RE46C104

Piezoelectric Horn Driver and Voltage Converter

R&E International

Product Specification

A Subsidiary of Microchip Technology Inc.

© 2009 Microchip Technology Inc.

DS22164A-page 2

Electrical Characteristics at TA = 25°C, VDD = 5V, Vss = 0V (unless otherwise noted).

Parameter

Test

Pin

Test Conditions

Limits

Min

Typ

Max

Units

Supply Voltage

Vdd

Operating

4.0

5.0

8.0

V

Standby Supply

Current

Vdd

Hrnen, Cpmpen = Vss

Feed = Vss ; Vdd = 5V

100

500

nA

Vdd

Hrnen, Cpmpen = Vss

Feed = Vss ; Vdd = 8V

500

nA

Supply Current

Vdd

Hrnen = Vss

Cpmpen = Vdd

No Loads; See note 1

200

500

uA

Input Leakage

Hrnen &

Cpmpen

Vin = Vdd or Vss

-100

100

nA

FEED

Feed = +22V

Cpmpen = Vdd

20

50

uA

FEED

Feed = -10V

Cpmpen = Vdd

-50

-15

uA

Input Voltage Low

Hrnen &

Cpmpen

1.0

V

Input Voltage High

Hrnen &

Cpmpen

2.3

V

Output Low Voltage

Horns or

Hornb

Iout = 16mA

Cpmpen = Vdd

0.3

0.5

V

Output High Voltage

Horns or

Hornb

Iout = -16mA

Cpmpen = Vdd

8.5

8.7

V

Vpos Output Voltage

Vpos

Iout = -16mA

Cpmpen = Vdd

Hrnen = Vss

8.9

V

Charge Pump

Oscillator Freq

Vpos

16

kHz

Charge Pump Power

Efficiency

Vpos

Iout = -16mA

C1=C2=10uF

85

%

Charge Pump

Voltage Conversion

Efficiency

Vpos

No Loads

C1=C2=10uF

95

99

%