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ZSSC3016CI1B: DescriptionLow Power, High Resolution 16-Bit Sensor Signal Conditioner; File Size3MB，45 Pages; ManufacturerETC2

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Low Power, High Resolution 16-Bit Sensor Signal Conditioner

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Data Sheet

Rev. 1.00 / December 2011

ZSSC3016

Low Power, High Resolution 16-Bit Sensor Signal Conditioner

ZSSC3016

Low Power 16 Bit Sensor Signal Conditioner IC

Table of Contents

IC Characteristics .......................................................................................................................................... 7

1.1.

1.2.

1.3.

1.4.

2.1.

2.2.

2.3.

Absolute Maximum Ratings.................................................................................................................... 7

Operating Conditions.............................................................................................................................. 7

Electrical Parameters ............................................................................................................................. 8

Power Supply Rejection Ratio vs. Frequency ...................................................................................... 10

Brief Description ................................................................................................................................... 11

Signal Flow and Block Diagram ........................................................................................................... 11

Analog Front End ................................................................................................................................. 12

Amplifier ......................................................................................................................................... 12

Analog-to-Digital Converter ........................................................................................................... 14

Temperature Measurement ........................................................................................................... 17

Bridge Supply................................................................................................................................. 17

Digital Signal Processor (DSP) Core ............................................................................................. 17

MTP Memory ................................................................................................................................. 17

Clock Generator............................................................................................................................. 17

Power Supervision ......................................................................................................................... 18

Interface ......................................................................................................................................... 18

Circuit Description ....................................................................................................................................... 11

2.3.1.

2.3.2.

2.3.3.

2.3.4.

2.4.

2.4.1.

2.4.2.

2.4.3.

2.4.4.

2.4.5.

3.1.

3.2.

3.3.

3.4.

3.5.

Digital Section....................................................................................................................................... 17

Functional Description................................................................................................................................. 19

Power Up.............................................................................................................................................. 19

Measurements...................................................................................................................................... 19

Operational Modes ............................................................................................................................... 19

Command Interpretation....................................................................................................................... 21

SPI/I2C Commands ....................................................................................................................... 21

Common Functionality ................................................................................................................... 24

SPI ................................................................................................................................................. 25

I C .................................................................................................................................................. 27

Programming Memory ................................................................................................................... 29

Memory Status Commands ........................................................................................................... 29

Memory Contents........................................................................................................................... 30

Calibration Step 1 – Assigning Unique Identification..................................................................... 36

Calibration Step 2 – Data Collection.............................................................................................. 36

Calibration Step 3 – Coefficient Calculations ................................................................................ 37

Bridge Signal Compensation ......................................................................................................... 37

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

3.4.1.

3.5.1.

3.5.2.

3.5.3.

3.6.

3.6.1.

3.6.2.

3.6.3.

3.7.

3.7.1.

3.7.2.

3.7.3.

3.8.

3.8.1.

Data Sheet

Communication Interface ..................................................................................................................... 24

Memory................................................................................................................................................. 28

Calibration Sequence ........................................................................................................................... 36

The Calibration Math ............................................................................................................................ 37

December 7, 2011

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ZSSC3016

Low Power 16 Bit Sensor Signal Conditioner IC

3.8.2.

Temperature Signal Compensation ............................................................................................... 40

Die Dimensions and Pin Assignments ........................................................................................................ 41

Related Documents..................................................................................................................................... 42

Glossary ...................................................................................................................................................... 43

Document Revision History......................................................................................................................... 44

Table of Figures

Figure 2.1

Figure 2.2

Figure 3.1

Figure 3.2

Figure 3.3

Figure 3.4

Figure 3.5

Figure 3.6

Figure 3.7

Figure 3.8

Figure 3.9

ZSSC3016 Functional Block Diagram ........................................................................................... 11

ADC Offset..................................................................................................................................... 16

Operational Flow Chart: Power up ................................................................................................ 20

Operational Flow Chart: Command Mode and Normal Mode ....................................................... 21

SPI configuration CPHA=0 ............................................................................................................ 25

SPI Configuration CPHA=1 ........................................................................................................... 26

SPI Command Request................................................................................................................. 26

SPI Read Status ............................................................................................................................ 26

SPI Read Data............................................................................................................................... 27

I C Command Request.................................................................................................................. 27

I2C Read Status ............................................................................................................................ 28

Figure 3.10 I C Read Data................................................................................................................................ 28

Figure 3.11 Memory Program Operation .......................................................................................................... 29

Figure 4.1

ZSSC3016 Pad Placement............................................................................................................ 41

List of Tables

Table 2.1

Table 2.2

Table 2.3

Table 2.4

Table 2.5

Table 2.6

Table 2.7

Table 3.1

Table 3.2

Table 3.3

Electrical Parameters. ..................................................................................................................... 8

Amplifier Gain: Stage 1.................................................................................................................. 12

Amplifier Gain: Stage 2.................................................................................................................. 12

Gain Polarity .................................................................................................................................. 13

MSB/LSB Settings ......................................................................................................................... 14

ADC Conversion Times for a single A2D conversion.................................................................... 14

Conversion Times vs. Noise Performance for 16bit fully Signal Conditioned Results

(AZBM, BM, AZTM, TM and digital SSC correction) ..................................................................... 15

ADC Offset Settings ...................................................................................................................... 16

SPI/I2C Commands ....................................................................................................................... 22

Get_Raw Commands .................................................................................................................... 23

General Status Byte ...................................................................................................................... 24

Data Sheet

December 7, 2011

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

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ZSSC3016CI1B Related Products

	ZSSC3016CI1B	ZSSC3016CI1DES	ZSSC3016	ZSSC3016CC1B
Description	Low Power, High Resolution 16-Bit Sensor Signal Conditioner	Low Power, High Resolution 16-Bit Sensor Signal Conditioner	Low Power, High Resolution 16-Bit Sensor Signal Conditioner	Low Power, High Resolution 16-Bit Sensor Signal Conditioner

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