© 2007 Microchip Technology Inc.

DS21294C-page 3

MCP3002

Digital Input/Output:

Data Coding Format

Straight Binary

High Level Input Voltage

V

IH

0.7 V

DD

——

V

Low Level Input Voltage

V

IL

—

—

0.3 V

DD

V

High Level Output Voltage

V

OH

4.1

—

—

V

I

Low Level Output Voltage

V

OL

——

0.4

V

I

Input Leakage Current

I

LI

-10

—

10

µA

V

Output Leakage Current

I

LO

-10

—

10

µA

V

Pin Capacitance

(All Inputs/Outputs)

C

—

—

10

pF

V

T

Timing Parameters:

Clock Frequency

f

CLK

—

—

—

—

3.2

1.2

MHz

MHz

V

V

Clock High Time

t

HI

140

—

—

ns

Clock Low Time

t

LO

140

—

—

ns

CS Fall To First Rising CLK Edge

t

SUCS

100

—

—

ns

Data Input Setup Time

t

SU

—

—

50

ns

Data Input Hold Time

t

HD

—

—

50

ns

CLK Fall To Output Data Valid

t

DO

—

—

—

—

125

200

ns

ns

V

V

CLK Fall To Output Enable

t

EN

—

—

125

200

ns

ns

V

V

CS Rise To Output Disable

t

DIS

—

—

100

ns

See Test Circuits, Figure 1-2

Note 1

CS Disable Time

t

CSH

310

—

—

ns

D

t

R

—

—

100

ns

See Test Circuits, Figure 1-2

Note 1

D

t

F

—

—

100

ns

See Test Circuits, Figure 1-2

Note 1

Power Requirements:

Operating Voltage

V

DD

2.7

—

5.5

V

Operating Current

I

DD

—

—

525

300

650

—

µA

V

V

Standby Current

I

DDS

—0.005

2

µA

CS = V

Temperature Ranges:

Specified Temperature Range

T

A

-40

—

+85

°C

Operating Temperature Range

T

A

-40

—

+85

°C

Storage Temperature Range

T

A

-65

—

+150

°C

Thermal Package Resistance:

Thermal Resistance, 8L-PDIP

θ

JA

—85

—

°C/W

Thermal Resistance, 8L-SOIC

θ

JA

—

163

—

°C/W

Thermal Resistance, 8L-MSOP

θ

JA

—

206

—

°C/W

Thermal Resistance, 8L-TSSOP

θ

JA

—

124

—

°C/W

ELECTRICAL CHARACTERISTICS (CONTINUED)

All parameters apply at V

Typical values apply for V

PARAMETER

SYM

MIN

TYP

MAX

UNITS

CONDITIONS

Note 1:

This parameter is established by characterization and not 100% tested.

2:

The sample cap will eventually lose charge, especially at elevated temperatures, therefore f

at or above 70°C.