TDA7705 STMicroelectronics, TDA7705 Datasheet - Page 33
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TDA7705
Manufacturer Part Number
TDA7705
Description
IC TUNER HIT AM/FM CAR RAD 64LQF
Manufacturer
STMicroelectronics
Datasheet
1.TDA7705TR.pdf
(42 pages)
Specifications of TDA7705
Modulation Or Protocol
AM, FM
Applications
Automotive Audio
Current - Receiving
220mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Voltage - Supply
4.75 V ~ 5.25 V
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Frequency
-
Sensitivity
-
Memory Size
-
Data Rate - Maximum
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TDA7705DBM
Manufacturer:
ST
Quantity:
7 640
Company:
Part Number:
TDA7705DCM
Manufacturer:
ST
Quantity:
7 680
TDA7705
5
5.1
5.1.1
Table 26.
5.1.2
Table 27.
DISS BW
SMtauatt
SMtaurel
Symbol
Symbol
SMsp
SMep
SMd
Weak signal processing
All the parameters in this section refer to the programmability of the DSP part of the device.
The typical values are those set by default parameters (start-up without parametric change
from main µP); the max and the min values refer to the programmability range. The values
are referred to the typical application
application / SPI
programmable values are displayed.
FM IF-processing
Dynamic channel selection filter (DISS)
Dynamic channel selection filter (DISS)
(discrete set)
Soft mute
Soft mute
(continuous set)
IF filter #6
IF filter #5
IF filter #4
IF filter #3
IF filter #2
IF filter #1
IF filter #0
Start point vs. field strength
End point vs. field strength
Depth
Field strength LPF cut-off
frequency for soft mute
activation
Field strength LPF cut-off
frequency for soft mute
release
Parameter
Parameter
control). Wherever the possible values are a discrete set, all the possible
response: - 3dB
audio atten = 1 dB
read “FM_softmute”
no adjacent channel present
audio atten = SMd + 1 dB
read “FM_softmute”
no adjacent channel present
-
-
-
Doc ID 15938 Rev 8
Test condition
Test condition
(Figure 16: Example of FM tuned (narrow-band)
Min
Min
-30
0.1
0.1
-6
0
-
-
-
-
-
-
-
Weak signal processing
±150
±110
Typ
±80
±60
±45
±35
±25
Typ
100
-15
-6
6
1
4000
4000
Max
Max
20
10
0
-
-
-
-
-
-
-
Units
Units
dBµV
dBµV
kHz
kHz
kHz
kHz
kHz
kHz
kHz
dB
Hz
Hz
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