Specifications

DATA SHEET QF4A512
Rev D4, Dec 07 3 www.quickfiltertech.com
9. SYSTEM CLOCKS ........................................................................................................................................................... 23
9.1 PLL CLOCK .................................................................................................................................................................. 24
9.2 SYSTEM CLOCK ............................................................................................................................................................ 24
9.3 ADC CLOCK ................................................................................................................................................................. 24
9.4 EE CLOCK .................................................................................................................................................................... 24
10. SERIAL INTERFACE ..................................................................................................................................................... 24
10.1 MODES OF OPERATION ................................................................................................................................................ 24
10.2 CONFIGURE MODE ...................................................................................................................................................... 25
10.3 RUN MODE ................................................................................................................................................................. 27
10.4 SENDING COMMANDS IN RUN MODE ............................................................................................................................ 29
11. EEPROM ......................................................................................................................................................................... 31
11.1 OVERVIEW .................................................................................................................................................................. 31
11.2 EEPROM TRANSFER PROCEDURES ............................................................................................................................ 31
11.3 CALIBRATION DATA .................................................................................................................................................... 32
11.4 USER MEMORY ........................................................................................................................................................... 32
12. CONTROL REGISTERS ................................................................................................................................................. 33
12.1 OVERVIEW .................................................................................................................................................................. 33
12.2 HIGH-LEVEL REGISTERS .............................................................................................................................................. 34
12.3 EEPROM STARTUP REGISTERS.................................................................................................................................. 35
12.4 RUN AND STATUS REGISTERS ..................................................................................................................................... 37
12.5 GLOBAL CONFIGURATION REGISTERS .......................................................................................................................... 40
12.6 GLOBAL MAINTENANCE REGISTERS ............................................................................................................................. 43
12.7 CHANNEL-SPECIFIC REGISTERS ................................................................................................................................... 44
12.8 GLOBAL MAINTENANCE 2 REGISTERS .......................................................................................................................... 53
12.9 FIR COEFFICIENT AND RAM REGISTERS ...................................................................................................................... 54
12.10 REGISTER LISTING .................................................................................................................................................... 59
13. APPLICATION CIRCUITS .............................................................................................................................................. 61
13.1 AC COUPLED, SINGLE-ENDED ..................................................................................................................................... 61
13.2 DC COUPLED, SINGLE-ENDED ...................................................................................................................................... 62
13.3 AC COUPLED, DIFFERENTIAL ....................................................................................................................................... 63
13.4 DC COUPLED, DIFFERENTIAL ....................................................................................................................................... 64
14. PACKAGING INFORMATION ........................................................................................................................................ 65
LIST OF FIGURES ................................................................................................................................................................ 66
LIST OF TABLES .................................................................................................................................................................. 66