AN8725FH Datasheet, PDF(20/36 Page) Panasonic Semiconductor

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AN8725FH Datasheet, PDF (20/36 Pages) Panasonic Semiconductor – Semiconductor laser power control IC

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AN8725FH

ICs for Optical Disk Drive

s Electrical Characteristics at VCC = 5.0 V, Ta = 25Â°C (continued)

â¢ 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

Control operation response

AAF reset "reset" *6

AAF reset "normal" *6

Mask signal (wrt. ERFIL) *7

Input â output (continued)

t213 AAFRST â to AAF "reset"

t214 AAFRST â to AAF "normal"

t215 ERFIL â to XLDERR1 â

t216 ERFIL â to XLDERR1 â

ï£§ ï£§ 200 ns

ï£§ 1.2 2.0 Âµs

ï£§ 15 ï£§ ns

Mode changeover

t55 XWR â to AAFRST test mode

ï£§ 25 60 ns

AAFRST

t56 XWR â to AAFRST normal mode

ï£§ 200 400

Mode changeover

t57 XWR â to SW6 test mode

ï£§ 90 200 ns

SW6

t58 XWR â to SW6 normal mode

ï£§ 60 150

Mode changeover

t59 XWR â to XHFON test mode

ï£§ 20 60 ns

XFHON

t60 XWR â to XHFON normal mode

ï£§ 25 70

Mode changeover

t61 XWR â to SW2 test mode

ï£§ 30 80 ns

SW2

t62 XWR â to SW2 normal mode

ï£§ 20 50

Mode changeover

t63 XWR â to SW3 test mode

ï£§ 30 70 ns

SW3

t64 XWR â to SW3 normal mode

ï£§ 20 50

Mode changeover

t67 XWR â to SW1 test mode

ï£§ 20 50 ns

SW1

t68 XWR â to SW1 normal mode

ï£§ 35 100

Mode changeover

t69 XWR â to LEVSW test mode

ï£§ 0.55 2.0 Âµs

LEVSW

t70 XWR â to LEVSW normal mode

ï£§ 0.35 1.0

Test mode operation

t75 XWR â to AAF filter reset

ï£§ 25 100 ns

AAF filter *8

t76 XWR â to AAF filter normal

ï£§ 200 400

Test mode operation

t77 XWR â to Ã 1, when reaching Â±0.5% ï£§ 0.4 0.9 Âµs

Current amplification changeover t78 XWR â to Ã 10,

when reaching AAF Â±0.5%

ï£§ 0.4 0.9

Test mode operation

t79 XWR â to XHFON â

ï£§ 20 60 ns

XHFON

t80 XWR â to XHFON â

ï£§ 25 70

Test mode operation

t81 XWR â to SW2 "on" DAC2 Â±2.0 LSB ï£§ 90 200 ns

SW2 *9

t81A XWR â to SW2 "on" DAC2 Ã 50%

ï£§ 30 80

t82 XWR â to SW2 "off" 0 mA Â±2.0 LSB ï£§ 50 150

t82A XWR â to SW2 "on" DAC2 Ã 50%

ï£§ 20 60

Note) *6: Measuring is impossible outside the IC. The built-in resistor Rin2 (10 kâ¦, allowance: 10%) and the external C2.

*7: Measuring is impossible outside the IC.

*8: No external fitting until on/off of switch.

*9: Set the data to "7Fh".

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