参数资料
型号: SI1142-A11-GMR
厂商: Silicon Laboratories Inc
文件页数: 8/78页
文件大小: 0K
描述: AMBIENT LIGHT SENSOR
标准包装: 1
带接近传感器:
波长: 950nm
电源电压: 1.71 V ~ 3.6 V
输出类型: 数字 - I²C
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFQFN
包装: 标准包装
其它名称: 336-2200-6
Si1141/42/43
Table 2. Performance Characteristics 1 (Continued)
Parameter
Large Infrared Photodi-
Symbol
Condition
All gain settings
Min
Typ
10
Max
Unit
ADC
ode Noise
counts
RMS
Visible Photodiode Offset
Drift
VIS_RANGE=0
ALS_VIS_ADC_GAIN=0
ALS_VIS_ADC_GAIN=1
–0.3
–0.11
ADC
counts/
°C
ALS_VIS_ADC_GAIN=2
ALS_VIS_ADC_GAIN=3
ALS_VIS_ADC_GAIN=4
ALS_VIS_ADC_GAIN=5
ALS_VIS_ADC_GAIN=6
ALS_VIS_ADC_GAIN=7
–0.06
–0.03
–0.01
–0.008
–0.007
–0.008
Small Infrared Photodiode
Offset Drift
IR_RANGE=0
IR_GAIN=0
IR_GAIN=1
–0.3
–0.06
ADC
counts/
°C
IR_GAIN=2
IR_GAIN=3
–0.03
–0.01
SCL, SDA, INT Output
Low Voltage
V OL
I = 4 mA, V DD > 2.0 V
I = 4 mA, V DD < 2.0 V
V DD x0.
2
V
V
0.4
Temperature Sensor Off-
25 °C
11136
ADC
set
counts
Temperature Sensor Gain
35
ADC
counts/
°C
Notes:
1. Unless specifically stated in "Conditions", electrical data assumes ambient light levels < 1 klx.
2. Proximity-detection performance may be degraded, especially when there is high optical crosstalk, if the LED supply
and voltage drop allow the driver to saturate and current regulation is lost.
3. Guaranteed by design and characterization.
4. Represents the time during which the device is drawing a current equal to I active for power estimation purposes.
Assumes default settings.
8
Rev. 1.3
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