AN8725FH Datasheet, PDF (9/36 Pages) Panasonic Semiconductor – Semiconductor laser power control IC

ICs for Optical Disk Drive
AN8725FH
s Electrical Characteristics at V_CC = 5.0 V, T_a = 25°C (continued)
Parameter
Symbol
Conditions
Min Typ Max Unit
Digital block
High-level input voltage
Low-level input voltage
High-level input voltage
(Schmitt-trigger input)
Low-level input voltage
(Schmitt-trigger input)
High-level output voltage
Low-level output voltage
Input pull-up, pull-down
resistance
Input leak
Entire optical monitor
V_IH To be applied to a digital input pin
0.8 ×  
V
V_CC
V_IL To be applied to a digital input pin
  0.2 × V
V_CC
V_IHSHC To be applied to PWMSK, ERFIL pin 0.8 ×  
V
V_CC
V_ILSHC To be applied to PWMSK, ERFIL pin   0.2 × V
V_CC
V_OH I_OH = −2 mA
0.8 ×  
V
V_CC
V_OL1 I_OL = +2 mA
  0.2 × V
V_CC
V_OL2 I_OL = +0.5 mA
  0.4
R_PD Pull-up: V_IL = 0 V
Pull-down: V_IH = 5.0 V
75 100 125 kΩ
I_LKH To be applied to a digital input pin,
V_OH = 5.25 V
  80 µA
I_LKL To be applied to a digital input pin,
V_OL = 0 V
  10
Offset voltage at playback
Offset voltage at recording
Gain ratio
V_PMOFR VR1 = 1 kΩ, I_PD = 0 mA
−15  15 mV
VR1 = 1 kΩ, difference from an ideal −40 0 40
value at I_PD = 100 µA to 200 µA
V_PMOFW VR1 = 1 kΩ, I_PD = 0 mA
−15  15 mV
VR1 = 1 kΩ, difference from an ideal −20 0 20
value at I_PD = 100 µA to 2 000 µA
GR G_PMR /G_PMW ,
output = VNR +0.6 V to 2.0 V
9.0 10.0 11.0 times
Maximum output voltage
V_{PM max}
V_CC × V_CC × 
V
0.73 0.78
Minimum output voltage
V_{PM min}
  VNR− V
0.015
f characteristics at playback
f characteristics at recording
Settling time at playback
f_{PMR AAF} AAF-off VR1 = 1 kΩ,
4
OFF ^{−3 dB, I}PD ^{= 100 µA to 200 µA}
f_PMW VR1 = 1 kΩ,
6
−3 dB, I_PD = 100 µA to 2 000 µA
t_PMSETR VR1 = 1 kΩ, error ±0.5%,

output variation: Range of 0 V to 2 V
6
7.5 
200 400
MHz
MHz
ns
Settling time at recording
t_PMSETW VR1 = 1 kΩ, error ±0.5%,
 200 400 ns
output variation: Range of 0 V to 2 V
9