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參數(shù)資料
| 型號(hào)： | HA13571FR |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Combo (Spindle & VCM) Driver for HDD |
| 中文描述： | 組合（主軸 |
| 文件頁數(shù)： | 19/22頁 |
| 文件大小： | 103K |
| 代理商： | HA13571FR |
HA13571FR
19
Electrical Characteristics
(cont)
Item
Symbol Min
Typ
Max
Unit
Test Conditions
Applica-
ble pins
Note
VCM
output
driver
Output offset
current
Ios
—
—
±
28
mA
Rs = 0.33
, Rl = 10
,
R102 = 10k
, R103 = 6.6k
C106, R107 = OPEN
VISENH
Transconductance
Gm
—
0.5
±
5%
A/V
Vin = FLTOUT
–3dB bandwidth
BW
—
300
±
30%
kHz
Vout = VCMN, Rl = 15
Total harmonic
distortion
THD
—
1.0
2.5
%
f = 1kHz, Vout = 1Vrms
Time of crossover
distortion
Tcro
—
2
5
μ
s
Ramp input
VCMINP 20
μ
s
R102 = 10k
, R103 = 6.6k
C106, R107 = OPEN
1
Symmetry Vcm
drivers VCMN
VCMP
RATIO
= I2/I1
0.95
1.02
1.09
Ratio
I2 = Irvcm at D = 10%
I1 = Irvcm at D = 90%
I0 = Irvcm at D = 50%
Rs = 0.33
, R
L
= 10
R103/R102 = 10k/6.6k
VCMN
VCMP
Linearity Vcm
drivers VCMN
VCMP
L =
|
I2–I0
|
/
|
I1–I0
|
0.99
1.02
1.05
Ratio
Overvoltage
protection clamp
Vclp2
14.6
15.8
17.0
V
Iclp2 = 100mA
Reference volatge
Vvcmref —
Vcc12/2
±
5%
V
20k
/20k
VCMREF
Retract
(Power
on)
Output voltage
Vretout
0.65
0.9
1.3
V
Rs = 0.33
, R
L
= 15
R1 = 33k
, R2 = 10k
VPCNTL = “L”
VCMN
Saturation voltage
(Lower)
VsatL
—
0.12
0.25
V
VCMP
Retract
(Power
off)
Min. retract current
Iret
15
—
—
mA
VIN = VSHPWR + VF(IM10)
VIN = 2.0–VFSub(@20mA)
VCMN
VCMP
Max. retract voltage
(VCMN–VCMP)
Vret
—
—
1.3
V
VIN = 8V, Rm 4
,
R1 = 33k
, R2 = 10k
Brake
Brake voltage
Vbrks
—
0.5
0.8
V
Ibrk = 1.2A
SCNTL1 to 3 = High
SDRVU
SDRVV
SDRVW
Vrefout
Output voltage
Vref
—
4.0
±
0.2
V
Io = 10.0mA, Cl = 10nF
VREFOUT
Booster Output voltage
Vbst
Vcc12
+0.8
—
Vcc12
+3.7
V
Ispn = 0A, Ivcm = 0A
BSTFLT
Vcc12
+0.8
—
Vcc12
+3.7
V
Ispn = 2.2A, Ivcm = 0A
Vcc12
+0.8
—
Vcc12
+3.7
V
Ispn = 0.5A, Ivcm = 1.5A
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| HA13614FH | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Combo (Spindle & VCM) Driver |
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