參數(shù)資料
型號(hào): TDA7405
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): 48/57頁
文件大?。?/td> 750K
代理商: TDA7405
Obsolete
Product(s)
- Obsolete
Product(s)
TDA7405
52/57
Table 33. High-Cut (26)
Table 34. Fieldstrength Control (27)
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
High-Cut
off
on
0
1
1
0
1
0
1
max. High-Cut
2dB
5dB
7dB
10dB
0
1
1
0
1
0
1
VHCH to be at
42% REF5V
50% REF5V
58% REF5V
66% REF5V
0
1
1
0
1
0
1
VHCL to be at
16.7% VHCH
22.2% VHCH
27.8% VHCH
33.3% VHCH
0
1
Deemphasis Shift
On
Off
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
1
1
1
0
1
0
1
1
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
VSBL to be at
20.0% REF5V
23.3% REF5V
26.6% REF5V
30.0% REF5V
33.3% REF5V
36.6% REF5V
40.0% REF5V
43.3% REF5V
46.6% REF5V
50.0% REF5V
53.3% REF5V
56.6% REF5V
60.0% REF5V
63.3% REF5V
66.6% REF5V
70.0% REF5V
0
1
1
0
1
0
1
Quality Detector Coefficient
a=0.7
a=0.85
a=1.0
a=1.15
0
1
1
0
1
0
1
HCC-Level-Shift (only Level through MPD)
0.0V
500mV
1.0 V
1.5 V
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