Datasheet

TEF6901A_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 20 March 2008 89 of 107
NXP Semiconductors
TEF6901A
Integrated car radio
Control functions
V
start(mute)
soft mute start voltage FM mode; see Figure 28;
equivalent level voltage that
causes α
mute
= 3 dB;
MSL[1:0] = 11
MST[2:0] = 000 - 0.75 - V
MST[2:0] = 001 - 0.88 - V
MST[2:0] = 010 - 1 - V
MST[2:0] = 011 - 1.12 - V
MST[2:0] = 100 - 1.25 - V
MST[2:0] = 101 - 0.68 - V
MST[2:0] = 110 - 0.73 - V
MST[2:0] = 111 - 0.85 - V
AM mode; see
Figure 29;
equivalent level voltage that
causes α
mute
= 3 dB;
MSL[1:0] = 11
MST[2:0] = 000 - 1.35 - V
MST[2:0] = 001 - 1.58 - V
MST[2:0] = 010 - 1.80 - V
MST[2:0] = 011 - 1.12 - V
MST[2:0] = 100 - 1.25 - V
MST[2:0] = 101 - 1.50 - V
MST[2:0] = 110 - 1.70 - V
MST[2:0] = 111 - 1.91 - V
Table 111. Dynamic characteristics of the sound processor
…continued
V
CC
= 8.5 V; T
amb
=25 ° C; see Figure 43; all AC values are given in RMS; treble: 10 kHz filter frequency; treble = 0 dB;
bass: 60 Hz filter frequency; bass = 0 dB; f
audio
= 1 kHz; G
vol
= 0 dB; G
fader
= 0 dB; loudness off; standard output gain
(byte OUTPUT; bit OUTA = 0); R
L
= 10 k Ω ; C
L
= 1 nF; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit