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参数资料
| 型号： | TSL26713FN |
| 厂商： | AMS-TAOS USA Inc |
| 文件页数： | 2/27页 |
| 文件大小： | 0K |
| 描述： | IC PROXIMITY DETECTOR 6-DFN |
| 标准包装： | 1 |
| 检测距离： | 18'（45.72cm） |
| 传感器类型： | 红外线 |
| 物体感测： | 非金属 |
| 响应频率： | 400kHz |
| 主体材料： | * |
| 电源电压： | 2.6 V ~ 3.6 V |
| 端子类型： | 2 线 |
| 封装/外壳： | * |
| 其它名称： | TSL26713-FNDKR |
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Features
D Proximity Detection with an Integrated LED
Driver in a Single Device
TSL2671
DIGITAL PROXIMITY DETECTOR
TAOS118 ? JANUARY 2011
PACKAGE FN
DUAL FLAT NO-LEAD
(TOP VIEW)
D Proximity Detection
? Programmable Number of IR Pulses
? Programmable Current Sink for the IR
LED — No Limiting Resistor Needed
V DD 1
SCL 2
GND 3
6 SDA
5 INT
4 LDR
? Programmable Interrupt Function with
Upper and Lower Threshold
? Covers a 2000:1 Dynamic Range
Package Image Not Actual Size
D
Programmable Wait Timer
D
D
D
? Programmable from 2.72 ms
to > 8 Seconds
? Wait State — 65 m A Typical Current
I 2 C Interface Compatible
? Up to 400 kHz (I 2 C Fast Mode)
? Dedicated Interrupt Pin
Small 2 mm y 2 mm ODFN Package
Sleep Mode — 2.5 m A Typical Current
D
D
D
D
Applications
Cell Phone Touch Screen Disable
Notebook/Monitor Security
Automatic Speakerphone Enable
Automatic Menu Popup
Description
The TSL2671 family of devices provides a complete proximity detection system and digital interface logic in a
single 6-pin package. The device includes a digital proximity sensor with integrated LED driver for the required
external IR LED. The proximity function offers a wide range of performance, with four programmable LED drive
currents and a pulse repetition range of 1 to 32 pulses. The proximity detection circuitry compensates for
ambient light, allowing it to operate in environments ranging from bright sunlight to dark rooms. This wide
dynamic range also allows operation in short-distance detection applications behind dark glass, such as cell
phones. An internal state machine provides the ability to put the device into a low-power mode for very low
average power consumption.
The proximity function specifically targets near-field proximity applications. In cell phones, for example, the
proximity detection function can detect when the user positions the phone close to their ear. The device is fast
enough to provide proximity information at the high repetition rate needed when answering a phone call. This
provides both improved green power saving capability and the added security to lock the screen when the user
may accidently deploy a touch.
Communication with the device is accomplished through a simple two-wire I 2 C interface with data rates up to
400 kHz. An interrupt output pin is provided for connection to the host processor. This interrupt pin can be used
to eliminate the need to poll the device on a repetitive basis. There is also a digital filter that compares the
proximity ADC results to programmed values so that an interrupt is generated only upon a proximity event.
The TSL2671 is supplied in a very small form factor 2-mm × 2-mm, 6-pin optical package, requiring very little
PCB area. Also, the package height is only 0.65 mm high, which makes the TSL2671 suitable for very thin
mechanical applications.
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1001 Klein Road S Suite 300 S Plano, TX 75074 S (972) 673-0759
The LUMENOLOGY r Company
Texas Advanced Optoelectronic Solutions Inc.
r
www.taosinc.com
Copyright E 2011, TAOS Inc.
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