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TDA7541B 数据表(PDF) 13 Page - STMicroelectronics

部件名 TDA7541B
功能描述  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system
PDF  77 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7541B 数据表(HTML) 13 Page - STMicroelectronics

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TDA7541B
Electrical specifications and characteristics
Doc ID 16048 Rev 1
13/77
10.6
V59
DC output voltage
-
-
VCCIF1/2
-
V
10.7
Gmin
Min. gain
IFG
-
9
-
dB
10.8
Gmax
Max. gain
IFG
-
21
-
dB
10.9
INOISE
Equivalent input noise
voltage
Gmax, Rgen=330 Ω, RL=330 Ω,
noise of Rgen not included
-
3.2
-
nV/
√Hz
10.10
CP1dB
1 dB compression point
referred to 330
Ω input, G
max
-99
-
dBµV
10.11
IIP3
3rd order Intermodulation
referred to 330
Ω input, G
max
-
130
-
dBµV
11. Mixer2 (450kHz)
11.1
RIN
Input resistance
Differential
240
300
360
Ω
11.2
CIN
Input capacitance
-
-
2.5
-
pF
11.3
V55.56
DC input voltage
-
3.7
4
4.3
V
11.4
ROUT
Output resistance
-
100
-
-
k
Ω
11.5
COUT
Output capacitance
-
-
2.5
-
pF
11.6
V52,53
DC output voltage
-
3.7
4
4.3
V
11.7
gm
Conversion
transconductance
WB Mode; referred to MIX2OUT
-
126
-
µA/V
11.8
G
Gain
FM Mode, referred to MIX2OUT
-
16
-
dB
11.9
Cstep
Min. cap. Step
IF2A
-
2.2
-
pF
11.10
Cmax
Max. cap.
IF2A
-
33
-
pF
11.11
INOISE
Equivalent input noise
voltage,
including buffer mixer2
Rgen = 330 Ω, IF2Q”10”
noise of Rgen not included
-15
-
nV/
√Hz
11.12
CP1dB
1dB compression point
referred to 330
Ω input,IF2Q”10”
-
116
-
dB
μV
11.13
IIP3
3rd order Intermodulation
referred to 330
Ω input,IF2Q”10”
-
132
-
dB
μV
12. Demodulator, audio output
12.1
THD
Total harmonic distortion
Dev.= 75 kHz, V56= 100 dBµV,
IF2Q”11”
-
0.1
0.3
%
12.2
aAM
AM suppression
V56 =100 dBµ, Δf = 40 KHz,
fmod =1 kHz,
fmod =1 kHz@AM, m =0.3 %
40
60
-
dB
12.3
VMPX
MPX output signal
Dev.= 75 kHz
440
500
560
mVRMS
12.4
ROUT
Output impedance
-
20
40
60
Ω
12.5
RLOAD
Load resistance
-
10
-
-
k
Ω
Table 6.
FM section (continued)
Item
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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