TEF6903AH/V5S,518 NXP Semiconductors, TEF6903AH/V5S,518 Datasheet - Page 17
TEF6903AH/V5S,518
Manufacturer Part Number
TEF6903AH/V5S,518
Description
IC CAR RADIO SGL CHIP CIRC 80QFP
Manufacturer
NXP Semiconductors
Specifications of TEF6903AH/V5S,518
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
80-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
935288823518
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NXP Semiconductors
TEF6904A_3
Product data sheet
8.1.2 Read mode: data byte LEVEL
Table 9.
Table 10.
After AF update sampling the level read value is held (indicated by IFCM = 10) for easy
I
is released after I
To reduce the influence of modulation in AM mode the LEV information is additionally
filtered by a slow 60 ms detector. Fast level information is made available during
AF update and check tuning.
For standard operation the following level alignment (byte LEVELALGN; see
used:
Bit
7 to 0
2
Fig 7. FM RF antenna input signal and level output voltage
C-bus read-out. The level detector remains active in the background. The LEV data hold
FM and AM level slope; LEV = 51 ( V
V
FM mode level start; LEV = 78 (V
AM mode level start; LEV = 63 (V
LEV7
RF
7
= 200 V and V
LEVEL - format of data byte 1
LEVEL - data byte 1 bit description
Symbol
LEV[7:0]
LEV6
6
2
C-bus read.
V
LEVEL
(V)
RF
Description
level detector; this byte indicates the LEVEL voltage between
0.25 V (LEV = 0) and 4.25 V (LEV = 255) from the tuner part;
V
Rev. 03 — 20 March 2008
LEVEL
= 20 V)
4
3
2
1
0
10
LEV5
5
4
=
10
1
64
3
LEV[7:0] + 0.25 V; see
LEVEL
LEVEL
LEV4
10
4
2
LEVEL
= 1.47 V) at V
= 1.24 V) at V
10
1
= 0.80 V) at V
LEV3
3
1
Figure 7
RF
RF
10
001aab521
V
ANT
= 20 V
= 20 V
LEV2
(mV)
2
10
RF
2
= 20 dB (measured at
TEF6904A
Integrated car radio
LEV1
© NXP B.V. 2008. All rights reserved.
1
Table
LEV0
17 of 108
43) is
0
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