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参数资料
| 型号： | TDA7461N |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| 封装： | DIP-28 |
| 文件页数： | 4/35页 |
| 文件大小： | 576K |
| 代理商： | TDA7461N |
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STEREODECODER PART
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 Softmute
Highcut and Stereoblend characterisctics pro-
grammable in a wide range
Internal Noiseblanker with threshold controls
Multipath detector with programmable inter-
nal/external influence
I
2C bus control of all necessary functions
ELECTRICAL CHARACTERISTICS (VS = 9V; deemphasis time constant = 50
s, VMPX = 500mV,
75KHz deviation, f = 1KHz. GI = 6dB, Tamb = 25°C; unless otherwise specified).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VIN
MPX Input Level
Input Gain = 3.5dB
0.5
1.25
VRMS
Rin
Input Resistance
70
100
130
K
Gmin
Minimum 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
55
dB
α
Max Channel Separation
30
50
dB
THD
Total Harmonic Distortion
0.02
0.3
%
S
+ N
N
Signal plus Noise to Noise Ratio
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 Stereo, PTH = 0
10
19
25
mV
PLL
f/f
Capture Range
0.5
%
DEEMPHASIS and HIGHCUT (5)
τHC50
Deemphasis Time Constant
Bit = 7, Subadr. 10 = 0
VLEVEL >> VHCH
25
50
75
s
τHC75
Deemphasis Time Constant
Bit = 7, Subadr. 10 = 1
VLEVEL >> VHCH
50
75
100
s
τHC50
Highcut Time Constant
Bit = 7, Subadr. 10 = 0
VLEVEL >> VHCL
100
150
200
s
τHC75
Highcut Time Constant
Bit = 7, Subadr. 10 = 1
VLEVEL >> VHCL
150
225
300
s
STEREOBLEND and HIGHCUT-CONTROL
REF5V
Internal Reference Voltage
4.7
5
5.3
V
TCREF5V
Temperature Coefficient
3300
ppm
LGmin
Min. LEVEL Gain
-1
0
+1
dB
LGmax
Max. LEVEL Gain
8
10
12
dB
LGstep
LEVEL Gain Step Resolution
0.3
0.67
1.0
dB
VSBLmin
Min.Voltage for Mono
29
33
37
%REF5V
VSBLmax
Max. Voltage for Mono
54
58
62
%REF5V
VSBLstep
Step Resolution
5.0
8.4
12
%REF5V
TDA7461N
12/32
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA7461N_03 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:CAR RADIO SIGNAL PROCESSOR |
| TDA7461ND | 功能描述:音频 DSP Car Radio Signal RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TDA7461NDTR | 功能描述:音频 DSP CAR RADIO SIGNAL RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| TDA7462 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:DUAL AUDIOPROCESSOR WITH COMPANDER AND SUBWOOFER OUTPUT |
| TDA7462D | 功能描述:音频 DSP Dual Audioprocessor RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
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