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參數(shù)資料
| 型號： | TSC2300IPAGR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | GREEN, PLASTIC, TQFP-64 |
| 文件頁數(shù)： | 11/81頁 |
| 文件大小： | 1039K |
| 代理商： | TSC2300IPAGR |
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PENIRQ
+VCC
VREF
TEMP1
TEMP0
Ref ON/OFF
1.25/2.5 V
Reference
+IN
–IN
+REF
–REF
Converter
2.5 k
5.0 k
5.0 k
7.5 k
Battery
on
Battery
on
GND
IN2
IN1
VBAT2
VBAT1
Y–
Y+
X–
X+
0V
FS = Full–Scale Voltage = VREF(1)
1 LSB = VREF(1)/4096
FS – 1 LSB
11...111
11...110
11...101
00...010
00...001
00...000
1 LSB
NOTES: (1) Reference voltage at converter: +REF–(–REF). See Figure 4.
(2) Input voltage at converter, after multiplexer: +IN–(–IN). See Figure 4
Input Voltage(2) (A)
Output
Code
TSC2300
SLAS372 — NOVEMBER 2002
Figure 47. Simplified Diagram of the Touch Screen Analog Input Section
Data Format
The TSC2300 output data is in straight binary format as shown in Figure 48. This figure shows the ideal output code
for the given input voltage and does not include the effects of offset, gain, or noise.
Figure 48. Ideal Input Voltages and Output Codes.
Reference
The TSC2300 has an internal voltage reference that can be set to 1.2 V or 2.5 V, through the reference control
register. This reference can also be set to automatically power down between conversions to save power, or remain on
to reduce settling time.
The internal reference voltage is only 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 differential mode.
An external reference can also be applied to the VREFIN pin, and the internal reference can be turned off.
19
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| TSC2300IPAGRG4 | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 20-Bit 48-Ksps I2S Audio Codec 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 |
| TSC2301 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| TSC2301EVM | 功能描述:觸摸傳感器開發(fā)工具 TSC2301 Eval Mod RoHS:否 制造商:Cypress Semiconductor 工具用于評估: 接口類型: 工作電壓: 最大工作溫度: |
| TSC2301IGQZ | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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 |
| TSC2301IGQZR | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec 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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