TDA8566TH1 datasheet(11/21 Pages) NXP

Nome de Peças	TDA8566TH1

Descrição Electrónicos	2 쨈 40 W/2 W stereo BTL car radio power amplifier with differential inputs and diagnostic outputs

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Fabricante Electrônico	NXP [NXP Semiconductors]

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TDA8566_6

Product data sheet

Rev. 06 — 15 October 2007

11 of 21

NXP Semiconductors

TDA8566

2

× 40 W/2 Ω stereo BTL car radio power ampliﬁer

[1]

Dynamic distortion detector active; pin CLIP is LOW.

[2]

Frequency response externally ﬁxed.

[3]

Vripple =Vripple(max) = 2 V (p-p); Rs =0 Ω.

[4]

Noise measured in a bandwidth of 20 Hz to 20 kHz.

[5]

Common mode rejection ratio measured at the output (over RL) with both inputs tied together;

Vcommon ≤ 3.5 V (RMS); fi = 100 Hz to 10 kHz; Rs =0 Ω.

[6]

Common mode rejection ratio measured at the output (over RL) with both inputs tied together;

Vcommon ≤ 3.5 V (RMS); fi = 1 kHz; Rs =45kΩ. The mismatch of the input coupling capacitors is excluded.

12. Application information

12.1 Diagnostic output

Special care must be taken in the PCB layout to separate pin CLIP from

pins IN1+, IN1

−, IN2+ and IN2− to minimize the crosstalk between the CLIP output and

the inputs.

12.2 Mode select switch

To avoid switch-on plops, it is advisable to keep the ampliﬁer in the mute mode during

≥ 150 ms (charging of the input capacitors at pins IN1+, IN1−, IN2+ and IN2−). The circuit

in Figure 8 slowly ramps-up the voltage at the mode select switch pin when switching on

and results in fast muting when switching off.

Vo(mute)

output signal

voltage in mute

Vin =Vin(max) = 1 V (RMS)

-

2

mV

CMRR

common mode

rejection ratio

Rs =0 Ω

[5] 60

75

-

dB

Rs =45kΩ

[6] 40

--dB

Table 8.

Dynamic characteristics …continued

VP = 14.4 V; Tamb =25 °C; RL =2 Ω; fi = 1 kHz; measured in test circuit of Figure 9; unless

otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Fig 8.

Mode select switch circuit

100 k

Ω

mgd102

47

µF

10 k

Ω

S

100

Ω

mode

select

switch

+VP

+

Nº de peça semelhante - TDA8566TH1

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NXP Semiconductors	TDA8566TH	94Kb / 16P	2 x 40 W/2 ohm stereo BTL car radio power amplifier with differential inputs and diagnostic outputs 2001 Apr 24

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