TDA7705 STMicroelectronics, TDA7705 Datasheet - Page 34

• Manufacturer Part Number: TDA7705
• Description: IC TUNER HIT AM/FM CAR RAD 64LQF
• Manufacturer: STMicroelectronics

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: -

Weak signal processing
5.1.3
Table 28.
5.1.4
Table 29.
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SBMPtM2S
SBMPtS2M
SBFStM2S
SBFStS2M
Pil ThrM2S Pilot detector stereo threshold
Pil ThrHyst
SBMPsp
SBMPep
SBFSep
Symbol
Symbol
MaxSep
SBFSsp
ACMd
Adjacent channel mute
Adjacent channel mute
(continuous set)
Stereo blend-
Stereo blend
(continuous set)
Depth
Maximum stereo separation
Start point vs. field strength
End point vs. field strength
Field strength-related
transition time from mono to
stereo
Field strength-related
transition time from stereo to
mono
Start point vs. multipath
End point vs. multipath
Multipath -related transition
time from mono to stereo
Multipath -related transition
time from stereo to mono
Pilot detector threshold
hysteresis
Parameter
Parameter
field strength = 80 dBµV, pilot
deviation = 6.75 kHz
separation = MaxSep - 1 dB
no multipath present
separation = 1 dB
no multipath present
V
20 dBµV to 80 dBµV
V
80 dBµV to 20 dBµV
separation = MaxSep - 1 dB
equivalent 19 kHz AM
modulation depth;
field strength = 80 dBµV
separation = 1 dB
equivalent 19 kHz AM
modulation depth;
field strength = 80 dBµV
V
20 dBµV to 80 dBµV
V
80 dBµV to 20 dBµV
Threshold on pilot tone
deviation for mono-stereo
transition
Difference in pil. det.
deviation threshold for stereo
to mono transition compared
to PilThrM2S
rf
rf
rf
rf
Doc ID 15938 Rev 8
step-like variation from
step-like variation from
step-like variation from
step-like variation from
Test condition
Test condition
0.001
0.001
0.001
0.001
SMd
Min
Min
0.8
20
20
0
5
5
-
0.001
2.74
0.01
Typ
Typ
0.5
40
50
30
10
30
0
3
1
Max
Max
50
60
60
20
20
80
80
20
20
0
7
-
TDA7705
Units
Units
dBµV
dBµV
kHz
kHz
dB
dB
%
%
s
s
s
s