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TDA7540N 数据表(PDF) 13 Page - STMicroelectronics

部件名 TDA7540N
功能描述  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS)
PDF  76 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7540N 数据表(HTML) 13 Page - STMicroelectronics

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TDA7540N
Electrical specifications
13/76
V22
Startpoint KAGC
KAGC = max,
V9-11 = 0mVRMS,
Δf
IF=300KHz
fIF1 generates FS level at V22
2.2
V
Δ
Control range KAGC
ΔV
22= +0.8V
16
dB
RIN
Input resistance
10
13
16
k
Ω
CIN
Input capacitance
2.5
pF
AGC time constant output
V16
Max. AGC output voltage
V9-11 = 0mVRMS
VREF1
+VBE
V
V16
Min. AGC output voltage
V9-11 = 50mVRMS
0.5
V
I16
Min. AGC charge current
V9-11 = 0mVRMS,V16 = 2.5V
-16.5
-12.5
-8.5
μA
I16
Max. AGC discharge current
V9-11 = 50mVRMS,V16 = 2.5V
0.8
1.25
1.68
mA
AGC pin diode driver output
I8
AGC OUT, current min.
V9-11 = 0mVRMS, V8 = 2.5V
12
μA
I8
AGC OUT, current max.
V9-11 = 50 mVRMS, V8 = 2.5V
-22
-17
-12
mA
I/Q Mixer1 (10.7MHz)
RIN
Input resistance
differential
10
k
Ω
CIN
Input capacitance
differential
4
pF
ROUT
Output resistance
differential
100
k
Ω
V9,11
Input DC bias
2.2
2.5
2.8
V
gm
Conversion
transconductance
17
ms
F
Noise figure
400
Ω generator resistance
3
dB
CP1dB
1dB compression point
referred to diff. mixer input
100
dB
μV
IIP3
3rd order intermodulation
122
dB
μV
IQP
I/Q phase adjust
PH
-7
+8
°
IRR
Image rejection ratio
ratio wanted/image
30
40
dB
IRR
Image rejection ratio
with phase adjust
40
46
dB
IF1 Amplifier1 +2 (10.7MHz)
G2
Gain
5
6
7
dB
G1min
Min. gain
IFG1
7.5
9
10.5
dB
G1max
Max. gain
IFG1
16
18
20
dB
Table 6.
FM section electrical characteristics (continued)
(Tamb = 25°C, VCC1 = VCC2 = VCC3 = VCCST= VCCVCO = VCCMIX1 = VCCMIX2 = VCCIF1 = 8.5V,
fRF = 98MHz, dev= 40kHz, fMOD = 1kHz, fXtal = 10.25MHz, in application circuit, unless
otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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