TEF6903AH/V5S,518 NXP Semiconductors, TEF6903AH/V5S,518 Datasheet - Page 17

• 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

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