CS5101A_06 Datasheet, PDF (2/39 Pages) Cirrus Logic – 16-bit, 100 kSps / 20 kSps A/D Converters

CS5101A CS5102A
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
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DS45F6