PRELIMINARY TECHNICAL DATA

AD5280/AD5282

2

REV PrE 12 MAR 02

Information contained in this Product Concept Data Sheet describes a product in the early definition stage. There is no guarantee that the information contained here will become a final

product in its present form. For latest information contact Walt Heinzer/Analog Devices, Santa Clara, CA. TEL 408 382-3107; FAX 408 382-2721; email; walt.heinzer@analog.com

Parameter

Symbol

Conditions

Min

Typ

1

Max

Units

DC CHARACTERISTICS RHEOSTAT MODE Specifications apply to all VRs

R-DNL

-1

±0.4

+1

LSB

R-INL

-1

±0.5

+1

LSB

∆R

-30

30

%

Resistance Temperature Coefficient

30

ppm/°C

Wiper Resistance

40

100

Ω

DC CHARACTERISTICS POTENTIOMETER DIVIDER MODE Specifications apply to all VRs

Resolution

N

8

Bits

INL

Ω, 50KΩ

–1

±0.5

+1

LSB

INL

Ω

–2

±0.5

+2

LSB

DNL

–1

±0.4

+1

LSB

Voltage Divider Temperature Coefficient

5

ppm/°C

Full-Scale Error

–1

-0.5

+0

LSB

Zero-Scale Error

0

+0.5

+1

LSB

RESISTOR TERMINALS

V

45

pF

60

pF

Common Mode Leakage

1

nA

DIGITAL INPUTS

Input Logic High

SDA & SCL

V

Input Logic Low

SDA & SCL

-0.5

V

Input Logic High

AD0 & AD1

2.4

V

Input Logic Low

AD0 & AD1

0

0.8

V

Input Logic High

2.1

V

Input Logic Low

0

0.6

V

Input Current

±1

µA

3

pF

DIGITAL Output

O1, O2

2.4

5.5

V

O1, O2

0

0.4

V

SDA

0.6

V

SDA

0.4

V

Three-State Leakage Current

±1

µA

3

8

pF

POWER SUPPLIES

Logic Supply

+2.7

+5.5

V

Power Single-Supply Range

+5

+15

V

Power Dual-Supply Range

±4.5

±5.5

V

Logic Supply Current

10

µA

Positive Supply Current

20

60

µA

Negative Supply Current

20

60

µA

0.2

0.6

mW

Power Supply Sensitivity

PSS

0.05

0.015

%/%