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FAH4840-269128 Datasheet, PDF (4/21 Pages) List of Unclassifed Manufacturers – FAH4840 Haptic Driver for Linear Resonant Actuators (LRAs)
DC Electrical Characteristics
TA = 25°C, VDD = 3.3 V, VREG=2.0 V, unless otherwise noted.
Symbol
Parameter
fIPWM
IIHPWM
IIHHEN
IILPWM
IILHEN
VIH
VIL
CIN
PWM Input Frequency
Input Current
Input Current
Input Current
Input Current
Input Logic HIGH (HEN, PWM)
Input Logic LOW (HEN, PWM)
Input Capacitance
VOL Output Voltage
VOH Output Voltage
IOUT Output Drive Current
IOUTSCP Short-Circuit Protection
IDD1 Supply Current
IDD2 Supply Current
IDD3 Supply Current
IDD4 Supply Current
VREG Output Voltage Range
VREGA Output Voltage Accuracy
Conditions
Square Wave Input
PWM = 1.8 V
HEN = 1.8 V
PWM = 0 V
HEN = 0 V
PWM Capacitance to GND or 1.8 V
VDD=3.3 V, RL=15 Ω, VOL=VOL(measure)-
(VCM-VREG/2), See Waveforms Below
VDD=3.3 V, RL=15 Ω, VOH=VOH(measure)-
(VCM-VREG/2), See Waveforms Below
VDD=3.3 V, VREG=3.0 V, RL = 15 Ω
VDD=3.3 V, VREG=3.0 V, MDP and
MDN Shorted Together and Each
Shorted to Ground
PWM=22.4 kHz 50% Duty, HEN =
HIGH, RL= No Load
PWM=22.4 kHz 90/10% Duty, HEN =
HIGH, RL= 25 Ω
PWM,HEN = 0 V, RL= 25 Ω
PWM, HEN=0 V, VDD=2.5 V, Address
0 Bit 7 Set to Zero
Measure VREG , VDD per Table
Measure VREG
Min.
10
1.15
1.4
-2.5
Typ.
1
1
1
1
6
0.02
1.95
200
350
2
77
15
2.0
2.0
Max.
250
3
3
3
3
0.5
10
400
5
3.2
2.5
Unit
kHz
µA
µA
µA
µA
V
V
pF
mV
V
mA
mA
mA
mA
µA
nA
V
%
MDP
MDN
Figure 3. Output Waveforms
© 2013 Fairchild Semiconductor Corporation
FAH4840 • Rev. 1.0.0
4
www.fairchildsemi.com