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TDA7541B Datasheet(PDF) 18 Page - STMicroelectronics

Part # TDA7541B
Description  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system
PDF  77 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7541B Datasheet(HTML) 18 Page - STMicroelectronics

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Electrical specifications and characteristics
TDA7541B
18/77
Doc ID 16048 Rev 1
21.5
COUT
Output capacitance
-
-
2.5
-
pF
21.6
V52,53
DC output voltage
-
3.7
4.0
4.3
V
21.7
gm
Conversion
transconductance
MIX2OUT
-
440
-
µA/V
21.8
Gmax
Max. gain
L = 560 µH, Q = 28; C = 180 pF,
referred to MIX2OUT
-26-
dB
21.9
ΔG
Gain control range
-
-
20
-
dB
21.10
Cstep
Min. cap. Step
IF2A
-
2.2
-
pF
21.11
Cmax
Max. cap.
IF2A
-
33
-
pF
21.12
INOISE
Equivalent input noise
voltage,
including buffer mixer2
Amax, Rgen= 330 Ω, RL = 2 kΩ, noise
of Rgen not included
-11-
nV/
√H
z
21.13
CP1dB
1dB compression point
Amax, referred to 330 Ω input
-114
-
dB
μV
21.14
IIP3
3rd order Intermodulation
Amax, referred to 330 Ω input
-132
-
dB
μV
22. Buffer AM mixer2
22.1
ROUT
Output resistance
-
1.6
2
2.4
k
Ω
22.2
COUT
Output capacitance
-
-
2.5
-
pF
22.3
V50
DC output voltage
-
3.7
4.0
4.3
V
22.4
G
gain
RL = 2 kΩ
-8
-6
-4
dB
23. AM IF2 amplifier
23.1
RIN
Input resistance
-
1.6
2
2.4
k
Ω
23.2
CIN
Input capacitance
-
-
2.5
-
pF
23.3
V44,47
DC input voltage
-
4.1
4.3
4.5
V
23.4
Gmax
Max. gain
-
495255
dB
23.5
ΔG
Gain control range
-
36
38
40
dB
23.6
INOISE
Equivalent input noise
voltage
Gmax, Rgen = 2 kΩ,
noise of Rgen not included
-9.5
-
nV/
√Hz
23.7
CP1dB
1 dB compression point
Gmax, referred to 2 kΩ input
-74-
dB
μV
23.8
IIP3
3rd order Intermodulation
Gmax, referred to 2 kΩ input
-100
-
dB
μV
23.9
V23
IF2 output voltage
V56 = 90 dBV, m = off
140
190
240
mVRMS
24. AMAGC2
24.1
VAGC(start) AGC start voltage (PIN47) Input carrier voltage
-
62
-
dBµV
24.2
ΔAGC AGC2 range
Between start of AGC2
and the intervention point
of prestage AGC
50
55
-
dB
24.3
gAGC
Control slope
Seek mode
-
50
-
µA/V
Table 7.
AM section (continued)
Item
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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