440



Data IC LA4440

Maximum supply voltage.............................18 V.
Allowable power dissipation Pd max............15 W.
Operating temperature Topr........................–20 to +75.
Storage temperature Tstg............................–40 to +150.
Voltage gain VG..........................................49.5 to 53.5.
Output power PO....................................... Stereo 06 W, Bridge 19 W.
Input resistance ri ............................. ....... 30kOhm.

IC BA5406 Description

The BA5406 is a monolithic dual OTL power amplifier containing two sets of high-power AF power amplifiers. The device delivers 5 watts x 2 into 30 loads with a 12V supply, or 2.8 watts x 2 into 30 loads with a 9V supply. The BA5406 features minimal power-on pop noise and immunity to supply voltage drop. With its minimal RF radiation, the device is ideally suited for use in stereo radio cassette recorders.



Features IC BA5406

Minimal power-on pop noise.
Immunity to supply voltage drop (operates down to Vcc=4.5V typ.).
Excellent channel balance.
Low distortion (THD=0.3% at PO=O.5W).
12.pin SIP package for mounting ease and saved space on a PC board.
Ripple filter input (pin 6) can also be used as a muting control input.
Symmetrical pin configuration facilitates art work.
Low thermal resistance of the package makes heat-sink design easy.
Built-in high-frequency phase compensation capacitor.
Minimal RF radiation allows for free system layout.

IC TDA1516

The TDA1516BQ contains two identical amplifiers with differential input stages. This device can be used for stereo or bridge applications. The gain of each amplifier is fixed at 20 dB. A special feature of this device is the mute/stand-by switch which has the following features:
· low stand-by current (< onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_HVys8w-tJac/Sq1ExFNHDqI/AAAAAAAAAYM/IF-LSOlMn0U/s1600-h/IC+TDA1516.bmp">

Pin IC TDA1516
1 -INV1 non-inverting input 1 8 BS2 bootstrap 2
2 INV inverting input 9 OUT2 output 2
3 GND1 ground (signal) 10 VP supply voltage
4 Vref reference voltage 11 M/SS mute/stand-by switch
5 OUT1 output 1 12 RR supply voltage ripple rejection
6 BS1 bootstrap 1 13 -INV2 non-inverting input 2