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参数资料
| 型号： | TZA1024T |
| 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 ADALAS |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| 文件页数： | 5/20页 |
| 文件大小： | 108K |
| 代理商： | TZA1024T |
1998 Oct 30
13
Philips Semiconductors
Product specication
Data amplier and laser supply circuit for CD
audio and video optical systems (ADALAS)
TZA1024
The application for the TZA1024 (ADALAS) with the SAA7324 (CD10) without a coupling capacitor is shown in Fig.9.
A minimum supply voltage (VDD) is required for optimal performance.
Fig.9 Application diagram with SAA7324 (CD10) without coupling capacitor.
(1) See Equation (3) to calculate the value of this resistor.
(2) Pins EQSEL and CDRW can be controlled by the CD10 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) For recommended values per speed see Table 1.
(5) The high-pass filter (AC-coupling) is placed at the input of the preamplifier. The
3 dB point (f = 10 kHz) is at
(6) The minimum supply voltage (VDD) without using a coupling capacitor is 2.8 V.
R2
() C2 F
()
×
4
---------------------------------------------
MGR524
handbook, full pagewidth
10 nF
100 nF
TZA1024
(ADALAS)
SAA7324
(CD10)
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
EQSEL
VDD
RGADJ
RRGADJ
(1)
from
microprocessor(2)
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
C1(4)
C2(5)
VDD(LASER)
VDD
R2 (4
×)
VDD
(6)
LF FILTER
6
× 220 pF
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