metawells
Product Description
Piezo Haptic Driver with Digital Front End
Product Features
Drive 100nF at 190VPP and 200Hz with 490mW
Drives Capacitive Loads up to 1000nF
Low Quiescent Current: SHUTDOWN; SLEEP; IDLE; IDLE mode Current only 90uA
Multiple operating modes: AUTOPLAY; SENSEPLAY; DIRECTPLAY; FIFOPLAY; SRAMPLAY
Wide Supply Voltage Range of 2.3V to 5.5V
Advanced Piezo Sensing Capabilities
Integrated Digital Front End with I2C
Fast Start Up Time less than 200 μs
Multi-Actuator Synchronization; address selection; Power-on-Reset
ESD verification pass, latch up verification pass
Product Specifications
Recommended Operating Conditions
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Parameter
Specification
Operating Temperature(TA)
-40°C~125°C
Continuous Supply Voltage (VIN)
2.3V~5.5V
Load Capacitance
1000pF (Max)
Inductance
10uH~68uH
Output frequency
1Hz~1000Hz
Key Electrical Characteristics
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Parameter
Condition
Specification
Voltage at REG pin
1.62V~1.98V
Full-scale output voltage
185Vpp~195Vpp
VIN Quiescent current
IDLE Mode
90uA (Typ.)
Total Harmonic Distortion + Noise
fOUT = 250 Hz
VOUT = 190 Vpk-pk
CLOAD = 100 nF
1% (Typ.)
Sensing Detection to Haptic
Feedback Latency
Time from sensing detection
event to automatic playback
30uS (Typ.)
Full scale input range of ADC(
ADC_Gain=0
18V (Max.)
Full scale input range of ADC(
ADC_Gain=1
100V (Max.)
ADC Sampling Frequency(
10kSps (Typ.)
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