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参数资料
| 型号： | LB1896 |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.2 A, PQFP34 |
| 封装： | HQFP-34 |
| 文件页数： | 2/8页 |
| 文件大小： | 111K |
| 代理商： | LB1896 |
Operating Conditions at Ta=25 °C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
VCC1
5 to 18
V
VCC2VCC1 ^ VCC2
4.3 to 6.5
V
VCref input voltage
VCref
VCC2/2 ±1.0
V
VNS input voltage
VNS
0toVCC2 –1.0
V
Electrical Characteristics at Ta=25 °C, VCC1 = 12V,VCC2=5 V
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply current 1
ICC1
VC = open, VCref = open, RL = ∞,
VS/S =5V
17
30
mA
Supply current 2
ICC2VC = open, VCref = open
7.5
10.5
mA
Supply current 3
ICC3
VC = open, VCref = open, RL = ∞,
VS/S =0V,(ICC of VCC1)
0.9
3
mA
[Drive block]
Output saturation voltage
VO(sat)1IOUT = 0.4 A, sink + source
1.6
2.2
V
VO(sat)2IOUT = 0.8 A, sink + source
2.0
3.0
V
Output TRS sustaining voltage
VO(sus)
IOUT =20mA
20
V
Output static voltage
VOQ
VC = 2.5 V, VCref = 2.5 V
5.7
6.0
6.3
V
Hall amplifier input offset voltage
VH offset
–5
+5
mV
Hall amplifier input bias current
IH bias
15
A
Hall amplifier common-mode input
voltage range
VHch
1.3
2.2
V
Hall input/output voltage gain
GVHO
40
43
46
dB
Control/output drive gain 1
GVCO1
RZ1 = RZ2, GC1 = L, GC2 = L
26
29
dB
Control/output channel difference 1
GVCO1
RZ1 = RZ2, GC1 = L, GC2 = L
–1.5
+1.5
dB
Control/output drive gain 2
GVCO2
RZ1 = RZ2, GC1 = L, GC2 = H
32
35
dB
Control/output channel difference 2
GVCO2
RZ1 = RZ2, GC1 = L, GC2 = H
–1.9
+1.9
dB
Input dead zone voltage
VDZ
RZ1 = RZ2, GC1 = L, GC2 = L
VO (voltage between out and out) =
0.1 V
±13
±38
±55
mV
Input bias current 1
IB SERVO
VC = 1.0 V
500
nA
Input bias current 2
IB n.s
VNS = 1.0 V
500
nA
S/S pin high voltage
VS/S H
Input is CMOS level
4
V
S/S pin low voltage
VS/S L
Note) S/S pin Vth = VCC2/2
1
V
Gain control 1 high voltage
VGC1 H
Input is at CMOS level.
4
V
Gain control 1 low voltage
VGC1 L
Note) GC1 pin Vth = 2.0 V
1
V
Gain control 2 high voltage
VGC2 H
Input is at CMOS level.
4
V
Gain control 2 low voltage
VGC2 L
Note) GC2 pin Vth = 2.0 V
1
V
S/S pin input current
I S/S
Input voltage=5V
50
100
A
Gain control 1, 2 current
IGC
Input voltage=5V
53
110
A
Rotation output saturation voltage
V(sat) H.FG
IO = –5 mA
0.24
0.5
V
Rotation output saturation sustaining
voltage
V(sus) H.FG
7V
Continued on next page.
Allowable
power
dissipation,
Pd
max
—
W
Ambient temperature, Ta — °C
LB1896
No.5225-2/8
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