參數(shù)資料
型號(hào)： TEA0675T-T
廠(chǎng)商： NXP SEMICONDUCTORS
元件分類(lèi)： 噪聲抑制
英文描述： B Type, DOLBY NOISE REDUCTION IC, PDSO24
封裝： 7.50 MM, PLASTIC, MS-013AD, SOT-137-1, SOP-24
文件頁(yè)數(shù)： 32/32頁(yè)
文件大?。?/td> 225K
代理商： TEA0675T-T
1996 Jun 07
9
Philips Semiconductors
Preliminary specication
Dual Dolby* B-type noise reduction circuit
for playback applications
TEA0675
Table 1
Blank delay time set by resistor Rt at pin TD
General note
It is recommended to switch off VCC with a gradient of 400 V/s at maximum to avoid plops on tape in the event of contact
between tape and tape head while switching off.
RESISTOR VALUE Rt
(k
)
DELAY TIME td
TYP. (ms)
TOLERANCE
(%)
68
23
20
150
42
15
180
48
15
220
56
15
270
65
10
330
76
10
470
98
10
560
112
10
680
126
10
820
142
10
1000
160
10
handbook, full pagewidth
60
20
MED623
102
103
104
105
40
50
30
(dB)
(Hz)
(1)
(2)
Fig.3 AMS threshold level.
(1) AMS threshold level for application circuit (Fig.1).
(2) AMS threshold level for test circuit (Fig.24).
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