TMD26721 datasheet(3/44 Pages) OSRAM

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[v1-00] 2015-Mar-23

TMD2672 − General Description

Key Benefits & Features

The benefits and features of the TMD2672 digital proximity

detector, are listed below:

Figure 1:

Added Value of Using TMD2672

Note(s) and/or Footnote(s):

1. New or improved feature

Applications

• Mobile Handset Touchscreen Control and Automatic

Speakerphone Enable

• Mechanical Switch Replacement

•Paper Alignment

Benefits

Features

• Eliminates need for customer

end-product calibration.

• Reduces the proximity noise

• Control of system crosstalk and offset

• Prevents false proximity detection in

bright light

• Selectable IR power-level without

external resistor

• Enables wide operating range

• Digital Proximity Detector, LED Driver, and IR LED in a

Single Optical Module

• Register Set- and Pin-Compatible with the TMD2671

Series

• Proximity Detection

- Reduced Proximity Count Variation (1)

- Programmable Offset Control Register (1)

-Saturation Indicator (1)

- Programmable Integration Time and Offset

- Current Sink Driver for IR LED

- 16,000:1 Dynamic Range

• Reduces external processor burden

• Maskable Proximity Interrupt

- Programmable Upper and Lower Thresholds with

Persistence Filter

• Enables dynamic power dissipation

control

• Power Management

- Low Power 2.2μA Sleep State with User-Selectable

Sleep-After-Interrupt Mode (1)

- 90μA Wait State with Programmable Wait Time from

2.7ms to > 8 seconds

• Industry standard two-wire interface

• I²C Fast Mode Compatible Interface

- Data Rates up to 400kbit/s

- Input Voltage Levels Compatible with VDD or 1.8V Bus

• Small foot-print module

• 3.94mm × 2.36mm × 1.35mm Package

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