SNAD01C Datasheet, PDF (1/27 Pages) SONiX Technology Company – 8-CHANNEL 8-BIT ADC

SNAD01C
8-CHANNEL 8-BIT ADC
======== CONTENTS ========
1. GENERAL DESCRIPTION ..........................................................................................................................3
2. FEATURES ...................................................................................................................................................3
3. APPLICATIONS............................................................................................................................................3
4. BLOCK DIAGRAM .......................................................................................................................................4
5. PIN ASSIGNMENTS.....................................................................................................................................4
6. Functional Descriptions .............................................................................................................................5
6.1. Interface Format...................................................................................................................................5
6.2. Channel Setting ...................................................................................................................................7
6.3. Control Register Setting ......................................................................................................................7
6.4. ADC Read Timing................................................................................................................................8
6.5. Timing of Digital Input Reading...........................................................................................................9
6.6. Power Down & Channel Wake-Up ...................................................................................................10
6.7. Bandgap reference............................................................................................................................11
6.8. Input Channel PAD (Channel 0~6)...................................................................................................12
6.9. Battery Monitoring (Channel 7 only) .................................................................................................13
7. ELECTRICAL CHARACTERISTICS ........................................................................................................14
8. APPLICATION CIRCUITS .........................................................................................................................15
9. EXAMPLE PROGRAMS............................................................................................................................16
9.1. Program 1: Set Configuration of SNAD01C....................................................................................23
9.2. Program 2: Read ADC result from Channel 1 ................................................................................23
9.3. Program 3: Read Digital Input data from Ch4, Ch3, CH2 ..............................................................23
9.4. Program 4: Power-down SNAD01C and Host, and Wake-up ........................................................23
9.5. Program 5: Battery Low Detection....................................................................................................24
10. PAD DIAGRAM ..........................................................................................................................................26
Version: 1.5
1
July 31, 2003