TDA8931T View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

TDA8931T

Power comparator 1×20 W

Philips Electronics 

Philips Semiconductors

TDA8931

Power comparator 1 × 20 W

14.5 Measured performance figures of mono amplifier with TDA8931

Table 13: Characteristics

VP = 22 V; RL = 4 Ω, fi = 1 kHz; inverted input signal; Tamb = 25 °C unless otherwise specified.

Symbol Parameter

Conditions

Min Typ Max Unit

VP

operating supply

voltage

[1] 12

22

35

V

Po

output power

VP = 26 V; RL = 4 Ω

THD+N = 10 %

-

22

-

W

THD+N = 1 %

-

20

-

W

VP = 22 V; RL = 4 Ω

THD+N = 10 %

-

16.0 -

W

THD+N = 1 %

-

12.0 -

W

VP = 30 V; RL = 8 Ω

THD+N = 10 %

-

16.0 -

W

THD+N = 1 %

-

12.0 -

W

THD+N total harmonic

Po = 1 W;

distortion-plus-noise AES17 brick wall filter

η

Gv

Vn(o)

efficiency

closed loop gain

noise output voltage

Vp = 22 V; RL = 4 Ω

Vp = 30 V; RL = 8 Ω

Po = 15 W

Vp = 22 V; RL = 4 Ω

Vp = 30 V; RL = 8 Ω

Vi = 100 mV (RMS);

fi = 1 kHz

inputs shorted;

AES17 brick wall filter

-

0.02 -

%

-

0.02 -

%

-

89

-

%

-

91

-

%

-

20

-

dB

-

128 -

µV

S/N

signal-to-noise ratio unwanted; with respect

-

98

-

dB

to Vo = 10 V (RMS)

B

band width

−3 dB low; LF cut-off

-

40

-

Hz

point depends on value

of SE capacitances

−3 dB high

-

45000 -

Hz

SVRR supply voltage ripple Vp = 22 V; RL = 4 Ω;

45

48

-

dB

rejection

Vripple = 2 V (p-p);

fripple = 100 Hz with feed

forward network (470 kΩ

and 15 nF)

fc

idle carrier frequency

-

290 -

kHz

[1] Operates down to UVP threshold level and operates up to OVP threshold level.

9397 750 13847

Preliminary data sheet

Rev. 01 — 14 January 2004

© Koninklijke Philips Electronics N.V. 2005. All rights reserved.

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