tza1020 NXP Semiconductors, tza1020 Datasheet - Page 17

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

Philips Semiconductors
Table 26 Scale factors controlled by the I
Table 27 Currents controlled by the I
Note
1. The currents are proportional to I
2000 Oct 30
RE
TL
MIR
I
I
I
I
negain
sumref
sdfine
ref
Pre-amplifiers for CD-RW systems
scale
scale
scale
SCALE FACTOR
NORMALIZER
CURRENTS
tlngain1 and tlngain0
CONTROL SIGNAL
CONTROL SIGNAL
sumref4 to sumref0
negain4 to negain0
sdfine7 to sdfine0
RREF
2
C-bus interface; note 1
cdrwsel
rengain
2
. The given current values are valid at I
C-bus interface
17
CONTROL SIGNAL
CONTROL SIGNAL
BINARY VALUE
BINARY VALUE
0000000
0111111
1111111
00000
01111
11111
00000
01111
11111
00
01
10
11
0
1
0
1
:
:
:
:
:
:
RREF
TZA1020; TZA1020A
= 900 A.
VALUE SCALE FACTOR
VALUE CURRENT ( A)
Product specification
3.125
0.05
0.47
0.12
100
1.3
1.5
3.0
4.5
6.0
0.2
7.5
50
15
15
30
20
1
:
:
:
:
:
: