QST108CB1 datasheet(50/51 Pages) STMICROELECTRONICS

部件名	QST108CB1

功能描述	Capacitive touch sensor device 8 keys with individual key state outputs or I2C interface

PDF	51 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

50 / 51 page

Revision history

QST108

50/51

11-Jul-2008

Changed datasheet status to Not for new design.

Updated Figure 2: QTouch™ measuring circuitry to add RS sense

resistor.*

Updated Section 3.5: Detection integrator filter on page 9 and added

Figure 3: Detection signals on page 10.

Added Figure 4: Drift compensation example on page 12.

GET_KEY_ERROR and GET_KEY_STATE read values updated in

Table 10: Supported commands on page 21 and updated note 3.

Updated bit values for Key activation description on page 25.

Added Section 6.3: EMC characteristics on page 32.

Updated Table 30: Capacitive sensing parameters on page 35.

Added Figure 24: 32-pin LQFP32 (7x7 mm) recommended footprint

on page 44.

Added Section 7.1: Soldering information on page 45.

Added Section 9.2.2: Revision 2.3 on page 48.

Table 40.

Document revision history (continued)

Date

Revision

Changes

QST108CB1 数据表(PDF) 50 Page - STMicroelectronics