tza1015 NXP Semiconductors, tza1015 Datasheet - Page 12

• Manufacturer Part Number: tza1015
• Description: Data Amplifier And Laser Supply Circuit For Cd And Read-only Optical Systems Hdalas
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
The circuits shown in Figs 6 and 7 are applications for the TZA1015 (HDALAS) with the SAA7370A (CD7) or the
SAA7348 (ACE).
1999 Aug 19
handbook, full pagewidth
Data amplifier and laser supply circuit for CD
and read-only optical systems (HDALAS)
(1) Pins RFBWS, GARF and GSE can be microprocessor controlled but can also be fixed or switched by any other means.
(2) For recommended values per speed see Table 3.
(3) The FTC output is available for optional processing.
OPIC
LD
MON
D1
D2
D3
D4
S5
S6
V ref
V DD(RF, LF)
100 nF
100 nF
100
nF
V DD(LASER)
microprocessor
1 nF
from
V DD(LF)
RFBWS
V DD(L)
Fig.6 Application diagram with SAA7370A (CD7).
V COM
MON
CFIL
V ref
LD
D1
D2
D3
D4
S5
S6
(1)
10
11
12
13
14
1
2
3
4
5
6
7
8
9
TZA1015
(HDALAS)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
microprocessor
GARF
GSE
RFN
RFP
GND
V DD(RF)
O1
O2
O3
O4
O5
O6
PWRON
FTC
12
microprocessor
1 nF
1 nF
to
from
R1
R2
(3)
(2)
(1)
(2)
100 nF
V DD(RF, LF)
C1
k
100
22
nF
(2)
100
k
22
nF
6 220 pF
HFREF
ISLICE
LDON
HFIN
I ref
D1
D2
D3
D4
R1
R2
14
18
15
17
3
4
5
7
8
9
64
SAA7370A
Product specification
(CD7)
6
TZA1015
V RL
MGK360