AK9753 Datasheet, PDF (2/50 Pages) Asahi Kasei Microsystems – IR Sensor IC with I2C I/F

[AK9753]
3. Table of Contents
1. General Description ............................................................................................................................ 1
2. Features .............................................................................................................................................. 1
3. Table of Contents ................................................................................................................................ 2
4. Block Diagram and Functions ............................................................................................................. 4
4.1. Block Diagram .......................................................................................................................... 4
4.2. Block Functions ........................................................................................................................ 4
5. Pin Configurations and Functions ....................................................................................................... 5
5.1. Pin Configurations .................................................................................................................... 5
5.2. Pin Functions............................................................................................................................ 5
6. IR Sensors Configuration / Observable Area...................................................................................... 6
6.1. IR Sensor’s Configurations ...................................................................................................... 6
7. Absolute Maximum Ratings ................................................................................................................ 7
8. Recommended Operating Conditions................................................................................................. 7
9. Power Supply Conditions .................................................................................................................... 8
10. Electrical Characteristics・Optical Charateristics........................................................................... 9
10.1. Analog Characteristics ............................................................................................................. 9
10.2. Digital Characteristics ............................................................................................................ 10
10.2.1. EEPROM......................................................................................................................... 10
10.2.2. DC Characteristics .......................................................................................................... 10
10.2.3. AC Characteristics (1): Standard Mode (100 kHz) ..........................................................11
10.2.4. AC Characteristics (2): Fast Mode (400 kHz)..................................................................11
11. Functional Descriptions ................................................................................................................. 13
11.1 Power Supply States.............................................................................................................. 13
11.2 Reset functions ...................................................................................................................... 13
11.3 Operating Mode ..................................................................................................................... 14
11.3.1. Normal Mode/Switch Mode ................................................................................................ 14
11.3.2. Normal Mode ...................................................................................................................... 15
11.3.3. Switch Mode ....................................................................................................................... 16
11.4 Descriptions for each Operating Mode .................................................................................. 17
11.4.1. Power down Mode (PDN pin= “L”) ..................................................................................... 17
11.4.2. Stand-by Mode (EMODE [2:0] = “000”).............................................................................. 17
11.4.3. EEPROM Access Mode (EMODE [2:0] = “001” and EEPMODE= “1”) .............................. 17
11.4.4. Single Shot Mode (EMODE [2:0] = “010”).......................................................................... 17
11.4.5. Continuous Mode 0 (EMODE [2:0] = “100”)....................................................................... 18
11.4.6. Continuous Mode 1,2,3 (EMODE [2:0] = “101”, “110”, “111”) ............................................ 18
11.5 Read Measurement Data ....................................................................................................... 19
11.5.1. Normal Read-out Procedure .............................................................................................. 19
11.5.2. Read-out Data within a measurement Period .................................................................... 20
11.5.3. Skipping Data ..................................................................................................................... 20
11.5.4. End Operation .................................................................................................................... 21
11.5.5. Example of Read-out Procedure ........................................................................................ 21
12. Serial Interface .............................................................................................................................. 23
12.1. Data Transfer.......................................................................................................................... 23
12.1.1. Changing state of the SDA line....................................................................................... 23
12.1.2. Start / Stop Conditions .................................................................................................... 23
12.1.3. Acknowledge................................................................................................................... 24
12.1.4. Slave Address ................................................................................................................. 25
12.1.5. WRITE Command........................................................................................................... 26
12.1.6. READ Command ............................................................................................................ 27
12.1.7. EEPROM Write Timing ................................................................................................... 28
13. Memory Map.................................................................................................................................. 29
14. Registers Functional Descriptions................................................................................................. 31
15. EEPROM Functional Descriptions ................................................................................................ 40
16. First data Determination Time ....................................................................................................... 41
017005237-E-00
-2-
2017/04