tza1020 NXP Semiconductors, tza1020 Datasheet - Page 19

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

Philips Semiconductors
2000 Oct 30
Reference input current; pin RREF
I
I
V
Reference voltage buffer; pin UOUT
V
I
C
Detector inputs
I
I
I
I
I
V
V
V
I
R
R
R
i(RREF)
RREF
UOUT
NPUT CURRENT RANGE
i(Cn)
i(SA,SB)
i(CAGAIN)
NPUT VOLTAGE LEVEL
NPUT RESISTANCE
i(RREF)
UOUT
i(Cn)
i(SA,SB)
i(CAGAIN)
UOUT
i(Cn)
i(SA,SB)
i(CAGAIN)
Pre-amplifiers for CD-RW systems
SYMBOL
input reference current
current range
input voltage on pin RREF
LOW-level output
reference voltage
HIGH-level output
reference voltage
current range
capacitance on pin UOUT
(necessary for stability)
central diode input current
for C1 to C4
satellite diode input current
for SA1/SA2 and SB1/SB2
input current for set-point
laser power
central diode input voltage
for C1 to C4
satellite diode input voltage
for SA1/SA2 and SB1/SB2
input current for set-point
laser power
central diode input
resistance for C1 to C4
satellite diode input
resistance for SA1/SA2
and SB1/SB2
input resistance for
set-point laser power
PARAMETER
note 1
I
referenced to V
urefsel = 0
urefsel = 1
I
I
AMON = 0
AMON = 1
AMON = 0
AMON = 1
AMON = 0
AMON = 1
AMON = 0
AMON = 1
AMON = 0
AMON = 1; I
I
I
RREF
UOUT
UOUT
i(SA,SB)
i(CAGAIN)
I
I
I
I
Iexton = 1
Iexton = 0
Iexton = 1
Iexton = 0
UOUT
UOUT
UOUT
UOUT
CONDITIONS
= 900 A
= 6 mA
= 0 mA
= 6.25 A
= 6 mA
= 0 mA
= 6 mA
= 0 mA
= 35 A
19
i(cd)
SS
= 25 A
1.22
2.63
3.23
22
100
1.0
0
0.6
0
30
1200
10
MIN.
TZA1020; TZA1020A
1.245
2.77
2.9
3.4
3.5
0
1.4
1.4
1.4
0.7
300
600
1000
1000
4000
700
900
TYP.
1.26
2.90
3.57
0
75
4000
9
520
1800
Product specification
6500
MAX.
V
V
V
V
V
mA
nF
nF
V
V
V
V
V
A
A
A
A
A
A
A
UNIT