TDF8546_SDS_15 datasheet(12/21 Pages) PHILIPS

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TDF8546_SDS

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Product short data sheet

Rev. 8 — 27 September 2013

12 of 21

NXP Semiconductors

TDF8546

I2C-bus controlled 4

 45 W best efficiency amplifier

Amplifier

output power

RL =4 ; VP = 14.4 V;

THD = 0.5 %

RL =4 ; VP = 14.4 V;

THD = 10 %

RL =2 ; VP = 14.4 V;

THD = 0.5 %

RL =2 ; VP = 14.4 V;

THD = 10 %

Po(max)

maximum output power

RL =4 ; VP = 14.4 V;

Vi = 2 V RMS square wave

RL =4 ; VP = 15.2 V;

Vi = 2 V RMS square wave

RL =2 ; VP = 14.4 V;

Vi = 2 V RMS square wave

THD

total harmonic distortion

Po = 1 W to 12 W; fi = 1 kHz;

RL =4 ; BTL mode

-0.01

0.1

Po =1W; fi = 1 kHz; RL =4 ;

VP = 7 V; BTL and best efficiency

mode

-0.01

0.1

Po =4W; fi = 1 kHz; RL =4 ;

best efficiency mode

-0.03

0.1

Po = 1 W to 12 W; fi =20 kHz;

RL =4 ; best efficiency mode

-0.3

0.4

Vo = 1 V (RMS) and 4 V (RMS),

fi = 1 kHz; line driver mode

-0.02

0.05

Po = 1 W to 12 W; fi = 1 kHz;

RL =4 ; low gain mode

-0.01

0.1



channel separation

best efficiency mode; RS = 1 k;

RACGND =250 

[4]

fi =1kHz

fi = 10 kHz

SVRR

supply voltage ripple rejection

fi = 1 kHz; RS =1k;

RACGND =250 ; best efficiency

mode; tested at VP = 10.5 V

[4] 55

CMRR

common mode rejection ratio

amplifier mode; Vcm = 0.3 V (p-p);

fi = 1 kHz to 3 kHz, RS = 1 k;

RACGND =250 ; best efficiency

mode

[4]

common mode input to

differential output (VO(dif) /

VI(cm) + 26 dB)

common mode input to

common mode output (VO(cm) /

VI(cm) + 26 dB)

Table 5.

Characteristics …continued

Tamb =25 C; VP = 14.4 V; unless otherwise specified. Tested at Tamb = 25 C; guaranteed for Tj = 40 C to +150 C;

functionality is guaranteed for VP < 10 V unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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