參數(shù)資料
型號(hào)： TDA7411
廠商： STMICROELECTRONICS
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
封裝： 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件頁數(shù)： 9/43頁
文件大?。?/td> 617K
代理商： TDA7411
Obsolete
Product(s)
- Obsolete
Product(s)
17/43
TDA7411
STEREODECODER PART
Features:
– no external components necessary
– PLL with adjustment free, fully integrated VCO
– automatic pilot dependent MONO/STEREO switching
– very high suppression of intermodulation and interference
– programmable Roll-Off compensation
– dedicated RDS-Soft mute
– High cut- and Stereo blend-characteristics programmable in a wide range
– internal Noise blanker with several threshold controls
– alternative frequency search function
– Multipath-detector with programmable internal/external influence
–I2C-bus control of all necessary functions
.
ELECTRICAL CHARACTERISTICS
(VS = 8V; deemphasis time constant = 50s,VMPX = 500mV(75KHz deviation), fm= 1KHz, Gv = 6dB,
Tamb = 27°C; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Vin
MPX Input Level
Gv = 3.5dB
0.5
1.25
VRMS
Rin
Input Resistance
70
100
130
K
GMIN
Min. Input Gain
1.5
3.5
4.5
dB
GMAX
Max. Input Gain
8.5
11
12.5
dB
GSTEP
Step Resolution
1.75
2.5
3.25
dB
SVRR
Supply Voltage Ripple Rejection
Vripple = 100mV; f = 1KHz
35
60
dB
α
Max. channel Separation
30
50
dB
THD
Total Harmonic Distortion
0.02
0.3
%
Signal plus Noise to Noise Ratio
A-weighted, S = 2VRMS
80
91
dB
MONO/STEREO-SWITCH
VPTHST1 Pilot Threshold Voltage
for Stereo, PTH = 1
10
15
25
mV
VPTHST0
Pilot Threshold Voltage
for Stereo, PTH = 0
15
25
35
mV
VPTHMO1 Pilot Threshold Voltage
for Mono, PTH = 1
7
12
17
mV
VPTHMO0 Pilot Threshold Voltage
for Mono, PTH = 1
10
19
25
mV
PLL
f/f
Capture Range
0.5
%
DEEMPHASIS and HIGHCUT
tHC50
Deemphasis Time Constant
Bit 7, Subadr, 10 = 0,
VLEVEL >> VHCH
25
50
75
s
tHC75
Deemphasis Time Constant
Bit 7, Subadr, 10 = 1,
VLEVEL >> VHCH
50
75
100
s
tHC50
Highcut Time Constant
Bit 7, Subadr, 10 = 0,
VLEVEL >> VHCL
100
150
200
s
tHC75
Highcut Time Constant
Bit 7, Subadr, 10 = 1,
VLEVEL >> VHCL
150
225
300
s
SN
+
N
--------------
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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TDA7415CB 功能描述:音頻放大器 Car-radio Multimedia Signal (CMSP) 6-chnl RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA7415CBTR 功能描述:音頻放大器 Car-radio Multimedia Signal (CMSP) 6-chnl RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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