TDA9899_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 15 January 2008 67 of 103
NXP Semiconductors
TDA9899
Multistandard hybrid IF processing including car mobile
(1) VIF AFC via I
2
C-bus; accuracy is ±1 digit.
(2) Bit AFCWIN via I
2
C-bus (VCO is in ±1.6 MHz window) for all standards except M/N standard.
(3) Bit AFCWIN via I
2
C-bus (VCO is in ±0.8 MHz window) for M/N standard.
(4) VIF AFC average current.
(5) Reading via I
2
C-bus.
(6) Average; RC network at pin MPP2.
Fig 16. Typical analog and digital AFC characteristic for VIF
008aaa035
0
−50
50
−150
150
250
−250
0
−50
50
−150
150
250
I
AFC
(6)
(µA)
−250
f
VIF
(MHz)
36.375 40.37539.87537.875 38.87537.37536.875 38.375 39.375
bit AFCWIN (R1[7]) = 1
(1)
(4)
(2)
(3)
∆f
AFC(VIF)
(5)
(kHz)
Characteristics of digital and analog radio AFC is mirrored with respect to center frequency when lower sideband is used
(W2[3] = 0).
(1) RIF AFC via I
2
C-bus.
(2) FM carrier detection via I
2
C-bus.
(3) RIF AFC average current.
(4) Reading via I
2
C-bus.
(5) Average; RC network at pin MPP2.
Fig 17. Typical analog and digital AFC characteristic for RIF
001aad443
0 0
−50
50
−150
150
250
I
AFC
(5)
(µA)
−250
f
RIF
(MHz)
5.0 6.05.85.4 5.65.2
AFC undefinedAFC undefined bit CARRDET (R1[5]) = 1
(1)
(3)
(2)
−50
50
−150
150
250
∆f
AFC(RIF)
(4)
(kHz)
−250
