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參數(shù)資料
| 型號： | A8936CJT |
| 廠商： | Allegro MicroSystems, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | VOICE COIL MOTOR DRIVER |
| 中文描述： | 音圈電機(jī)驅(qū)動(dòng) |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 102K |
| 代理商： | A8936CJT |
8936
VOICE COIL MOTOR DRIVER
ELECTRICAL CHARACTERISTICS at T
A
= +25
°
C, V
CC
= V
DD
= 5.0 V, V
REF
= V
IN
= 2.0 V,
Load = 150
μ
H/3.5
(unless otherwise noted).
(Source + Sink)
Limits
Max.
Characteristic
Symbol
Test Conditions
Min.
Typ.
Units
Error Amplifier
Input Offset Voltage
V
IO
A
iH
A
iL
E
L(adj)
I
LOAD
= 0 mA
H GAIN
≥
3.5 V
H GAIN
≤
0.7 V
I
OUT
= 5 mA to 500 mA, A
i
= A
iL
I
OUT
= 5 mA to 500 mA, A
i
= A
iH
—
—
50
mV
Current Gain
7200
8000
8800
—
1800
2000
2200
±
10
±
10
2.5
—
Current Gain Linearity
—
—
%
—
—
%
Reference Voltage Range
V
REF
1.5
—
V
Current-Sense Amplifier
Voltage Gain
A
VD
V
iO
R
s
= R
gm
I
LOAD
= 0 mA, A
i
= A
iL
—
1.0
—
—
Input Offset Voltage
—
—
±
25
mV
Output Drivers
Output Saturation Voltage
V
DS(SAT)
I
LOAD
= 100 mA
I
LOAD
= 500 mA
I
OUT
≤
150 mA
Pulse Test,
±
600 mA Limited
—
0.25
—
V
—
1.5
—
V
Retract Output Saturation Voltage
V
DS(SAT)
I
O
BW
—
—
1.0
V
Output Current
—
—
±
500
mA
Full Power Bandwidth
-3 dB
1.0
—
—
kHz
Window Comparator
Lower Trip Point
VEL
IN
VEL
IN
1.12
1.25
1.38
V
Upper Trip Point
2.47
2.75
3.03
V
Uncommitted Op Amp
Voltage Gain
A
VS
BW
—
91
—
dB
Unity Gain Bandwidth
—
1.0
—
MHz
Max. Load Capacitance
C
LOAD
SR
40
—
—
pF
Slew Rate
—
4.2
—
V/
μ
s
Output Voltage
V
O
I
O
V
IO
V
IO
= 100 mV
2.5
—
3.5
V
Max. Output Current
—
±
250
—
μ
A
Input Offset Voltage
—
—
±
10
mV
Continued next page
…
Negative current is defined as coming out of (sourcing) the specified device terminal.
Typical Data is for design information only.
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