AN8472SA Datasheet, PDF (4/9 Pages) Panasonic Semiconductor – Spindle motor driver IC for optical disk

AN8472SA
ICs for Compact Disc/CD-ROM Player
s Electrical Characteristics at T_a = 25°C
Parameter
Symbol
Conditions
Min Typ Max Unit
Overall
Circuit current 1
Circuit current 2
Start/stop
I_DD1 V_DD = 5 V in power save mode
I_DD2 V_DD = 5 V
 0 0.1 mA
 9 14 mA
Start voltage
Stop voltage
Hall bias
V_START Voltage with which a circuit operates 2.7  
V
at V_DD = 5 V and L → H
V_STOP Voltage with which a circuit becomes   0.7 V
off at V_DD = 5 V and H → L
Hall bias voltage
Hall amplifier
V_HB V_DD = 5 V, I_HB = 20 mA
0.7 1.3 1.6 V
Input bias current
In-phase input voltage range
Minimum input level
Torque command
I_BH V_DD = 5 V
1
5 µA
V_HBR V_DD = 5 V, except for H2H, H2L 1.5  4.0 V
V_INH V_DD = 5 V
60   mV[p-p]
In-phase input voltage range
Offset voltage
Dead zone
Input current
Input/output gain
Output
EC
EC_OF
EC_DZ
EC_IN
A_CS
V_DD = 5 V
V_DD = 5 V
V_DD = 5 V
V_DD = 5 V, EC = ECR = 2.5 V
V_DD = 5 V, R_CS = 0.33 Ω
0.5  3.9 V
−100 0 100 mV
0 75 150 mV
−5 −1  µA
0.36 0.48 0.60 A/V
High-level output saturation voltage V_OH
Low-level output saturation voltage V_OL
Torque limit current
I_TL
OSC
V_DD = 5 V, I_O = −500 mA
V_DD = 5 V, I_O = 500 mA
V_DD = 5 V, R_CS = 0.33 Ω
 0.15 0.30 V
 0.15 0.30 V
455 570 685 mA
Charging current
Upper threshold voltage
Lower threshold voltage
FG
I_CH V_DD = 5 V
V_CH V_DD = 5 V
V_CL V_DD = 5 V
−65 −50 −35 µA
1.75 2.50 3.25 V
0.35 0.50 0.65 V
FG output high-level
FG output low-level
In-phase input voltage range
FG hysteresis width
Step-up circuit
FG_H
FG_L
V_FGR
H_FG
V_DD = 5 V, I_FG = − 0.01 mA
V_DD = 5 V, I_FG = 0.01 mA
V_DD = 5 V
V_DD = 5 V
3  V
  0.5 V
1.5  3.0 V
5 10 20 mV
Step-up voltage
V_PUMP V_DD = 5 V, V_M1 = V_M2 = 5 V
9.5  15 V
4