ZSSC3026

Low Power 16 Bit Sensor Signal Conditioner IC

Data Sheet

May 15, 2012

© 2012 Zentrum Mikroelektronik Dresden AG — Rev. 1.02

All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without

the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.

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1.3.

Electrical Parameters

All parameter values are valid only under specified operating conditions. All voltages are referenced to Vss.

Table 1.4

Electrical Parameters.

PARAMETER

SYMBOL

CONDITIONS/COMMENTS

MIN

TYP

MAX

UNIT

SUPPLY

Bridge Supply Voltage,

ADC Reference Voltage

internally generated

1.60

1.67

1.74

V

Active State, average

900

1500

µA

Sleep State, Idle Current, <85°C

20

250

nA

Current Consumption

Sleep State, Idle Current, <125°C

50

950

nA

17

dB

Power Supply Rejection

(see Figure 3.1)

32

dB

Memory Program Voltage

Required voltage level at VDD-pin

2.9

3.6

V

Mean Program Current

Mean current consumption during

MTP programming cycle at VDD

6

mA

Peak Program Current

MTP Program at VDD-pin,

dynamic switch-on current draw

20

mA

ANALOG TO DIGITAL CONVERTER (ADC)

Resolution

10

16

Bit

ADC Clock Frequency

Internal ADC clock

0.925

1

1.12

MHz

Reference Voltage n

*0.03

Reference Voltage p

*0.97

Offset

A2D_Offset

8-step programmable offset

1/16

8/16

Integral Nonlinearity (INL)

Based on ideal slope

-4

-

+4

LSB

Differential Nonlinearity

Tested / verified within design

-1

-

+1

LSB

Conversion Rate, 16bit single

Conversions per second for

single 16bit A2D conversion

6

-

355

Hz

AMPLIFIER

Gain

32 steps

13.2

72

Gain Error

referred to nominal gain

-1.5

-

1.5

%

SENSOR SIGNAL CONDITIONING PERFORMANCE

IC Accuracy Error

Accuracy error for ideally linear

(in temperature and e.g.

pressure) sensor

0.01

%FSO

*

16