參數(shù)資料
型號(hào)： TDA7529TR
廠商： 意法半導(dǎo)體
英文描述： RF front-end for AM/FM DSP car-radio with IF sampling
中文描述： RF前端的調(diào)幅/調(diào)頻DSP的汽車(chē)無(wú)線電IF采樣
文件頁(yè)數(shù)： 23/60頁(yè)
文件大小： 437K
代理商： TDA7529TR
TDA7529
Electrical specifications
23/60
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
5
6.5
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
7
8.5
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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