A3907
Low Voltage Voice Coil Motor Driver
ELECTRICAL CHARACTERISTICS Valid at TA = 25°C, VDD = 2.3 to 5.5 V; unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Supply Current
UVLO Enable Threshold
UVLO Hysteresis
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Power-Up Delay
D-to-A Converter
–
IDD
Sleep Mode (SLEEPZ = low), VDD = 2.3 to 3.5 V
–
VUVLO(th) VDD rising
–
VUVLO(hys)
–
TJTSD Temperature increasing
–
TJTSD(hys) Recovery = TJTSD - TJTSD(hys)
–
tdPO
–
Resolution
Res Target = 100 μA/LSB
–
Relative Accuracy
Differential Nonlinearity
Maximum Output Current
Gain Error
Gain Error Drift1
Minimum Code Error
Offset Error
Output
errINL Code = 64 to 1023, Endpoint method
–
errDNL Guaranteed monotonic
–
IMAX Code = 1023
–
errA TJ = 25°C, Code 64 to 1023, VDD = 2.6 to 3.0 V
–10
ΔerrA TJ = –40°C to 125°C
–
IOS1
Code = 1
0
IOS
Code = 64
–
Slew Rate Timer
Output Voltage Range
Output On Resistance
I2C Interface
errTS
VOUT
RDS(on)
Relative to target value
RSENSE + RSINK, IOUT = 102.3 mA
–10
0.35
–
Bus Free Time Between Stop and Start
tBUF
1.3
Hold Time Start Condition
tHD:STA
0.6
Setup Time for Repeated Start
Condition
tSU:STA
0.6
SCL Low Time
tLOW
1.3
SCL High Time
tHIGH
0.6
Data Setup Time
tSU:DAT
100
Data Hold Time
tHD:DAT
0
Typ.
0.5
< 100
2
100
165
15
10
Max.
2
500
2.295
–
–
–
–
10
–
±4
–
–
±1
102.3
–
<3
10
0.2
–
1
5
0.5
–
–
10
–
VDD – 0.1
2
–
–
–
–
–
–
–
–
–
–
–
–
–
900
–
Unit
mA
nA
V
mV
°C
°C
μs
bit
LSB
LSB
mA
%FS
LSB/°C
mA
mA
%
V
Ω
μs
μs
μs
μs
μs
ns
ns
Allegro MicroSystems, LLC
3
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com