Datasheet

TEF6901A_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 20 March 2008 57 of 107
NXP Semiconductors
TEF6901A
Integrated car radio
[1] The input gain setting ING and the volume setting VOL define the overall volume. The overall range is
limited to −83 dB to +26 dB. For overall values > +28 dB the actual gain is +28 dB. For overall values
< −83 dB the circuit is muted.
Table 75. Input select
INP3 INP2 INP1 INP0 Audio source for tone/volume processing
0000radio
0001stereo with Common Mode Rejection (CMR) (pins INAL,
INAR and INAC)
0010stereo (pins INBL and INBR)
0011mono symmetrical or mono with CMR (pins INC and IND)
0100stereo (pins INC and IND)
0101mono (pin INC)
0110mono (pin IND)
0111stereo with CMR (pins INBL, INBR and INC)
1000stereo symmetrical (pins INBL, INBR, INC and IND)
1001stereo (pins INAL and INAR)
1010mono (pin INAC)
1011reserved
1100reserved
1101reserved
1110reserved
1111reserved
Table 76. Input gain setting
ING3 ING2 ING1 ING0 Input gain control
1011−10 dB
[1]
1100−8 dB
1101−6 dB
1110−4 dB
1111−2 dB
00000 dB
00012 dB
00104 dB
00116 dB
01008 dB
010110 dB
[1]
011012 dB
[1]
011114 dB
[1]
100016 dB
[1]
100118 dB
[1]
1010mute