CAT521

Not Recommended for New Design

Doc. No. MD-2003 Rev. I

4

© 2008 SCILLC. All rights reserved.

Characteristics subject to change without notice

POTENTIOMETER CHARACTERISTICS

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Potentiometer Resistance

See note 3

24

kΩ

—

±0.5

±1

%

Pot Resistance Tolerance

±20

%

2.7

V

0

V

Resolution

0.4

%

INL

Integral Linearity Error

0.5

1

LSB

DNL

Differential Linearity Error

0.25

0.5

LSB

Buffer Output Resistance

10

Ω

Buffer Output Current

3

mA

TC of Pot Resistance

300

ppm/ºC

Potentiometer Capacitances

8/8

pF

AC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Digital

Minimum CS Low Time

150

—

—

ns

CS Setup Time

100

—

—

ns

CS Hold Time

0

—

—

ns

DI Setup Time

50

—

—

ns

DI Hold Time

50

—

—

ns

Output Delay to 1

—

—

150

ns

Output Delay to 0

(1)

—

—

150

ns

Output Delay to High-Z

—

400

—

ns

Output Delay to Low-Z

—

400

—

ns

Erase/Write Cycle Time

—

4

5

ms

PROG Setup Time

150

—

—

ns

Minimum Pulse Width

700

—

—

ns

Minimum CLK High Time

500

—

—

ns

Minimum CLK Low Time

300

—

—

ns

Clock Frequency

DC

—

1

MHz

Analog

DPP Settling Time to 1 LSB

—

3

10

µs

—

6

10

µs

Notes:

(2) These parameters are periodically sampled and are not 100% tested.

+20%. The individual 24kΩ resistors are not measurable but guaranteed by design and verification of the 6kΩ +20% value.