an8725fh Panasonic Corporation of North America, an8725fh Datasheet - Page 21

• Manufacturer Part Number: an8725fh
• Description: Semiconductor Laser Power Control Ic
• Manufacturer: Panasonic Corporation of North America

ICs for Optical Disk Drive
Note) * 9 : Data sets up "7Fh".
Pin No.
Register
Test mode operation SW3
Test mode operation SW1
Test mode operation DAC5
Test mode operation DAC6
Design reference data (continued)
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Electrical Characteristics at V
Terminal Equivalent Circuits
1
2
3
4
5
6
7
8
*10 : DAC1
Parameter
Pin 1: SGND
Pin 2: DGND
Pin 3: DGND
Pin 4: PKMD
Pin 5: BIMD
Pin 6: RPHOLD
Pin 7: XWR
Pin 8: XRD
output (continued)
7 Fh, DAC9
Symbol
* 9
* 10
00 h, DAC7
Symbol
t
t
t
83A
t
84A
t
t
t
t
t
t
83
84
91
92
93
94
95
96
CC
XWR
XWR
XWR
XWR
XWR
XWR
XWR
at having reached 0.5 LSB
XWR
at having reached 0.5 LSB
XWR
at having reached 0.5 LSB
XWR
at having reached 0.5 LSB
5.0 V, T
0h, DAC8
Pin 4, 5, 6, 11,
Pin 7, 8, 26
12, 13, 14,
27
to SW3 "on" DAC3 2.0 LSB
to SW3 "on" DAC3
to SW3 "off" 0 mA 2.0 LSB
to SW3 "on" DAC3
to SW1 "off"
to SW1 "on"
to DAC5 W,
to DAC5 R,
to DAC6 W,
to DAC6 R,
a
Fh
Conditions
25 C (continued)
100 k
100 k
Equivalent circuit
50%
50%
5 k
5 k
Min
Typ
330
1.0
0.7
1.0
0.7
30
50
20
20
35
AN8725FH
Max
600
150
100
150
2.5
2.5
2.5
2.5
80
60
DV
DGND
DV
DGND
CC
CC
Unit
ns
ns
s
s
21