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参数资料
| 型号： | TZA1025T |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 消费家电 |
| 英文描述： | Data amplifier and laser supply circuit for CD audio and video optical systems ADALASLC |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| 文件页数： | 3/16页 |
| 文件大小： | 99K |
| 代理商： | TZA1025T |
1998 Oct 30
11
Philips Semiconductors
Product specication
Data amplier 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 (VDD) 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 (VDD) without using a coupling capacitor is 2.8 V.
R2
() C2 F
()
×
4
---------------------------------------------
MBK904
handbook, full pagewidth
10 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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| TZA1026 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Data amplifier and laser supply circuit for CD audio and video optical systems ADALASAuto |
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