ZADCS1082 datasheet, PDF - EEWORLD Datasheet

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ZADCS1082: Description10-Bit, 250ksps, ADC Family; File Size503KB，27 Pages; ManufacturerETC2

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10-Bit, 250ksps, ADC Family

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Data Sheet

Rev.

2.0

October 2011

ZADCS1082/1042/1022

10-Bit, 250ksps, ADC Family

ZADCS1082/1042/1022

10-Bit, 250ksps, ADC Family

Contents

General Device Specification ..............................................................................................................................7

1.1.

1.2.

1.3.

1.4.

1.5.

Absolute Maximum Ratings (Non Operating) ...............................................................................................7

Package Pin Assignment ZADCS1082 / ZADCS1082V ..............................................................................8

Package Pin Assignment ZADCS1042 / ZADCS1042V ..............................................................................9

Package Pin Assignment ZADCS1022 / ZADCS1022V ............................................................................10

Electrical Characteristics ............................................................................................................................11

General Parameters .............................................................................................................................11

Specific Parameters of ZADCS10x2V versions (with Internal Reference) ..........................................12

Specific Parameters of basic ZADCS10x2 versions (without Internal Reference) ..............................13

Digital Pin Parameters .........................................................................................................................13

1.5.1.

1.5.2.

1.5.3.

1.5.4.

1.6. Typical Operating Characteristics...............................................................................................................14

2 Detailed Description ..........................................................................................................................................15

2.1.

2.2.

2.3.

2.4.

General Operation ......................................................................................................................................15

Analog Input................................................................................................................................................16

Internal & External Reference ....................................................................................................................18

Digital Interface ...........................................................................................................................................18

2.5. Power Dissipation .......................................................................................................................................22

3 Layout ................................................................................................................................................................24

4 Package Drawing ..............................................................................................................................................25

Data Sheet

October 12, 2011

the prior written consent of the copyright owner. The information furnished in this publication is

PRELIMINARY

and subject to

changes without notice.

4 of 26

ZADCS1082/1042/1022

10-Bit, 250ksps, ADC Family

List of Figures

Figure 1 Package Pin Assignment for ZADCS1082 & ZADCS1082V........................................................................8

Figure 2 Package Pin Assignment for ZADCS1042 & ZADCS1042V........................................................................9

Figure 3 Package Pin Assignment for ZADCS1022 & ZADCS1022V......................................................................10

Figure 4: Basic application schematic for ZADCS1082V .........................................................................................15

Figure 5: Basic application schematic for ZADCS1082............................................................................................15

Figure 6: Input voltage range in unipolar mode ........................................................................................................16

Figure 7: Input voltage range for bipolar mode ........................................................................................................16

Figure 8: Block diagram of input multiplexer ............................................................................................................17

Figure 9: Equivalent input circuit during sampling....................................................................................................17

Figure 10: Reference Adjust Circuit..........................................................................................................................18

Figure 11: 24-Clock External Clock Mode Timing (f

SCLK

≤

3.3MHz).........................................................................19

Figure 12: Internal Clock Mode Timing with interleaved Control Byte transmission ................................................19

Figure 13: 16-Clock External Clock Mode Conversion.............................................................................................20

Figure 14: 13-Clock External Clock Mode Conversion.............................................................................................20

Figure 15 Detailed Timing Diagram..........................................................................................................................21

Figure 16: Unipolar Transfer Function......................................................................................................................22

Figure 17: Bipolar Transfer Function ........................................................................................................................22

Figure 18: Supply Current versus Sampling Rate ....................................................................................................24

Figure 19: Optimal Power-Supply Grounding System..............................................................................................24

Figure 20: Package Outline Dimensions ..................................................................................................................25

Data Sheet

October 12, 2011

the prior written consent of the copyright owner. The information furnished in this publication is

PRELIMINARY

and subject to

changes without notice.

5 of 26

ZADCS1082 Related Products

	ZADCS1082	ZADCS1022VIS14T	ZADCS1042	ZADCS1042IS16T	ZADCS1042VIS16T	ZADCS1082VIS20T	ZADCS1022	ZADCS1022IS14T	ZADCS1082IS20T	ZADCS1082_11
Description	10-Bit, 250ksps, ADC Family	10-Bit, 250ksps, ADC Family	10-Bit, 250ksps, ADC Family	10-Bit, 250ksps, ADC Family	10-Bit, 250ksps, ADC Family	10-Bit, 250ksps, ADC Family	10-Bit, 250ksps, ADC Family	10-Bit, 250ksps, ADC Family	10-Bit, 250ksps, ADC Family	10-Bit, 250ksps, ADC Family

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