ALD7555 datasheet(2/12 Pages) ALD

2 / 12 page

ALD7555/ALD7556

Advanced Linear Devices

2 of 12

ABSOLUTE MAXIMUM RATINGS

Supply voltage, V+

13.2V

Input voltage range

-0.3V to V+ +0.3V

Power dissipation

600 mW

Operating temperature range

SAL, SBL, PAL, PBL package

0°C to + 70°C

DA, DB package

-55°C to +125°C

Storage temperature range

-65°C to +150°C

Lead temperature, 10 seconds

+260°C

OPERATING ELECTRICAL CHARACTERISTICS

TA = 25

oC V+ = +5V unless otherwise specified

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions

Supply Voltage

V+

210

Supply Current ALD7555

µA

Outputs Unloaded

Supply Current ALD7556

100

180

µA

Timing error / Astable mode

terr

1.0

2.5

C = 0.1µF

Initial Accuracy

Drift with Temperature 1

∆t/∆T

10.0

ppm/°CRA = 1KΩ

Drift with Supply Voltage 1

∆t/∆V+

0.2

%/V

RB = 1KΩ

Threshold Voltage

VTH

3.233

3.333

3.433

Trigger Voltage

VTRIG

1.567

1.667

1.767

Trigger Current 2

ITRIG

.01

0.4

Reset Voltage

VRST

0.4

0.7

1.0

Reset Current 2

IRST

.01

0.4

Threshold Current 2

ITH

.01

0.4

Control Voltage Level

VCONT

3.200

3.333

3.467

Output Voltage Drop (Low)

VOL

0.2

0.4

ISINK = 10mA

Output Voltage Drop (High)

VOH

4.2

4.6

ISOURCE = -2mA

Rise Time of Output 1

RL = 10MΩ

Fall Time of Output 1

CL = 10pF

Discharge Transistor

IDL

.01

Leakage Current

Discharge Voltage Drop

VDISC

0.5

1.0

I DISCHARGE = 80mA

0.2

0.4

I DISCHARGE = 30mA

Maximum Frequency

RA = 470Ω

Astable Mode

fMAX

1.0

2.5

MHz

RB = 200Ω

CT =100pF

Minimum Trigger Pulse Width1

tTRIG

100

Notes:

1 Sample tested parameters.

2 Consists of junction leakage currents with strong temperature dependence.

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