TZA1027HL Philips Semiconductors, TZA1027HL Datasheet - Page 3

• Manufacturer Part Number: TZA1027HL
• Description: Analog current buffer for CD-R and CD-RW systems
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1999 Sep 17
handbook, full pagewidth
Analog current buffer for CD-R and CD-RW
systems
WRON
PDWN
n.c.
HG
A1
A2
B1
B2
C1
C2
C3
C4
21
31
30
9, 10, 11, 12,
17, 20, 32
7
2
6
3
1
8
5
4
V DDA
Fig.1 Block diagram.
SELECTOR
16
GAIN
V DDD
TZA1027
15
3
AGND
13
DGND
14
23
28
24
27
29
22
25
26
19
18
MGR881
A1LF
A2LF
B1LF
B2LF
C1LF
C2LF
C3LF
C4LF
CAHF
HFGND
Preliminary specification
TZA1027