AN8725FH Datasheet, PDF (13/36 Pages) Panasonic Semiconductor – Semiconductor laser power control IC

ICs for Optical Disk Drive
s Electrical Characteristics at V_CC = 5.0 V, T_a = 25°C (continued)
Parameter
Symbol
Conditions
Abnormally emitted light detection optical monitor block
Offset voltage
Gain
Gain ratio
f characteristics at playback
f characteristics at recording
Control operation response
V_EROFR In playback, DETMONI pin,
I_PD = 0 µA
V_EROFW In recording, DETMONI pin,
I_PD = 0 µA
G_ERR1 In playback, addr. "9": D4 = "0",
I_PD = 100 µA to 200 µA
G_ERR2 In playback, addr. "9": D4 = "1",
I_PD = 100 µA to 200 µA
G_ERW In recording, DETMONI pin,
I_PD = 100 µA to 2 000 µA
G_ERR1
G_ERW
G_ERR2
G_ERW
f_ERR VR1 = 1 kΩ, −3 dB,
I_PD = 100 µA to 200 µA
f_ERW VR1 = 1 kΩ, −3 dB,
I_PD = 100 µA to 2 000 µA
Data write to XLDERR ↓
Data write to XLDERR ↑
Data write to sleep mode
Data write to normal mode
RPHOLD ↑ to DAC5 R → W
t₂₀₃ XWR ↑ to XLDERR ↓
t₂₀₄ XWR ↑ to XLDERR ↑
t₂₀₅ XWR ↑ to sleep mode
t₂₀₆ XWR ↑ to normal mode
t₃₉ RPHOLD ↑ to DAC5 W,
at having reached ±0.5 LSB
RPHOLD ↓ to DAC5 W → R
t₄₀ RPHOLD ↓ to DAC5 R,
at having reached ±0.5 LSB
RPHOLD ↑ to DAC6 R → W
t₄₁ RPHOLD ↑ to DAC6 W,
at having reached ±0.5 LSB
RPHOLD ↓ to DAC6 W → R
t₄₂ RPHOLD ↓ to DAC6 R,
at having reached ±0.5 LSB
RPHOLD ↑ to HF module signal t₄₃
RPHOLD ↓ to HF module signal t₄₄
RPHOLD ↑ to XHFON ↑
RPHOLD ↓ to XHFON ↓
AN8725FH
Min Typ Max Unit
−40  60 mV
−50  50
9.0 10.0 11.0 times
4.5 5.0 5.5
0.9 1.0 1.1
9.0 10.0 11.0 times
4.5 5.0 5.5
2.5   MHz
5.0   MHz
 20 60 ns
 25 60 ns
4
9
µs
3
8
µs
 0.40 2.5 µs
 0.40 2.5 µs
 0.40 2.5 µs
 0.40 2.5 µs
 18 30 ns
 17 30 ns
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