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TDA7529 数据表(PDF) 23 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) 23 Page - STMicroelectronics

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TDA7529
Electrical specifications
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Vnoise_input 1 IN1 input noise voltage
@ source impedance 330
Ω ·
noiseless, @31dB gain
3.5
4.2
nV/
√Hz
Vnoise_input 2 IN2 input noise voltage
@ source impedance 470
Ω ·
noiseless, @ 31dB gain, with
external 560
Ω input
termination resistor
3.8
4.6
nV/
√Hz
Vnoise_input 3 IN3 input noise voltage
@ source impedance 2.2k
Ω ·
noiseless, @ 29dB gain, with
external 2.7k
Ω input
termination resistor
56.5
nV/
√Hz
Vnoise_input 4 IN4 input noise voltage
@ source impedance 2.2k
Ω ·
noiseless, @ 24dB gain, with
external 2.7k
Ω input
termination resistor
78.5
nV/
√Hz
IF AGC
External capacitance for time constant from 10nF to 500nF in FM (asym. mode), from 100nF to 4700nF in AM (sym. mode)
– time constant values are directly proportional to the external capacitor value
Lthr
IFAmp input referred
FM, min. setting
88.5
91
93.5
dBµV
FM, max setting
99.5
101
103.5
AM, min. setting
86.5
89
91.5
AM, max setting
96.5
99
101.5
Threshold steps
1
1.5
2
dB
Fast attack mode in AM-
mode, range
active in case of overdrive
0.05
0.5
5
ms
Time constant attack,
range
FM: asym. mode U1
FM: asym. mode U2
AM: sym. mode S1
AM: sym. mode S2
10-500
0.05-2.5
2.0-100
20-1000
µs
ms
ms
ms
Time constant decay,
range
FM: asym. mode U1 / U2
AM: sym. mode S1
AM: sym. mode S2
2-100
2-100
20-1000
ms
ms
ms
Table 13.
IF - section (continued)
Symbol
Parameter
Test Condition, Comments
Min
Typ
Max
Units



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