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参数资料
| 型号： | ISL29029IROZ-T7 |
| 厂商： | Intersil |
| 文件页数： | 8/16页 |
| 文件大小： | 0K |
| 描述： | IC SENSOR LIGHT-PROXIMITY 8ODFN |
| 标准包装： | 3,000 |
| 带接近传感器： | 是 |
| 波长： | 530nm |
| 电源电压： | * |
| 输出类型： | I²C? |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
ISL29029
TABLE 10. REGISTER 0x08 (PROX_DATA) - PROXIMITY SENSOR DATA
BIT #
7:0
ACCESS
RO
DEFAULT
0x00
BIT NAME
PROX_DATA
(Proximity Data)
FUNCTION/OPERATION
Results of 8-bit proximity sensor ADC conversion
TABLE 11. REGISTER 0x09 (ALSIR_DT1) - ALS/IR SENSOR DATA (LOWER 8 BITS)
BIT #
7:0
ACCESS
RO
DEFAULT
0x00
BIT NAME
ALSIR_DATA
(ALS/IR Data)
FUNCTION/OPERATION
Lower 8 bits (of 12 bits) from result of ALS/IR sensor conversion
TABLE 12. REGISTER 0x0A (ALSIR_DT2) - ALS/IR SENSOR DATA (UPPER 4 BITS)
BIT #
7:4
3:0
ACCESS
RO
RO
DEFAULT
0x00
0x00
BIT NAME
( Unused )
ALSIR_DATA
(ALS/IR Data)
FUNCTION/OPERATION
Unused bits
Upper 4 bits (of 12 bits) from result of ALS/IR sensor conversion
TABLE 13. REGISTER 0x0E (TEST1) - TEST MODE
BIT #
7:0
ACCESS
RW
DEFAULT
0x00
BIT NAME
(Write as 0x00)
FUNCTION/OPERATION
Test mode register. When 0x00, in normal operation
TABLE 14. REGISTER 0x0F (TEST2) - TEST MODE 2
BIT #
7:0
ACCESS
RW
DEFAULT
0x00
BIT NAME
(Write as 0x00)
FUNCTION/OPERATION
Test mode register. When 0x00, in normal operation
I 2 C DATA
START
DEVICE ADDRESS
W A
REGISTER ADDRESS
STOP START
DEVICE ADDRESS
A
DATA BYTE0
I 2 C SDA
MASTER
A6 A5 A4 A3 A2 A1 A0 W A R7 R6 R5 R4 R3 R2 R1 R0 A
A6 A5 A4 A3 A2 A1 A0 W
A
SDA DRIVEN BY ISL29029
I 2 C SDA
SLAVE (ISL29029)
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A
SDA DRIVEN BY MASTER
A D7 D6 D5 D4 D3 D2 D1 D0
I 2 C CLK
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
FIGURE 2. I 2 C DRIVER TIMING DIAGRAM FOR MASTER AND SLAVE CONNECTED TO COMMON BUS
Principles of Operation
I 2 C Interface
The ISL29029’s I 2 C interface slave address is internally hardwired
as 0b100010<x>, where “0b” signifies binary notation and x
represents the logic level on pin ADDR0.
Figure 2 shows a sample one-byte read. The I 2 C bus master
always drives the SCL (clock) line, while either the master or the
slave can drive the SDA (data) line. Every I 2 C transaction begins
with the master asserting a start condition (SDA falling while SCL
remains high). The first transmitted byte is initiated by the
master and includes 7 address bits and a R/W bit. The slave is
responsible for pulling SDA low during the ACK bit after every
transmitted byte.
Each I 2 C transaction ends with the master asserting a stop
condition (SDA rising while SCL remains high).
8
For more information about the I 2 C standard, please consult the
Philips? I 2 C specification documents.
Photodiodes and ADCs
The ISL29029 contains two photodiode arrays which convert
photons (light) into current. The ALS photodiodes are constructed to
mimic the human eye’s wavelength response curve to visible light
(see Figure 6). The ALS photodiodes’ current output is digitized by a
12-bit ADC in 100ms. These 12 bits can be accessed by reading
from I 2 C registers 0x9 and 0xA when the ADC conversion is
completed.
The ALS converter is a charge-balancing integrating 12-bit ADC.
Charge-balancing is best for converting small current signals in the
presence of periodic AC noise. Integrating over 100ms highly rejects
both 50Hz and 60Hz light flicker by picking the lowest integer
number of cycles for both 50Hz/60Hz frequencies.
FN7682.0
November 23, 2010
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| ISL29030AIROZ-EVALZ | 功能描述:BOARD EVAL FOR ISL29030A RoHS:是 类别:编程器，开发系统 >> 评估板 - 传感器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- |
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| ISL29030IROZ-T7 | 制造商:Intersil Corporation 功能描述:ISL29030IROZ PBFREE AUTONOMOUS LOW POWER ALS + PROXIMITY SEN - Tape and Reel 制造商:Intersil Corporation 功能描述:ISL29030IROZ PbFree Autonomous Low Power ALS + Proximity sen T/R |
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