A8932-A View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A8932-A' PDF : 8 Pages View PDF
8932-A
VOICE-COIL MOTOR DRIVER
ELoLaEdC=TR1I5C0AµLHC/3H.5AΩRA(uCnTlEesRsISoTthICeSrwaitsTeAn=ot+e2d5)°.C, VCC = VDD = 5.0 V, VREF = VIN = 2.0 V,
Characteristic
Error Amplifier
Input Offset Voltage
Current Gain
Current Gain Linearity
Reference Voltage Range
Voltage-Sense Amplifier
Voltage Gain
Output Offset Voltage
Current-Sense Amplifier
Amplifier Error
Input Offset Voltage
Output Drivers
Total On Resistance
(Source + Sink)
Retract Output Voltage Error
Full Power Bandwidth
Uncommitted Op Amp
Voltage Gain
Unity Gain Bandwidth
Max. Load Capacitance
Slew Rate
Output Voltage
Max. Output Current
Input Offset Voltage
Symbol
Test Conditions
VIO
AiH
AiL
EL(adj)
VREF
ILOAD = 0 mA
H GAIN ≥ 3.5 V
H GAIN ≤ 0.7 V
IOUT = 5 mA to 500 mA, Ai = AiL
IOUT = 5 mA to 500 mA, Ai = AiH
AVD
VOO
ILOAD = 0 mA
EVD
(Rs x ILOAD / (Ai x VSENSE)) - 1
ViO
ILOAD = 0 mA, Ai = AiL
rDS(on)
EOUT(PN)
BW
ILOAD = 100 mA
ILOAD = 500 mA
VOUT(P) - VOUT(N) - VRETSET
-3 dB
AVS
BW
CLOAD
SR
VO
VOSW
IO
VIO
VSWITCH ≤ 0.7 V
VSWITCH ≥ 3.5 V
Negative current is defined as coming out of (sourcing) the specified device terminal.
Typical Data is for design information only.
Min.
Limits
Typ. Max.
Units
—
—
±50 mV
7200 8000 8800 —
1800 2000 2200 —
—
—
±10
%
—
—
±10
%
1.5
—
2.5
V
0.36 0.40 0.44 —
—
—
±25 mV
—
1.0
—
—
—
—
±25 mV
—
2.0
2.5
Ω
—
2.0
2.5
Ω
—
— ±100 mV
1.0
—
—
kHz
—
91
—
dB
—
1.0
— MHz
—
40
—
pF
—
4.2
— V/µs
2.5
—
3.5
V
2.5
—
3.5
V
— ±250 —
µA
— <±10 —
mV
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