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参数资料
| 型号： | TDA7461NDTR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
| 封装： | SOP-28 |
| 文件页数： | 16/48页 |
| 文件大小： | 437K |
| 代理商： | TDA7461NDTR |
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TDA7461
Stereo decoder part
4.3
Noise blanker part
●
internal 2nd order 140 kHz high pass filter
●
programmable trigger threshold
●
additional circuits for trigger adjustment (deviation, field-strength)
●
very low offset current during hold time
●
four selectable pulse suppression times
Table 9.
Noise blanker electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VTR
Trigger threshold (1), (2)
meas. with VPEAK = 0.9V
NBT = 111
30
mVOP
NBT = 110
35
mVOP
NBT = 101
40
mVOP
NBT = 100
45
mVOP
NBT = 011
50
mVOP
NBT = 010
55
mVOP
NBT = 001
60
mVOP
NBT = 000
65
mVOP
VTRNOISE
Noise Controlled
Trigger Threshold(3)
meas. with VPEAK = 1.5V
NCT = 00
260
mVOP
NCT = 01
220
mVOP
NCT = 10
180
mVOP
NCT = 11
140
mVOP
VRECT
Rectifier Voltage
VMPX = 0mV
0.5
0.9
1.3
V
VMPX = 50mV; f = 150KHz
1.5
1.7
2.1
V
VMPX = 100mV; f = 150KHz
2.2
2.5
2.9
V
VRECT DEV
Deviation dependent(4)
rectifier voltage
means. with
VMPX = 800mV
(75KHz dev.)
OVD = 11
0.5
0.9(off)
1.3
mVOP
OVD = 10
0.9
1.2
1.5
mVOP
OVD = 01
1.7
2.0
2.3
mVOP
OVD = 00
2.5
2.8
3.1
mVOP
VRECT FS
Fieldstrength
controlled (5)
rectifier voltage
means. with
VMPX = 0mV
VLEVEL << VSBL
(fully mono)
FSC = 11
0.5
0.9(off)
1.3
V
FSC = 10
1.0
1.3
1.6
V
FSC = 01
1.5
1.8
2.1
V
FSC = 00
2.0
2.3
2.6
V
1.
All thresholds are measured using a pulse with TR = 2 μs, THIGH = 2 μs and TF = 10 μs.
2.
NBT represents the Noise blanker-Byte bits D2; D0 for the noise blanker trigger threshold
3.
NAT represents the Noise blanker-Byte bit pair D4,D3 for the noise controlled trigger adjustment
4.
OVD represents the Noise blanker-Byte bit pair D7,D6 for the over deviation detector
5.
FSC represents the Fieldstrength-Byte bit pair D1,D0 for the fieldstrength control
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| TDA7462D013TR | 功能描述:音频 DSP DUAL AUDIOPROCESSOR COMPANDER /SUBWOOFER 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 |
| TDA7463A | 功能描述:多媒体杂项 Lo Vltg TONE CONTROL RoHS:否 制造商:Texas Instruments 类型: 通道数量: 转换速率:540 Mbps 分辨率: 封装 / 箱体:SOIC-16 封装:Tube |
| TDA7463A_1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR |
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