CAT522

3

8/00

Advanced Information

DC ELECTRICAL CHARACTERISTICS (Cont.):

Symbol

Parameter

Conditions

Min

Typ

Max

Units

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

—

—

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

DAC Settling Time to 1 LSB

—

3

10

µs

—

6

10

µs

Pin Capacitance

Input Capacitance

—8

—

pF

Output Capacitance

—6

—

pF

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

see note 1

AC ELECTRICAL CHARACTERISTICS:

Analog Output

FSO

Full-Scale Output Voltage

—V

ZSO

Zero-Scale Output Voltage

—

V

DAC Output Load Current

—

—

1

µA

DAC Output Impedance

—

—

1K

Ω

—

—

1K

Ω

PSSR

Power Supply Rejection

—

—

1

LSB / V

Temperature

—

—

200

µV/ °C

Temperature Coefficient of

—

700

—

ppm /

°C

Power Supply

Supply Current (Read)

Normal Operating

—

0.4

0.6

mA

Supply Current (Write)

—

1.6

2.5

mA

—

1.0

1.6

mA

Operating Voltage Range

2.7

—

5.5

V