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| AN8725FH Datasheet, PDF (21/36 Pages) Panasonic Semiconductor – Semiconductor laser power control IC | |||
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ICs for Optical Disk Drive
AN8725FH
s Electrical Characteristics at VCC = 5.0 V, Ta = 25°C (continued)
⢠Design reference data (continued)
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter
Symbol
Conditions
Min Typ Max Unit
Register â output (continued)
Test mode operation SW3 *9
t83 XWR â to SW3 "on" DAC3 ±2.0 LSB  330 600 ns
t83A XWR â to SW3 "on" DAC3 Ã 50%
 30 80
t84 XWR â to SW3 "off" 0 mA ±2.0 LSB  50 150
Test mode operation SW1 *10
t84A XWR â to SW3 "on" DAC3 Ã 50%
t91 XWR â to SW1 "off"
 20 60
 20 100 ns
t92 XWR â to SW1 "on"
 35 150
Test mode operation DAC5
t93 XWR â to DAC5 W,
at having reached ±0.5 LSB
 1.0 2.5 µs
t94 XWR â to DAC5 R,
at having reached ±0.5 LSB
 0.7 2.5
Test mode operation DAC6
t95 XWR â to DAC6 W,
at having reached ±0.5 LSB
 1.0 2.5 µs
t96 XWR â to DAC6 R,
at having reached ±0.5 LSB
 0.7 2.5
Note) *9 : Data sets up "7Fh".
*10: DAC1 = 7 Fh, DAC9 = 00 h, DAC7 = 0h, DAC8 = Fh
s Terminal Equivalent Circuits
Pin No.
Symbol
1 Pin 1: SGND
2 Pin 2: DGND
3 Pin 3: DGND
4 Pin 4: PKMD
5 Pin 5: BIMD
6 Pin 6: RPHOLD
7
Pin 7: XWR
8
Pin 8: XRD
Equivalent circuit

Pin 4, 5, 6, 11,
12, 13, 14,
27
100 kâ¦
5 kâ¦
Pin 7, 8, 26
100 kâ¦
5 kâ¦
DVCC
DGND
DVCC
DGND
21
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