2003 Oct 21 17
Philips Semiconductors Product specification
Car radio integrated signal processor TEF6890H
C
SNC
SNC slope see Fig.8; slope of channel
separation between
30 dB and 10 dB with respect to
level voltage; SST[3:0] = 1010
SSL[1:0] = 00 − 38 − dB/V
SSL[1:0] = 01 − 51 − dB/V
SSL[1:0] = 10 − 63 − dB/V
SSL[1:0] = 11 − 72 − dB/V
V
start(HCC)
HCC start voltage see Fig.9; f
audio
= 10 kHz; voltage at
pin LEVEL that causes α
HCC
= 3 dB;
HSL[1:0] = 10
HST[2:0] = 000 − 1.17 − V
HST[2:0] = 001 − 1.42 − V
HST[2:0] = 010 − 1.67 − V
HST[2:0] = 011 − 1.92 − V
HST[2:0] = 100 − 2.17 − V
HST[2:0] = 101 − 2.67 − V
HST[2:0] = 110 − 3.17 − V
HST[2:0] = 111 − 3.67 − V
C
HCC
HCC slope see Fig.10; f
audio
= 10 kHz;
HST[2:0] = 010
HSL[1:0] = 00 − 9 − dB/V
HSL[1:0] = 01 − 11 − dB/V
HSL[1:0] = 10 − 14 − dB/V
HSL[1:0] = 11 − 18 − dB/V
α
HCC(max)
maximum HCC
attenuation
see Fig.10; f
audio
=10kHz
HCSF = 1 − 10 − dB
HCSF = 0 − 14 − dB
f
cut-off
cut-off frequency of fixed
HCC
see Table 32; −3 dB point (first order
filter)
HCF[2:0] = 000 − 1.5 − kHz
HCF[2:0] = 001 − 2.2 − kHz
HCF[2:0] = 010 − 3.3 − kHz
HCF[2:0] = 011 − 4.7 − kHz
HCF[2:0] = 100 − 6.8 − kHz
HCF[2:0] = 101 − 10 − kHz
HCF[2:0] = 110 − wide −−
HCF[2:0] = 111 − unlimited −−
Analog-to-digital converters for I
2
C-bus
LEVEL ANALOG-TO-DIGITAL CONVERTER (8-BIT); see Fig.4
V
LEVEL(min)
lower voltage limit of
conversion range
− 0.25 − V
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
C
SNC
α
cs
∆
V
eq
∆
-------------
=
C
HCC
α
HCC
∆
V
eq
∆
-----------------
=
