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| 型号： | TSL2569CS |
| 厂商： | AMS-TAOS USA Inc |
| 文件页数： | 3/37页 |
| 文件大小： | 785K |
| 描述： | IC LIGHT TO DGTL CONV 6CHIPSCALE |
| 标准包装： | 1 |
| 系列： | * |
| 其它名称： | TSL2569-CSDKR |
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TSL2568, TSL2569
LIGHT-TO-DIGITAL CONVERTER
TAOS091D DECEMBER 2008
2
r
r
Copyright E 2008, TAOS Inc.
The LUMENOLOGY r Company
www.taosinc.com
Functional Block Diagram
Two-Wire Serial Interface
Address Select
Interrupt
SDA
V
DD
= 2.7 V to 3.5 V
Channel 0
Visible and IR
Channel 1
IR Only
Command
Register
ADC
Register
INT
SCL
ADDR SEL
Integrating
A/D Converter
Detailed Description
The TSL2568 and TSL2569 are second-generation ambient light sensor devices. Each contains two integrating
analog-to-digital converters (ADC) that integrate currents from two photodiodes. Integration of both channels
occurs simultaneously. Upon completion of the conversion cycle, the conversion result is transferred to the
Channel 0 and Channel 1 data registers, respectively. The transfers are double-buffered to ensure that the
integrity of the data is maintained. After the transfer, the device automatically begins the next integration cycle.
Communication to the device is accomplished through a standard, two-wire SMBus or I
2
C serial bus.
Consequently, the TSL256x device can be easily connected to a microcontroller or embedded controller. No
external circuitry is required for signal conditioning, thereby saving PCB real estate as well. Since the output
of the TSL256x device is digital, the output is effectively immune to noise when compared to an analog signal.
The TSL256x devices also support an interrupt feature that simplifies and improves system efficiency by
eliminating the need to poll a sensor for a light intensity value. The primary purpose of the interrupt function is
to detect a meaningful change in light intensity. The concept of a meaningful change can be defined by the user
both in terms of light intensity and time, or persistence, of that change in intensity. The TSL256x devices have
the ability to define a threshold above and below the current light level. An interrupt is generated when the value
of a conversion exceeds either of these limits.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TSL2569T | 功能描述:光学数位转换器 Light to Digital Sensor RoHS:否 制造商:ams 数据总线宽度: 峰值波长:470 nm 最大工作频率: 工作电源电压: 工作电流: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:Chipscale-6 封装:Reel |
| TSL256Y WAF | 制造商:Texas Instruments 功能描述: |
| TSL257 | 制造商:TAOS 制造商全称:TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS 功能描述:HIGH-SENSITIVITY LIGHT-TO-VOLTAGE CONVERTER |
| TSL2571 | 制造商:TAOS 制造商全称:TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS 功能描述:LIGHT-TO-DIGITAL CONVERTER |
| TSL2571 EVM | 功能描述:光学传感器开发工具 Evaluation Module TSL2571x RoHS:否 制造商:ams 工具用于评估: 接口类型: 最大工作温度: |
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