an8725fh Panasonic Corporation of North America, an8725fh Datasheet - Page 20

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

AN8725FH
Note) * 6: Measuring is impossible outside the IC. The built-in resistor Rin2 (10 k , allowance: 10%) and the external C2.
20
Control operation response
AAF reset "reset"
AAF reset "normal"
Register
Mode changeover
AAFRST
Mode changeover
SW6
Mode changeover
XFHON
Mode changeover
SW2
Mode changeover
SW3
Mode changeover
SW1
Mode changeover
LEVSW
Test mode operation
AAF filter
Test mode operation
Current amplification changeover
Test mode operation
XHFON
Test mode operation
SW2
Mask signal (wrt. ERFIL)
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
* 7: Measuring is impossible outside the IC.
* 8: No external fitting until on/off of switch.
* 9: Set the data to "7Fh".
* 9
Parameter
* 8
output
* 6
* 6
* 7
Symbol
t
t
Input
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
81A
t
82A
213
214
215
216
56
58
62
64
68
70
55
57
59
60
61
63
67
69
75
76
77
78
79
80
81
82
CC
AAFRST
AAFRST
ERFIL
ERFIL
XWR
XWR
XWR
XWR
XWR
XWR
XWR
XWR
XWR
XWR
XWR
XWR
XWR
XWR
XWR
XWR
XWR
XWR
when reaching AAF 0.5%
XWR
XWR
XWR
XWR
XWR
XWR
5.0 V, T
output (continued)
to AAF filter reset
to
to
to AAFRST test mode
to AAFRST normal mode
to SW6 test mode
to SW6 normal mode
to XHFON test mode
to XHFON normal mode
to SW2 test mode
to SW2 normal mode
to SW3 test mode
to SW3 normal mode
to SW1 test mode
to SW1 normal mode
to LEVSW test mode
to LEVSW normal mode
to AAF filter normal
to XHFON
to XHFON
to SW2 "on" DAC2 2.0 LSB
to SW2 "on" DAC2
to SW2 "off" 0 mA 2.0 LSB
to SW2 "on" DAC2
to XLDERR1
to XLDERR1
a
to AAF "reset"
to AAF "normal"
1, when reaching 0.5%
10,
Conditions
25 C (continued)
50%
50%
ICs for Optical Disk Drive
Min
0.55
0.35
Typ
200
200
1.2
0.4
0.4
15
25
90
60
20
25
30
20
30
20
20
35
25
20
25
90
30
50
20
Max
200
200
400
200
150
100
100
400
200
150
2.0
2.0
1.0
0.9
0.9
60
60
70
80
50
70
50
50
60
70
80
60
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s