MAS6240C datasheet(4/11 Pages) MAS

4 / 11 page

DA6240C.000

1 November, 2010

4 (11)

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 VIN = 3 V

C1 version: load 0…2 mA

C2 version: load 0…5mA

1x Mode

2x Mode

3x Mode

2.8

5.2

7.2

Current Consumption

ICC

Charge Pump (no load):

1x Mode

2x Mode

3x Mode

800

2100

150

1500

3000

µA

Single ended application

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

1x Mode

2x Mode

3x Mode

0.3

1.7

4.2

Differential application

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

1x Mode

2x Mode

3x Mode

0.8

3.5

8.2

Signal Frequency

FAUDIO

0.2

kHz

Shutdown Current

ISD

DIN = 0V, Note 1

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

C1 version

1x Mode

2x Mode

3x Mode

130

400

100

300

800

µs

C2 version

1x Mode

2x Mode

3x Mode

100

200

300

µs

Shut Down delay

tOFF

Time before device shutdown after

DIN signal goes to LOW

Short Circuit Current Limit

ISC

From VIN pin

C1 version

C2 version

150

Control Input Threshold

VIH

VIL

EN1, EN2, DIN pins

1.6

0.55

Control Input Current

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

IIH

IIL

VDIN = 0V, Note 2

VEN1,EN2 = 3V

VEN1,EN2 = 0V

µA

Note 1: DIN has been low at least 50 ms.

Note 2: EN1 and EN2 pins are at high-Z state while VDIN=0V.

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