TDA7541WTR データシートの表示（PDF） - STMicroelectronics
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TDA7541WTR
STMicroelectronics
TDA7541WTR Datasheet PDF : 76 Pages
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Electrical specifications and characteristics
TDA7541
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
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
8.2
CIN Input capacitance
8.3
ROUT Output resistance
8.4
V8,11 Input DC bias
8.5
G Gain
Differential
Differential
Unloaded
8.6
Gl
Gain
8.7 INOISE Equivalent input noise
With 330Ω load
8.8 CP1dB 1dB compression point Referred to diff. mixer input
8.9
IIP3 3rd order intermodulation
8.10 IQP I/Q phase adjust
PH
8.11 IRR Image rejection ratio
Ratio wanted/image
8.12 IRR Image rejection ratio
With phase adjust
8
10
12
kΩ
4
pF
530 660 790 Ω
2.2 2.5
2.8
V
20
22
24
dB
14
16
18
dB
3
nV/√Hz
100
dBµV
119
dBµV
-7
+8 DEG
30
40
dB
40
46
dB
9. WB I/Q Mixer1 (10.7MHz)
9.1
RIN Input resistance
9.2
ROUT Output resistance
9.3
V5 Input dc bias
9.4
G Gain
Single ended
unloaded
9.5 INOISE Equivalent Input noise Source impedance 400Ω
9.6
IIP3 3rd order intermodulation
7
10
13
kΩ
530 660 790 Ω
2
2.3
2.6
V
24
26
28
dB
2.3
nV/√Hz
113
dBµV
10. IF1 amplifier (10.7MHz)
10.1
RIN Input resistance
10.2
CIN Input capacitance
10.3
V61 DC input voltage
10.4 ROUT Output resistance
10.5 COUT Output capacitance
10.6
V59 DC output voltage
10.7 Gmin Min. gain
IFG
265 330 396 Ω
2.5
pF
VCCIF1/3
V
265 330 396 Ω
2.5
pF
VCCIF1/2
V
9
dB
12/76
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