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TDA7541 数据表(PDF) 12 Page - STMicroelectronics

部件名 TDA7541
功能描述  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system
PDF  76 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7541 数据表(HTML) 12 Page - STMicroelectronics

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Electrical specifications and characteristics
TDA7541
12/76
6.4
I13
Max. AGC discharge
current
V8-10 = 100mVRMS,V13 = 2.5V
1.7
2.5
3.3
mA
7. AGC PIN diode driver output
7.1
I12
AGC OUT, current min.
V8-10 = 0mVRMS, V12 = 2.5V
15
25
35
µA
7.2
I12
AGC OUT, current max.
V8-10 = 50 mVRMS, V12 = 2.5V
-16
mA
8. FM I/Q Mixer1 (10.7MHz)
8.1
RIN
Input resistance
Differential
8
10
12
kΩ
8.2
CIN
Input capacitance
Differential
4
pF
8.3
ROUT
Output resistance
530
660
790
Ω
8.4
V8,11
Input DC bias
2.2
2.5
2.8
V
8.5
G
Gain
Unloaded
20
22
24
dB
8.6
Gl
Gain
With 330Ω load
14
16
18
dB
8.7
INOISE
Equivalent input noise
3
nV/
√Hz
8.8
CP1dB
1dB compression point
Referred to diff. mixer input
100
dBµV
8.9
IIP3
3rd order intermodulation
119
dBµV
8.10
IQP
I/Q phase adjust
PH
-7
+8
DEG
8.11
IRR
Image rejection ratio
Ratio wanted/image
30
40
dB
8.12
IRR
Image rejection ratio
With phase adjust
40
46
dB
9. WB I/Q Mixer1 (10.7MHz)
9.1
RIN
Input resistance
Single ended
7
10
13
kΩ
9.2
ROUT
Output resistance
530
660
790
Ω
9.3
V5
Input dc bias
2
2.3
2.6
V
9.4
G
Gain
unloaded
24
26
28
dB
9.5
INOISE
Equivalent Input noise
Source impedance 400Ω
2.3
nV/
√Hz
9.6
IIP3
3rd order intermodulation
113
dBµV
10. IF1 amplifier (10.7MHz)
10.1
RIN
Input resistance
265
330
396
Ω
10.2
CIN
Input capacitance
2.5
pF
10.3
V61
DC input voltage
VCCIF1/3
V
10.4
ROUT
Output resistance
265
330
396
Ω
10.5
COUT
Output capacitance
2.5
pF
10.6
V59
DC output voltage
VCCIF1/2
V
10.7
Gmin
Min. gain
IFG
9
dB
Table 6.
FM section (continued)
(Tamb = 25°C, VCC1 = VCC2 = VCCMIX1 = VCCVCO = VCCIF = 8.5V, fXtal = 10.25 MHz,
fRF = 98MHz, dev = 40 kHz, fMod = 1 kHz, in application circuit, unless otherwise specified)
Item
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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