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DA7281-00FVC Datasheet(PDF) 13 Page - Renesas Technology Corp

Part # DA7281-00FVC
Description  LRA/ERM Haptic Driver with Multiple I²C Addresses, Integrated Waveform Memory, and Wideband Support
PDF  88 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

DA7281-00FVC Datasheet(HTML) 13 Page - Renesas Technology Corp

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DA7281
LRA/ERM Haptic Driver with Multiple I²C
Addresses, Integrated Waveform Memory, and
Wideband Support
Datasheet
Revision 3.1
10-Feb-2022
CFR0011-120-00
13 of 87
© 2022 Renesas Electronics
Parameter
Description
Conditions
Min
Typ
Max
Unit
fIN_PWM
PWM data input
frequency
10
250
kHz
RDS_ON
H-bridge drain to source
resistance when on
High side plus low side
FETs
2
Ω
ZFLT_UZ
Actuator under-
impedance threshold
Not applicable for coin
ERM
4
Ω
ZFTL_OZ
Over-impedance
threshold
Not applicable for coin
ERM
50
Ω
ZOUT_OFF
Output impedance when
H-bridge not switching
Pull-down enabled
15
kΩ
VDD_POR_FALL
VDD Power-on-Reset
(PoR) falling threshold
2.4
2.55
2.7
V
Note 1
For operation up to 500 mA (instead of 250 mA), see Section 5.7.12.
Note 2
For operation outside this range, see Section 5.7.1.
4.4
Timing Characteristics
Unless otherwise noted, the parameters listed in Table 8 are valid for TA
= 25 ºC, VDD = 3.8 V, and
VDDIO = 1.8 V.
Table 8: Timing Characteristics
Parameter
Description
Conditions
Min
Typ
Max
Unit
tON
Cold boot to IDLE state time
VDD present and PoR released
1.2
1.5
ms
tOUT_IDLE
Time to output from IDLE
state
From GPI or I2C trigger to output
drive
0.75
ms
tOUT_STANDBY
Time to output from
STANDBY state
From GPI or I2C trigger to output
drive
0.15
ms
STOP
SDA
SCL
tFALL
tRISE
tFALL
START
tHOLD_START
tHOLD_DATA
1/fSCL
70%
30%
70%
30%
tSETUP_DATA
tLO_SCL
tHI_SCL
tDATA
ACK
tDATA_ACK
tSETUP_STOP
tSETUP_START
Figure 4: I2C Interface Timing
Table 9: I2C Interface Timing Requirements
Parameter
Description
Conditions
Min
Max
Unit
tBUF
Bus free time from STOP to START
condition
0.5
µs
Standard, Fast, and Fast-Plus Modes
CBUS
Bus line capacitive load
520
pF



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