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PDF TA8210AHQ Data sheet ( Hoja de datos )

Número de pieza TA8210AHQ
Descripción 20W BTL X 2ch Audio Power Amplifier
Fabricantes Toshiba Semiconductor 
Logotipo Toshiba Semiconductor Logotipo



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TA8210AHQ/ALQ
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA8210AHQ,TA8210ALQ
20W BTL × 2ch Audio Power Amplifier
The thermal resistance θjT of TA8210AHQ, TA8210ALQ
package designed for low thermal resistance, has a high
efficiency of heat radiation.
The temperature rise of chip can be reduced, and the influence
from the degradation of the features due to the temperature rise
at the high output can also be reduced.
This stereo audio power IC, designed for car audio use, has two
builtin channels to reduce the characteristic difference between
L and R channels.
In addition, the functions of standby and muting, and a variety
of protection circuits are involved.
TA8210AHQ
TA8210ALQ
Features
Low thermal resistance
: θjT = 1.5°C / W (infinite heat sink)
High power
: POUT (1) = 22W (typ.) / channel
Weight
HZIP17-P-2.00: 9.8g (typ.)
HSIP17-P-2.00: 9.8g (typ.)
(VCC = 14.4V, f = 1kHz, THD = 10%, RL = 4)
POUT (2) = 19W (typ.) / channel
(VCC = 13.2V, f = 1kHz, THD = 10%, RL = 4)
Low distortion ratio: THD = 0.04% (typ.) (VCC = 13.2V, f = 1kHz, POUT = 1W, RL = 4, GV = 50dB)
Low noise: VNO = 0.30mVrms (typ.) (VCC = 13.2V, RL = 4, GV 50dB, Rg = 0, BW = 20Hz~20kHz)
Builtin standby function (with pin(4) set at low, power is turned off.): ISB = 1µA (typ.)
Builtin muting function (with pin(1) set at low, power is turned off.): V (mute) = 1V (typ.)
Builtin various protection circuits
Protection circuits: Thermal shut down, Over voltage, OutVCC short, OutGND short and OutOut short.
Operating supply voltage: VCC = 9~18V
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TA8210AHQ pdf
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TA8210AHQ/ALQ
5. Muting function
Through setting pin(1) (mute terminal) at about 1V or less, muting becomes possible.
The interval circuit of IC is shown in Fig.4.
When pin(1) is set to low, Q1 and Q2 are turned to on, the charge of the ripple condenser is discharged and the
bias is cut. The mute amount of 60dB or over can be obtained.
Since this muting function rapidly discharge the charge of the ripple filter capacitor of pin(8), the pop noise is
generated by the DC fluctuation of the bias section.
Therefore, this muting function is not appropriate to the audio muting but it is effective in muting at VCCon.
6. External part list and description
Sym
bol
Recom
mended
Value
Feature
C1
4.7µF
DC blocking
C2
47µF
Feedback
condenser
Influence
Smaller Than
Recommended Value
Larger Than
Recommended Value
Related to pop noise at VCCon.
Related to pop noise at VCCon.
Determination of low cutoff frequency.
C2 =
1
2πfLRf
Remarks
Related to gain.
Refer to item 4.
C3
220µF
Ripple
reduction
Time constant is small
at VCCon or off.
Time constant is large
at VCCon or off.
C4
0.12µF
Oscillation
prevention
Made liable to
oscillate.
Oscillation allowance.
Refer to item 3.
For filtering power supply hum and ripple.
C5
1000µF
Ripple filter
Large at using AC rectified power supply.
Small at using DC power supply.
C6
1000PF
Oscillation
prevention
Oscillation allowance improved.
Noise reduction
Refer to item 3.
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TA8210AHQ arduino
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Package Dimensions
TA8210AHQ/ALQ
Weight: 9.8g (typ.)
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