A3904
Low Voltage Voice Coil Motor Driver
ELECTRICAL CHARACTERISTICS
Valid at T
A
= 25°C, V
DD
= 2.4 to 5.5 V, unless otherwise noted
Characteristics
General
Supply Current
UVLO Enable Threshold
UVLO Hysteresis
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Power-Up Delay
D-to-A Converter
Resolution
LSB Relative Accuracy
LSB Differential Nonlinearity
Maximum Output Current
Gain Error
Gain Error Drift
*
Offset Error
Output
Output Voltage Range
Output On Resistance
I
2
C Interface
Bus Free Time Between Stop and Start
Hold Time Start Condition
Setup Time for Repeated Start Condition
SCL Low Time
SCL High Time
Data Setup Time
Data Hold Time
Setup Time for Stop Condition
Logic Input Low Level (SDA, SCL pins)
Logic Input High Level (SDA, SCL pins)
Input Hysteresis (SDA, SCL pins)
SLEEPZ Input Low Level
SLEEPZ Input High Level
Logic Input Current
Output Voltage (SDA pin)
Clock Frequency (SCL pin)
Output Fall Time (SDA pin)
t
BUF
t
hdSTA
t
suSTA
t
LOW
t
HIGH
t
suDAT
t
hdDAT
t
suSTO
V
IL
V
IH
V
hys
V
inSLP
V
inSLP
I
IN
V
OL
f
CLK
t
fO
V
IH
to V
IL
V
IN
= 0 V to V
DD
I
LOAD
= 1.5 mA
1.3
0.6
0.6
1.3
0.6
100
0
0.6
–
1.26
–
–
1.5
–1
–
–
–
–
–
–
100
–
–
0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
900
–
0.84
–
–
0.7
–
1
0.36
400
250
μs
μs
μs
μs
μs
ns
ns
μs
V
V
mV
V
V
μA
V
kHz
ns
V
OUT
R
DS(on)
R
SENSE
+ R
SINK
, I
OUT
= 127.5 mA
0.500
–
–
3
V
DD
–0.1
–
V
Ω
Res
INL
DNL
I
max
err
A
∆err
A
I
errOS
Target = 500
μA
/ LSB
Code = 16 to 255, Endpoint method
Guaranteed monotonic
Code = 255
T
J
= 25°C, Code 16 to 255,
V
DD
= 2.6 to 3.0 V
T
J
= –40°C to 125°C
Code = 1
Code = 16
–
–
–
–
–10
–
0
0.5
8
±4
–
127.5
<3
0.2
1
–
–
–
±1
–
10
–
5
–
bit
LSB
LSB
mA
%FS
LSB/°C
mA
mA
I
DD
V
UV(th)
V
UV(hys)
T
JTSD
.T
JTSD(hys)
t
d(on)
Temperature increasing
T
JTSD(hys)
= T
JTSD
– T
J(recover)
–
Sleep mode (SLEEPZ = Low)
V
DD
rising
–
–
100
–
–
–
0.5
<100
2.1
–
165
15
10
2
500
2.395
–
–
–
–
mA
nA
V
mV
°C
°C
μs
Symbol
Test Conditions
Min.
Typ.
Max.
Units
*Guaranteed by design and characterization, not production tested
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
3
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
