參數(shù)資料
型號(hào)： TSC2003I
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 3-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16
封裝： PLASTIC, TSSOP-16
文件頁(yè)數(shù)： 2/20頁(yè)
文件大?。?/td> 309K
代理商： TSC2003I
TSC2003
10
SBAS162A
www.ti.com
INTERNAL REFERENCE
The TSC2003 has an internal 2.5V voltage reference that
can be turned ON or OFF with the power-down control bits,
PD0 and PD1 (see Table II and Figure 3). The internal
reference is powered down when power is first applied to the
device.
The internal reference voltage is only used in the
single-ended reference mode for battery monitoring, tem-
perature measurement, and for measuring the auxiliary in-
put. Optimal touch screen performance is achieved when
using a ratiometric conversion, thus all touch screen mea-
surements are done automatically in the differential mode.
Buffer
Band
Gap
Reference
Power Down
To
CDAC
Optional
V
REF
FIGURE 3. Simplified Diagram of the Internal Reference.
FIGURE 2. Simplified Diagram of the Analog Input.
Converter
–REF
+REF
+IN
–IN
V
BAT1
IN1
Battery
On
IN2
GND
C2-C0
(Shown 101
B)
2.5V
Reference
Ref ON/OFF
C3
(Shown HIGH)
X+
X–
+V
DD
TEMP1
PENIRQ
Y+
Y–
V
REF
TEMP0
7.5k
V
BAT2
7.5k
2.5k
Battery
On
2.5k
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TSC2003IPW 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4-wire Touch Screen Controller RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
TSC2003IPWG4 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4-wire Touch Screen Controller RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
TSC2003IPWR 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4-wire Touch Screen Controller RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
TSC2003IPWR 制造商:Texas Instruments 功能描述:Controller IC
TSC2003IPWRG4 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4-wire Touch Screen Controller RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
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