CS5101A CS5102A

2

DS45F6

TABLE OF CONTENTS

1. CHARACTERISTICS & SPECIFICATIONS ............................................................................. 4

ANALOG CHARACTERISTICS, CS5101A............................................................................... 4

SWITCHING CHARACTERISTICS, CS5101A ......................................................................... 6

ANALOG CHARACTERISTICS, CS5102A............................................................................... 7

SWITCHING CHARACTERISTICS, CS5102A ......................................................................... 9

SWITCHING CHARACTERISTICS, ALL DEVICES ............................................................... 11

DIGITAL CHARACTERISTICS, ALL DEVICES...................................................................... 13

RECOMMENDED OPERATING CONDITIONS ..................................................................... 13

ABSOLUTE MAXIMUM RATINGS ......................................................................................... 14

2. OVERVIEW ............................................................................................................................. 15

3. THEORY OF OPERATION ..................................................................................................... 15

3.1 Calibration ........................................................................................................................ 16

4. FUNCTIONAL DESCRIPTION ............................................................................................... 17

4.1 Initiating Conversions ....................................................................................................... 17

4.2 Tracking the Input ............................................................................................................ 17

4.3 Master Clock .................................................................................................................... 18

4.4 Asynchronous Sampling Considerations ......................................................................... 18

4.5 Analog Input Range/Coding Format ................................................................................ 19

4.6 Output Mode Control ........................................................................................................19

4.6.1 Pipelined Data Transmission .............................................................................. 19

4.6.2 Register Burst Transmission (RBT) .................................................................... 20

4.6.3 Synchronous Self-clocking (SSC) ....................................................................... 20

4.6.4 Free Run (FRN) .................................................................................................. 20

5. SYSTEM DESIGN USING THE CS5101A & CS5102A ......................................................... 22

5.1 System Initialization ......................................................................................................... 22

5.2 Single-channel Operation ................................................................................................ 23

6. ANALOG CIRCUIT CONNECTIONS ...................................................................................... 23

6.1 Reference Considerations ............................................................................................... 23

6.2 Analog Input Connection ................................................................................................. 24

6.3 Sleep Mode Operation ..................................................................................................... 24

6.4 Grounding & Power Supply Decoupling ........................................................................... 25

7. CS5101A & CS5102A PERFORMANCE ............................................................................... 26

7.1 Differential Nonlinearity .................................................................................................... 26

7.2 FFT Tests and Windowing ............................................................................................... 28

7.3 Sampling Distortion .......................................................................................................... 30

7.4 Noise ................................................................................................................................ 31

7.5 Aperture Jitter .................................................................................................................. 31

7.6 Power Supply Rejection ................................................................................................... 32

8. PIN DESCRIPTIONS .............................................................................................................. 33

8.1 Power Supply Connections .............................................................................................. 33

8.2 Oscillator .......................................................................................................................... 34

8.3 Digital Inputs .................................................................................................................... 34

8.4 Analog Inputs ................................................................................................................... 35

8.5 Digital Outputs ................................................................................................................. 35

8.6 Analog Outputs ................................................................................................................ 35

8.7 Miscellaneous .................................................................................................................. 35

9. PARAMETER DEFINITIONS .................................................................................................. 36

10. PACKAGE DIMENSIONS ..................................................................................................... 37

11. ORDERING INFORMATION ................................................................................................ 38

12. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION .......................... 38

13. REVISIONS .......................................................................................................................... 39