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DA7280 Datasheet(PDF) 10 Page - Dialog Semiconductor

Part # DA7280
Description  LRA/ERM Haptic Driver with Multiple Input Triggers, Integrated Waveform Memory and Wideband Support
PDF  76 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA7280 Datasheet(HTML) 10 Page - Dialog Semiconductor

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DA7280
LRA/ERM Haptic Driver with Multiple Input Triggers,
Integrated Waveform Memory and Wideband Support
Datasheet
Revision 3.0
30-Jul-2019
CFR0011-120-00
10 of 76
© 2019 Dialog Semiconductor
4
Characteristics
4.1
Absolute Maximum Ratings
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to
the device. These are stress ratings only, so functional operation of the device at these or any other
conditions beyond those indicated in the operational sections of the specification are not implied.
Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability.
Table 4: Absolute Maximum Ratings
Parameter
Description
Conditions
Min
Max
Unit
VDD
Haptics power supply
Referenced to GND
-0.3
6
V
VDDIO
Haptics IO supply
-0.3
6
V
VOUTN
Haptic driver negative output
-0.3
6
V
VOUTP
Haptic driver positive output
-0.3
6
V
VnIRQ
Interrupt request line to host
-0.3
6
V
VSCL
I2C clock input
-0.3
6
V
VSDA
I2C data input/output
-0.3
6
V
VGPI
General purpose inputs
-0.3
6
V
TA
Operating ambient
temperature
-40
85
°C
TJ
Operating junction
temperature
-40
125
°C
TSTG
Storage temperature
-65
150
°C
ESDHBM
ESD protection
Human Body Model (HBM)
All non-exposed pins
4
kV
ESDCDM
ESD protection
Charged Device Model
(CDM)
1
kV
4.2
Recommended Operating Conditions
Unless otherwise noted, the parameters listed in Table 5 are valid for TA = 25 ºC, VDD = 3.8 V, and
VDDIO = 1.8 V.
Table 5: Recommended Operating Conditions
Parameter
Description
Conditions
Min
Typ
Max
Unit
VDD
Haptics power supply
(battery or regulated rail)
2.8
3.8
5.5
V
VDDIO
Haptics IO supply (Note 1)
1.35
1.8
5.5
V
ZLD
Load impedance
4
50
Ω
CLD
Capacitance to ground on
OUTP and OUTN
1
nF
fLRA
LRA resonant frequency
Frequency tracking enabled
50
300
Hz
fLRA_OL
LRA resonant frequency,
open-loop
Frequency tracking disabled
25
1000
Hz
Note 1
During device operation VDDIO
must be ≤ VDD if GPI_0, GPI_1, and GPI_2 are not grounded.



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