an8725fh Panasonic Corporation of North America, an8725fh Datasheet - Page 15

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

ICs for Optical Disk Drive
Entire optical monitor (continued)
Gain ratio variation to
temperature
Slew rate
Signal changeover response
f characteristics
Current amplification block
Gain variation to temperature
Gain ratio variation to
temperature
Signal changeover response
I to V conversion
Offset voltage variation to
temperature
Slew rate
Open loop gain
Zero-cross frequency
Settling time
AAF analog SW
On resistance at playback
On resistance at recording
DAC1
f characteristics
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
Parameter
Symbol
d
d
dG
dV
S1
t
t
f
dG
t
t
S1
IPDSW1
IPDSW2
t
R
PMSW1
PMSW2
f
PMROF
R
G
G
G
IVSET
G
Sl
DAC1
G
f
dT
AFW
0IV
AFR
PMW
IPDW
PMR
PMW
IPDR
IVOF
IPDR
PMW
PMR
IV
CC
IV
In playback, AAF-off rise
In recording, rise
In playback, 3 dB, VR1 1 k ,
AAF filter on, I
In playback, I
T
In recording, I
T
In playback, I
In recording, I
T
at having reached 0.5%
at having reached 0.5%
VR1
T
Output amplitude at 1 V[p-p]
Error 0.5%, output variation: within
the range of 0 V to 2 V
0
Sine wave signal equivalent to 40 mA[p-p]
of current amplitude at LPF12 pin,
DAC7 0h , DAC8 Fh , DAC9 00h
RDCP2 pin
5.0 V, T
T
a
a
a
a
a
10
1
10
1
between I
20 C to 75 C
20 C to 75 C
20 C to 75 C
20 C to 75 C
20 C to 75 C
0 , I
10, at having reached 0.5%
10,
a
1, at having reached 0.5%
1,
Conditions
PD
25 C (continued)
PD
PD
VOUT
PD
1 000 pF
PD
PD
100 A to 200 A
60 A to 240 A,
60 A to 240 A,
0 A,
0.2 mA to 3.2 mA,
0.2 mA to 3.2 mA,
and I
VIN
Min
13
35
20
3
3
3
3
40.8
Typ
100
200
100
200
100
175
200
18
45
10
34
50
8
1
AN8725FH
Max
300
500
300
500
200
250
300
50
3
3
3
3
MHz
MHz
V/ s
V/ s
Unit
kHz
dB
%
ns
%
%
ns
ns
C
V
15