TDA7705 STMicroelectronics, TDA7705 Datasheet - Page 25

• 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: -

TDA7705
3.5.2
Table 17.
1. Signal levels referred to combiner output.
AM MW overall system performance
Antenna level equivalence: 0 dBµV = 1 µV
Figure 11. AM MW input set up
Level referred to SG output before antenna dummy (V
15pF+68pF, FM input not connected. F
mod = 30%, f
Table 18.
Image rejection
Logarithmic field strength
indicator
Tuning range MW Eu/Jp
Tuning step MW Eu/Jp
Tuning range MW US
Tuning step MW US
Sensitivity
Ultimate S/N
AGC F.O.M.
Distortion
Adjacent channel selectivity
Alternate channel selectivity
Parameter
Parameter
V
FM overall system performance (continued)
AM MW overall system performance
audio
rf
+ 6dB
=400 Hz, unless otherwise specified.
50Ω
-
@40 dBµV
read “FM_Smeter_log”
(can be modified by the user)
(can be modified by the user)
S/N = 20 dB
@ 80 dBµV
Ref.=74 dBµV
-10dB drop point
ΔF=9 kHz, SINAD = 26 dB
undesired. m=30%, 1 kHz
ΔF=18 kHz, SINAD=26 dB
undesired. m=30%, 1kHz
(can be modified by the user)
(can be modified by the user)
m = 80 %
V
rf
Doc ID 15938 Rev 8
A
Test condition
Test condition
rf
50Ω
= 999 kHz (1000 kHz for US), V
rms
.
15pF
30Ω
rf
, node 'A'); capacitive dummy
(equiv.
dBµV)
-0.33
to 37
Min
Min
531
530
63
50
68pF
-
-
-
-
-
-
-
Electrical specifications
Typ
-0.3
Typ
0.1
80
10
27
66
62
42
50
9
-
-
UNDER
TEST
PCB
rf
=74 dBµV,
(equiv.
dBµV)
-0.27
to 43
1629
1710
Max
Max
30
65
-
-
-
-
-
-
-
Units
Units
dBµV
kHz
kHz
kHz
kHz
dB
dB
dB
dB
dB
%
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