HA13571FR Datasheet, PDF (17/22 Pages) Hitachi Semiconductor – Combo (Spindle & VCM) Driver for HDD

Electrical Characteristics (cont)
Item
Symbol Min
Soft SLOPER
Switch Output voltage
Vsoftr 1.45
SLOPEC
Source current
Isource 7
SLOPEC
Sink current
Isink 7
SLOPEC
High voltage
Vhsoft 3.5
2.0
SLOPEC
Low voltage
Vlsoft 0.9
VCM Input current
Iin
—
PWM
DAC
Input high voltage Vhi
3.5
Input low voltage Vli
—
Input PWM
frequency
Fpwm —
PWM pulse width Tpwm 23
PWM DAC
—
resolution
Positive full scale Vflp
—
voltage
Negative full scale Vfln
—
voltage
Current ratio
–0.5
Output
impedance
Rout —
Filter
Output
impedance
Rout —
Phase shift
—
Cutoff frequency Fc
33
Attenuation
—
Typ Max
1.90 2.35
9
12
9
12
4.4 5.5
2.4 2.8
1.1 1.3
—
±200
—
—
—
1.5
625 —
—
—
14 —
Vrefout —
+1.0
Vrefout —
–1.0
32
+1.0
3.75 ±17%
—
40
—
1.2
50
75
24
±10
Unit Test Conditions
V
R106 = 100kΩ
µA R106 = 100kΩ
µA R106 = 100kΩ
V
High SR
V
Low SR
V
µA Vin = 0V to 5V
V
V
kHz
ns
bits
V
V
A/A MSB/LSB
kΩ
Ω
∆Vout = 10mV
deg. f = 500Hz,
Vfltinp to Vfltout
kHz ∆Gv = –3dB
dB f = 200kHz
HA13571FR
Applica-
ble pins
SLOPER
Note
SLOPEC
VIPWML
VIPWMH
1
1
VFLTINP 1
1
VFLTOUT
1
1
17