参数资料
型号: TDA7407TR
厂商: STMICROELECTRONICS
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封装: 10 X 10 MM, 1.40 MM HEIGHT, LQFP-44
文件页数: 13/46页
文件大小: 692K
代理商: TDA7407TR
Obsolete
Product(s)
- Obsolete
Product(s)
Multipath detector
TDA7407
5
Multipath detector
Internal 19kHz band pass filter
Programmable band pass and rectifier gain
two pin solution fully independent usable for external programming
selectable internal influence on Stereoblend
Table 8.
Multipath electrical characteristics
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
fCMP
Center frequency of
multipath-bandpass
stereo decoder locked on pilot tone
19
KHz
GBPMP
Bandpass gain
bits D2, D1 configuration byte = 00
6
dB
bits D2, D1 configuration byte = 10
12
dB
bits D2, D1 configuration byte = 01
16
dB
bits D2, D1 configuration byte = 11
18
dB
GRECTMP Rectifier gain
bits D7, D6 configuration byte = 00
7.6
dB
bits D7, D6 configuration byte = 01
4.6
dB
bits D7, D6 configuration byte = 10
0
dB
bits D7, D6 configuration byte = 11
off
dB
ICHMP
Rectifier charge current
bit D5 configuration byte = 0
0.5
μA
bit D5 configuration byte = 1
1.0
μA
IDISMP
Rectifier discharge current
0.5
1
1.5
mA
Table 9.
Quality detector
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
A
Multipath Influence factor
Addr. 12 / Bit 5+6
00
01
10
11
0.7
0.85
1.00
1.15
dB
B
Noise influence factor
Addr. 16 / Bit 1+2
00
01
10
11
15
12
9
6
dB
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