tza1020 NXP Semiconductors, tza1020 Datasheet - Page 10

• Manufacturer Part Number: tza1020
• Description: Pre-amplifiers For Cd-rw Systems
• Manufacturer: NXP Semiconductors

Philips Semiconductors
8.1.4
Table 8 Control byte for algctrl switch functions
8.1.5
Table 9 Control bits for tlngain
Table 10 Control bits for rengain
2000 Oct 30
algctr6
Pre-amplifiers for CD-RW systems
0
0
0
1
1
C
C
ONTROL BYTE SUBADDRESS
ONTROL BYTE SUBADDRESS
tlngain1
algctr5
0
0
1
0
0
1
1
algctr4
0
0
1
0
1
rengain
0
1
algctr3
01
02
0
0
1
tlngain0
algctr2
0
0
1
0
1
0
1
10
algctr1
0
0
0
1
1
algctr0
0
0
1
0
1
POR state
current gain alpha CD-R
Aoc = 0alpha CD-R circuit power-off
current gain alpha CD-R
Aoc = 1alpha CD-R circuit power-on
current gain alpha CD-R
Aoc = 3alpha CD-R circuit power-off
current gain alpha CD-R
Aoc = 4alpha CD-R circuit power-on
alpha peak detector normal mode
alpha peak detector to level (test)
CD-RW mode 1
CD-RW mode 2
alpha CD-R
alpha CD-RW
DALPHA gain = 0.25
DALPHA gain = 0.50
DALPHA gain = 0.75
DALPHA gain = 1.00
GAIN TLN SIGNAL
TZA1020; TZA1020A
DESCRIPTION
1.3 self test
1 normal
DESCRIPTION
1.5
3.0
4.5
6.0
Product specification