ZMD31050ACG1-T datasheet, PDF - EEWORLD Datasheet

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ZMD31050ACG1-T: DescriptionSensor/Transducer,; CategoryThe sensor; File Size573KB，27 Pages; ManufacturerZentrum Mikroelektronik Dresden AG (IDT)

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ZMD31050ACG1-T Overview

Sensor/Transducer,

ZMD31050ACG1-T Parametric

Parameter Name	Attribute value
Maker	Zentrum Mikroelektronik Dresden AG (IDT)
Reach Compliance Code	compliant

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Data Sheet

Rev. 1.10 / February 2010

ZMD31050

Advanced Differential Sensor Signal Conditioner

ZMD31050

Advanced Differential Sensor Signal Conditioner

Contents

Electrical Characteristics ...............................................................................................................................6

1.1. Absolute Maximum Ratings....................................................................................................................6

1.2. Operating Conditions (Voltages related to VSS) ...................................................................................6

1.3. Build In Characteristics...........................................................................................................................7

1.3.1. Cycle Rate versus A/D-Resolution ..................................................................................................8

1.3.2. PWM Frequency .............................................................................................................................8

1.4. Electrical Parameters (Voltages related to VSS)...................................................................................9

1.4.1. Supply / Regulation ..........................................................................................................................9

1.4.2. Analog Front End .............................................................................................................................9

1.4.3. DAC & Analog Output (Pin OUT)....................................................................................................9

1.4.4. PWM Output (Pin OUT, IO1) ...........................................................................................................9

1.4.5. Temperature Sensors (Pin IR_TEMP) .............................................................................................9

1.4.6. Digital Outputs (IO1, IO2, OUT in digital mode) ..............................................................................9

1.4.7. System Response ..........................................................................................................................10

1.5. Interface Characteristics.......................................................................................................................11

1.5.1. Multiport Serial Interfaces (I

C, SPI) ..............................................................................................11

1.5.2. One Wire Serial Interface (ZACwire™)..........................................................................................11

2 Circuit Description .......................................................................................................................................12

2.1. Signal Flow ...........................................................................................................................................12

2.2. Application Modes ................................................................................................................................13

2.3. Analog Front End (AFE) .......................................................................................................................14

2.3.1. Programmable Gain Amplifier (PGA).............................................................................................14

2.3.2. Extended Zero Point Compensation (XZC) ...................................................................................14

2.3.3. Measurement Cycle realized by Multiplexer ..................................................................................15

2.3.4. Analog-to-Digital Converter............................................................................................................16

2.4. System Control .....................................................................................................................................17

2.5. Output Stage.........................................................................................................................................18

2.5.1. Analog Output ................................................................................................................................19

2.5.2. Comparator Module (ALARM Output)............................................................................................19

2.5.3. Serial Digital Interface....................................................................................................................19

2.6. Voltage Regulator.................................................................................................................................19

2.7. Watchdog and Error Detection .............................................................................................................20

3 Application Circuit Examples.......................................................................................................................21

4 ESD/Latch-Up-Protection ............................................................................................................................23

5 Pin Configuration and Package...................................................................................................................23

6 Reliability .....................................................................................................................................................24

7 Customization..............................................................................................................................................24

8 Ordering Information ...................................................................................................................................25

9 Related Documents.....................................................................................................................................25

10 Glossary ......................................................................................................................................................26

11 Document Revision History .........................................................................................................................27

Data Sheet

February 18, 2010

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

notice.

4 of 27

ZMD31050

Advanced Differential Sensor Signal Conditioner

List of Figures

Figure 2.1

Figure 3.1

Figure 3.2

Figure 3.3

Figure 3.4

Figure 3.5

Figure 4.1.

Block Diagram of the ZMD31050...................................................................................................12

Example 1 ......................................................................................................................................21

Example 2 ......................................................................................................................................21

Example 3 ......................................................................................................................................21

Example 4 ......................................................................................................................................21

Example 5 ......................................................................................................................................22

Pin Configuration ...........................................................................................................................24

List of Tables

Table 1.1

Table 1.2

Table 1.3

Table 1.4

Table 1.5

Table 1.6

Table 1.7.

Table 2.1

Table 2.2

Table 2.3

Table 2.4.

Table 2.5.

Table 4.1.

Absolute Maximum Ratings .............................................................................................................6

Operating Conditions .......................................................................................................................6

Build In Characteristics ....................................................................................................................7

Cycle Rate versus A/D-Resolution ..................................................................................................8

PWM Frequency ..............................................................................................................................8

Electrical Parameters.......................................................................................................................9

Interface Characteristics ................................................................................................................11

Adjustable gains, resulting sensor signal spans, and common mode ranges...............................14

Extended Zero Point Compensation Range ..................................................................................15

Output Resolution versus Sample Rate ........................................................................................16

Output configurations overview .....................................................................................................18

Analog output configuration ...........................................................................................................19

Pin Configuration ...........................................................................................................................23

Data Sheet

February 18, 2010

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

notice.

5 of 27

ZMD31050ACG1-T Related Products

	ZMD31050ACG1-T	ZMD31050ACG1-R
Description	Sensor/Transducer,	Sensor/Transducer,
Maker	Zentrum Mikroelektronik Dresden AG (IDT)	Zentrum Mikroelektronik Dresden AG (IDT)
Reach Compliance Code	compliant	compliant

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