參數(shù)資料
型號: TSC2111IRGZT
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 0.4 W, 1 CHANNEL, AUDIO AMPLIFIER, QCC48
封裝: PLASTIC, QFN-48
文件頁數(shù): 32/99頁
文件大?。?/td> 1143K
代理商: TSC2111IRGZT
TSC2111
SLAS495A JUNE 2006 REVISED OCTOBER 2007
www.ti.com
38
VREF
IN+
IN
REFP
REFM
CONVERTER
AVSS1
AUX2
AUX1
VBAT
Y
Y+
X
X+
PINTDAV
AVDD1
VREF
Figure 27. Simplified Diagram of the Analog Input Section
Data Format
The TSC2111 output data is in unsigned Binary format and can be read from registers over the SPI interface.
Reference
The TSC2111 has an internal voltage reference that can be set to 1.25 V or 2.5 V, through the reference control
register.
The internal reference voltage should only be used in the single-ended mode for battery monitoring,
temperature measurement, and for utilizing the auxiliary inputs. Optimal touch-screen performance is achieved
when using a ratiometric conversion, thus all touch-screen measurements are done automatically in the
ratiometric mode.
An external reference can also be applied to the VREF pin, and the internal reference can be turned off.
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