MAS6240 datasheet(4/10 Pages) MAS

4 / 10 page

DA6240.001

20 November 2006

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ELECTRICAL CHARACTERISTICS

TA = -40°C to +85°C, typical values at TA = 27°C, VIN = 3.0 V, C1 = 100 nF, C2 = 100 nF, COUT = 100 nF, CIN = 100 nF, Cpiezo = 15 nF, digital

input DIN=4kHz; unless otherwise specified

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Output Voltage

VOUT

VOUT pin voltage towards ground

at VDD = 3 V

1x Mode (no load)

2x Mode (no load)

3x Mode (no load)

Charge Pump (no load):

1x Mode

2x Mode

3x Mode

490

820

µA

Single ended application

(Cpiezo = 15nF; f=4kHz):

1x Mode

2x Mode

3x Mode

0.27

1.3

2.7

Current Consumption

ICC

Differential application

(Cpiezo = 15 nF; f=4kHz):

1x Mode

2x Mode

3x Mode

0.88

3.5

7.6

Signal Frequency

FAUDIO

0.2

kHz

Shutdown Current

ISD

DIN = 0V,

µA

Internal Switching

Frequency (Charge Pump)

FOSC

0.6

1.8

MHz

VOUT Turn-ON Time

(From DIN signal HIGH to

90% VOUT steady state)

tON

1x Mode

2x Mode

3x Mode

120

µs

Shut Down delay

tOFF

Time before device shutdown after

DIN signal goes to LOW

Short Circuit Current Limit

ISC

From VIN pin

Control Input Threshold

VIH

VIL

EN1, EN2, DIN pins

1.6

0.55

IIH

IIL

VDIN = 3V, (900kΩ pull down)

VDIN = 0V

3.4

µA

IIH

IIL

VDIN = 3V

VEN1,EN2 = 3V, (900kΩ pull down)

VEN1,EN2 = 0V

3.4

µA

Control Input Current

IIH

IIL

VDIN = 0V

VEN1,EN2 = 3V

VEN1,EN2 = 0V

µA

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