SNAD01B Datasheet, PDF (1/31 Pages) SONiX Technology Company – 8-CHANNEL 8-BIT ADC

SNAD01B
8-CHANNEL 8-BIT ADC
======== CONTENTS ========
1. GENERAL DESCRIPTION.......................................................................................................................................3
2. FEATURES....................................................................................................................................................................3
3. APPLICATIONS ..........................................................................................................................................................3
4. BLOCK DIAGRAM.....................................................................................................................................................4
5. PIN ASSIGNMENT......................................................................................................................................................4
6. FUNCTIONAL DESCRIPTIONS .............................................................................................................................5
INTERFACE FORMAT.............................................................................................................................................................5
CHANNEL SETTING...............................................................................................................................................................7
CONTROL REGISTER SETTING..............................................................................................................................................7
ADC READ TIMING..............................................................................................................................................................8
TIMING OF DIGITAL INPUT READING...................................................................................................................................9
POWER DOWN & CHANNEL WAKE-UP.............................................................................................................................10
BANDGAP REFERENCE........................................................................................................................................................11
INPUT CHANNEL PAD (CHANNEL 0~6) ............................................................................................................................12
BATTERY MONITORING (CHANNEL 7 ONLY) ....................................................................................................................13
7. ELECTRICAL CHARACTERISTICS ..................................................................................................................14
8. APPLICATION CIRCUITS .....................................................................................................................................15
EXAMPLE CIRCUIT: SNAD01B WORKS WITH SONIX 4-BIT SERIES CONTROLLER..........................................................15
9. EXAMPLE PROGRAMS:........................................................................................................................................16
PROGRAM 1: SET CONFIGURATION OF SNAD01B ..........................................................................................................27
PROGRAM 2: READ ADC RESULT FROM CHANNEL 1 ......................................................................................................27
PROGRAM 3: READ DIGITAL INPUT DATA FROM CH4, CH3, CH2 ..................................................................................28
PROGRAM 4: POWER-DOWN SNAD01B AND HOST, AND WAKE-UP ..............................................................................28
PROGRAM 5: BATTERY LOW DETECTION .........................................................................................................................29
10.
PAD DIAGRAM...................................................................................................................................30
Version: 1.3
1
July 31, 2003