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TDA7529 数据表(PDF) 20 Page - STMicroelectronics

部件名 TDA7529
功能描述  RF front-end for AM/FM DSP car-radio with IF sampling
PDF  60 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7529 数据表(HTML) 20 Page - STMicroelectronics

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Electrical specifications
TDA7529
20/60
4.4
FM - section
Refer to application circuit in figure 3. VCC = 4.7V to 5.35V; Tamb = -40 to +105°C; fc = 76 to
108 MHz; 60dBµV antenna level; mono signal, unless otherwise specified. Antenna level
equivalence: 0dBµV = 1µVrms, all RF levels are intended as PD.
Table 11.
FM - section
Symbol
Parameter
Test Condition, Comments
Min
Typ
Max
Units
FM IMR Mixer and active balun
Gmix1
Mixer conversion gain
mode 1 (unloaded)
20
22
24
dB
mode 2 (unloaded)
14
16
18
Gain attenuation range
controlled by IF-AGC
18
20
dB
Rin
Input impedance
mode 1
30
50
k
Ω
mode 2
5
6.5
9.5
Rout
Output impedance
active balun
15
20
30
Ω
Vout_max
Max. output voltage
without clipping (unloaded)
122
dBµV
vnoise
Input noise voltage
Mode1, Rsource=1.5k
Ω,
noiseless
33.7
nV/
√Hz
Mode 2, Rsource=800,
noiseless
56
IIP3
3rd order intercept point(1)
mode 1
up to Vin/tone = 90 dBµV
mode 2
up to Vin/tone = 98 dBµV
123
132
125
134
dBµV
IIP2
2nd order intercept point
mode 1
mode 2
144
152
dBµV
IRR
Image rejection ratio
without gain/phase adjust
30
dB
with gain/phase adjust
40
45
FM RF AGC
Lthr
Mixer input referred
RF level threshold
mode 1, min. setting
82
85
88
dBµV
mode 1, max setting
97
100
103
mode 2, min. setting
90
93
96
mode 2, max setting
105
108
111
Threshold steps
4 bit control
0.5
1
1.5
dB
Pin diode source current
AGC control pin 1
Logarithmic current
10
mA
Pin diode sink current
AGC control pin 1
Logarithmic current
-3
mA
Pin diode source current in
constant current mode
12
mA
Threshold shift keyed AGC
Control input = 1V
10.5
12.5
13.5
dB/V
1.
parameter guaranteed by correlation.



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