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參數(shù)資料
| 型號： | TZA1025 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Data amplifier and laser supply circuit for CD audio and video optical systems (ADALASLC)(應用在CD音頻和視頻光學系統(tǒng)（ADALAS）中的數(shù)據(jù)放大器和激光電源電路) |
| 中文描述： | 數(shù)據(jù)放大器和激光CD音頻和視頻（ADALASLC）（應用在光碟音頻和視頻光學系統(tǒng)（ADALAS）中的數(shù)據(jù)放大器和激光電源電路光學系統(tǒng)的電源電路） |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 122K |
| 代理商： | TZA1025 |
1998 Oct 30
11
Philips Semiconductors
Product specification
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALASLC)
TZA1025
The application for the TZA1025 (ADALASLC) with the SAA7325 (CD10LC) without a coupling capacitor is shown in
Fig.7. A minimum supply voltage (V
DD
) is required for optimal performance.
Fig.7 Application diagram with SAA7325 (CD10LC) without coupling capacitor.
(1) See equation (3) to calculate the value of this resistor.
(2) Pin CDRW can be controlled by the CD10LC or a microprocessor but can also be fixed or switched by any other means.
(3) The 10 k
feedback resistor between pins 9 and 10 is a fixed value.
(4) The high-pass filter (AC-coupling) is placed at the input of the preamplifier. The
3 dB point (f = 10 kHz) is at
(5) The minimum supply voltage (V
DD
) without using a coupling capacitor is 2.8 V.
R2
(
)
C2 F
×
4
MBK904
handbook, full pagewidth
10 nF
100 nF
100 nF
100 nF
100 nF
TZA1025
(ADALASLC)
SAA7325
(CD10LC)
OPU
1
2
3
4
5
6
7
8
14
13
12
11
10
9
LD
VDD(L)
CFIL
MON
DIN
GND
PWRON
CMFB
RFFB
RFEQO
CDRW
GND
VDD
RGADJ
RRGADJ
(1)
LD
D1
D2
D3
D4
S1
S2
D1
D2
D3
D4
S1
S2
MON
VCOM
HFIN
HFREF
ISLICE
LDON
VRIN
10 k
(3)
1 k
47 pF
C2
(4)
VDD(LASER)
VDD
R2 (4
×
)
VDD
(5)
from
microprocessor
(2)
LF FILTER
6
×
220 pF
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