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TDA7529 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 22 Page - STMicroelectronics

๋ถ€ํ’ˆ๋ช… TDA7529
์ƒ์„ธ๋‚ด์šฉ  RF front-end for AM/FM DSP car-radio with IF sampling
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์ œ์กฐ์‚ฌ  STMICROELECTRONICS [STMicroelectronics]
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TDA7529 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 22 Page - STMicroelectronics

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Electrical specifications
TDA7529
22/61
Doc ID 13311 Rev 4
4.6
IF - section
-
Fast attack time constant
active in case of overdrive
(more than 7dB)
0.05
0.5
5
ms
-
Time constant
Range, mode T1
Range, mode T2
Range, mode T3
-
0.5-50
2.5-250
12.5-1250
-
ms
ms
ms
Table 12.
AM - section (continued)
Symbol
Parameter
Test condition, comments
Min
Typ
Max
Units
Table 13.
IF - section
Symbol
Parameter
Test condition, comments
Min
Typ
Max
Units
IF AMPLIFIER
Grange
Gain range
Input 1-3 (FM,HD,AM), min.
23
25
27
dB
Input 1-3 (FM,HD,AM), max
36
38
40
Input 4 (HD-Radio AM), min.
15
17
19
Input 4 (HD-Radio AM), max
29
31
33
Gstep
Gain step
3 bit control
1.5
2
2.5
dB
ฮ”AGC
AGC range
-
16.5
18
19
dB
AGC steps
2-bit control
5.2
6
6.6
Rin_input1
Input impedance input 1
FM โ€“input @ 10.7MHz
230
330
450
ฮฉ
Rin_input2
Input impedance input 2
HD-Radio FM input @
10.7MHz
2.2
2.9
3.6
k
ฮฉ
Rin_input3
Input impedance input 3
AM input @ 10.7MHz
7
8.2
10
k
ฮฉ
Rin_input4
Input impedance input 4
HD-Radio AM input @
10.7MHz
78.7
11
k
ฮฉ
Rout
Differential output
impedance
--
15
-
ฮฉ
Vout_max
Max. output voltage
-
115
-
117
dBยตV
Gain, load
Gain variation in loaded
conditions
10pF between each IFAMP
outputs and GND, 10k
ฮฉ
differential load
--
0.5
dB
IIP3,load
IIP3 decrease in loaded
conditions
10pF between each IFAMP
outputs and GND, 10k
ฮฉ
differential load
--
1
dB
IIP3
3rd order intercept point
input stage 1-3, @ 25dB gain
119
122
-
dBยตV
input stage 4, @ 17dB gain
130
133
-
IIP2
2nd order intercept point
input stage 1-3
142
-
-
dBยตV
input stage 4
154
-
-


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