AK9750 Datasheet, PDF (9/49 Pages) Asahi Kasei Microsystems – IR Sensor IC with I2C I/F

[AK9750]
10. Electrical Characteristics
10.1. Analog Characteristics
(Unless otherwise specified, VDD= 1.71 ~ 3.63V, DVDD= 1.65V ~ VDD, Ta= -30 ~ 85ºC)
Parameter
Symbol Min.
Typ.
IR output resolution
16
IR offset code
IR output code
All output currents of four IR sensors
are Zero.
・Reference data only, not tested.
・Ttgt= 50ºC, Ta= 23ºC ±3ºC
・2’s complement
-36
0
2940H 2A1CH
Relative sensitivity
variations of four IR sensors
Ta= 23ºC ±3ºC
-3.5
Temperature output resolution
・Linear to internal temperature
Temperature sensor range （excludes noise）
・2’s complement
10
-10
B980H
Temperature sensor
accuracy (* 7)
Ta= 35ºC
-5.5
Field of View
The combined range observed by
Upper/Lower (Left/Right)
FOV
±48
±55
・Reference data only, not tested.
Power Down Mode
PDN= “L”
Stand-by Mode
PDN＝ “H”, EMODE [2:0] = “000”
SIDD
IDD0
Averaged current
consumption
Continuous Mode 0
PDN＝ “H”, EMODE [2:0] = “100”
Continuous Mode 1
PDN＝ “H”, EMODE [2:0] = “101”
IDD1
IDD2
Continuous Mode 2
PDN＝ “H”, EMODE [2:0] = “110”
IDD3
Continuous Mode 3
PDN＝ “H”, EMODE [2:0] = “111”
IDD4
Digital filter cut-off
frequency
Eight levels can be selected by
setting register.
Typ. Fc=8.8/2ⁿ（n=0 ~ 5）
Fc
0.2
Note:
* 7. Temperature sensor’s output is as the following
Ta= 35ºC, (Temperature sensor’s output)= (VDD-1.71) × 1.45+33.5±4.0 [ºC]
Max.
36
Unit
bit
Code
2AF8H Code
3.5
60
4380H
5.5
%
bit
ºC
Code
ºC
±66 deg(º)
1
µA
10
µA
100
µA
60
µA
38
µA
25
µA
9.7
Hz
015002896-E-01
-9-
2015/10