TEF6902AH/V2,557 NXP Semiconductors, TEF6902AH/V2,557 Datasheet - Page 15
![IC INTEGRATED CAR RADIO 64-QFP](/photos/6/89/68970/568-64-qfp_sot393-1_sml.jpg)
TEF6902AH/V2,557
Manufacturer Part Number
TEF6902AH/V2,557
Description
IC INTEGRATED CAR RADIO 64-QFP
Manufacturer
NXP Semiconductors
Datasheet
1.TEF6902AHV5S518.pdf
(106 pages)
Specifications of TEF6902AH/V2,557
Modulation Or Protocol
AM, FM, WB
Applications
AM/FM Radio Receiver
Current - Receiving
102mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Voltage - Supply
8 V ~ 9 V
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Frequency
-
Sensitivity
-
Memory Size
-
Data Rate - Maximum
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
935281179557
TEF6902AH/V2
TEF6902AH/V2
TEF6902AH/V2
TEF6902AH/V2
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NXP Semiconductors
Table 8.
TEF6902A_3
Product data sheet
IFC3
Fig 5. IF counter in FM mode after tuning
1
1
1
IFC2
1
1
1
tuning
time
counter time
I
register
IF counter result
2
C-bus
f1
IFC1
0
1
1
f2
reset
2 ms 2 ms
32 ms
16 ms
8 ms
4 ms
2 ms
After a tuning action, which is activated by the state machine, the IF counter is reset at
that moment when tuning is established (PLL in-lock). The first counter result is available
from 2 ms after reset. For FM further results can be obtained from 4 ms, 8 ms, 16 ms and
32 ms after reset, the increasing count time attenuates influence of FM modulation on the
counter result. After this, the counter continues at the maximum count time of 32 ms (see
Figure
After AF Update (AFU) sampling the IF counter read value is held (IFCM = 10) (see
Figure
active in the background in 2 ms count time mode. The IF counter data hold is released
after I
IFCM reads 00 immediately after I
CHECK until the first new tuning IFC result is available.
IFC0 Deviation from nominal value in FM
1
0
1
…continued
f2
2
C-bus read.
IFCA = 0
13 kHz to 14 kHz
14 kHz to 15 kHz
15 kHz to 16 kHz
5). For AM the count time is fixed to 2 ms and results are available every 2 ms.
6,
Figure 17
4 ms
8 ms
and
Rev. 03 — 19 March 2008
Figure
IFCA = 1
104 kHz to 112 kHz
112 kHz to 120 kHz
120 kHz
18) for easy I
2
C-bus start of PRESET, SEARCH, AFU, JUMP or
16 ms
2
C-bus read-out. The counter itself remains
Deviation from nominal value in AM
IFCA = 0
6.5 kHz to 7 kHz
7 kHz to 7.5 kHz
7.5 kHz to 8 kHz
32 ms
32 ms
TEF6902A
Integrated car radio
IFCA = 1
52 kHz to 56 kHz
56 kHz to 60 kHz
60 kHz
© NXP B.V. 2008. All rights reserved.
001aab785
32 ms
32 ms
15 of 106
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