4

FN9084.8

December 29, 2004

Absolute Maximum Ratings

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7V

ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class TBD

Operating Conditions

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%

Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C

Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 125°C

Thermal Information

Thermal Resistance

SOIC Package (Note 1) . . . . . . . . . . . .

60

N/A

QFN Package (Note 2). . . . . . . . . . . . .

33

4

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150°C

Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C

(SOIC - Lead Tips Only)

CAUTION: Stress above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device

at these or any other conditions above those indicated in the operational section of this specification is not implied.

NOTES:

1.

θ

2.

“case temp” is measured at the center of the exposed metal pad on the package underside. See Tech Brief TB379.

Electrical Specifications

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

VCC SUPPLY CURRENT

Nominal Supply

8.0

10.8

14.0

mA

Shutdown Supply

8.0

10.3

13.0

mA

SHUNT REGULATOR

VCC Voltage

VCC tied to 12VDC thru 300

5.63

5.8

5.97

V

VCC Sink Current

VCC tied to 12VDC thru 300

15

20

25

mA

POWER-ON RESET AND ENABLE

POR Threshold

VCC Rising

4.25

4.35

4.50

V

VCC Falling

3.75

3.85

4.00

V

ENABLE Threshold

EN Rising

1.205

1.23

1.255

V

Hysteresis

86

92

98

mV

REFERENCE VOLTAGE AND DAC

Reference Voltage

0.792

0.8

0.808

V

System Accuracy

(Note 3)

-1

-

1

%VID

VID on Fly Step Size

-25

-

mV

VID Pull Up

--20

-

µA

VID Input Low Level

--

1

V

VID Input High Level

-

1.36

1.60

V

PIN-ADJUSTABLE OFFSET

OFS Current

-100

-

µA

Offset Accuracy

ROFS = 5.00k

Ω ±1%

47.0

50.0

53.0

mV

OSCILLATOR

Accuracy

-10

-

10

%

Adjustment Range

0.08

-

1.0

MHz

Disable Voltage

0.8

1.0

1.2

V

Sawtooth Amplitude

-1.37-

V

Max Duty Cycle

-75

-

%

ISL6559