MAS6240 Micro Analog systems, MAS6240 Datasheet - Page 2

• Manufacturer Part Number: MAS6240
• Description: Piezo Driver
• Manufacturer: Micro Analog systems

BLOCK & APPLICATION DIAGRAM
Figure 1: Charge Pump + Single End Piezo Driver (max 9Vpp)
Note: Pulsed signal at digital input DIN is taken as “1” if pulse low time is less than 10 ms!
Figure 2: Charge Pump + Differential Piezo Driver (max 18Vpp)
Table 1 Charge Pump boosting mode selection
DIN
0
1
1
1
1
0.1uF
EN1
-
0
0
1
1
0.1uF
VIN (3V)
VIN (3V)
DIN
EN1
EN2
EN1
EN2
DIN
Oscillator
Oscillator
1MHz
1MHz
Control
Logic
Control
Logic
EN2
-
0
1
0
1
CP1
CP1
1x/2x/3x Charge Pump
1x/2x/3x Charge Pump
0.1uF
0.1uF
CN1
Short Circuit
CN1
Protection
Short Circuit
Protection
CP2
CP2
Charge Pump
OFF
OFF
1x Mode (VIN)
2x Mode (2xVIN)
3x Mode (3xVIN)
0.1uF
0.1uF
GND
GND
CN2
CN2
VO1
VO2
VOUT
VO2
VO1
VOUT
0.1uF
PIEZO SOUNDER
0.1uF
20 November 2006
PIEZO SOUNDER
DA6240.001
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