Copyright © 2004, ZMD AG, Rev. 1.6, 2005-05-19

12/19

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ZMD31020

Sensor Signal Conditioner

Datasheet

3.3.4

12-bit ADC

(1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

12-Bit sensor signal conversion

ADC diff. non-lin.

-0.5

0.5

LSB

ADC integr. non-lin.

to best-fit straight line

-0.5

0.5

LSB

10-Bit temperature signal conversion

ADC diff. non-lin.

-0.5

0.5

LSB

ADC integr. non-lin.

to best-fit straight line

-0.8

0.8

LSB

3.3.5

EEPROM programming

PARAMETER

SYM.

MIN.

TYP.

MAX.

Prog. voltage HIGH level

11.75

12.25

12.75

V

Prog. voltage LOW level

(conn. to VDD on chip)

VDD

V

Prog. cycle duration

9

ms

0.5

1

2

ms

0.5

1

2

ms

Prog. pulse duration

8

ms

Number of write/read cycles

100

Programming temperature

-40

+85

°C

3.3.6

Serial I

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Input high level

0.9

1

Input low level

0

0.1

Output low level

0.1

Pull-up-resistance (at

SCL and SDA)

470

Pull up current

pins SCL and SDA

5

20

µA

Load capacitance SDA

400

pF