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參數資料
| 型號： | TSC2300IPAGRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | GREEN, PLASTIC, TQFP-64 |
| 文件頁數： | 44/83頁 |
| 文件大小： | 1268K |
| 代理商： | TSC2300IPAGRG4 |
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Temperature Input 2
Start Clock
Turn off clock
Convert Temperature
Input 2
Store Temperature
Input 2 in TEMP2
Register
Power up ADC
Power Down
Reference
Is Data
Avereraging
Done
N
Y
Power Down ADC
DONE
Host Writes A/D
Converter Control
Register
Power Up Reference
(Including Delay)
Set /DAV = 0
TSC2300
SLAS372 — NOVEMBER 2002
Figure 63. Additional Temperature Measurement for Differential Temperature Reading
OPERATION - BATTERY MEASUREMENT
An added feature of the TSC2300 is the ability to monitor the battery voltage which may be much larger than the
supply voltage of the TSC2300. An example of this is shown in Figure 64, where a battery voltage ranging up to 6V
may be regulated by a dc/dc converter or low-dropout regulator to provide a lower supply voltage to the TSC2300. The
battery voltage can vary from 0.5 V to 6 V while maintaining the voltage to the TSC2300 at a level of 2.7 V-3.6 V. The
input voltage on VBAT1 is divided down by 4 so that a 6.0V battery voltage is represented as 1.5 V to the A/D, while the
input voltage on VBAT2 is divided by 2 so that 3.0-V battery voltage is represented as 1.5 V to the A/D. If the battery
voltage is low enough, the 1.2 V internal reference can be used to decrease LSB size, potentially improving accuracy.
The battery voltage on VBAT1 must be below 4* VREF, and the voltage on VBAT2 must be below 2* VREF. Due to
constraints of the internal switches, the input to the A/D after the voltage divider cannot be above 1.5 V or VREF,
whichever is lower. In order to minimize the power consumption, the divider is only ON during the sampling of the
battery input.
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相關代理商/技術參數 |
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| 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 數據速率: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 數據速率: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 |
| TSC2301IPAG | 功能描述:觸摸屏轉換器和控制器 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 數據速率: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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