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參數(shù)資料
| 型號： | TLC2543-EVM |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | TLC2543 Evaluation Module(TLC2543評估板) |
| 中文描述： | 器TLC2543評估模塊（器TLC2543評估板） |
| 文件頁數(shù)： | 18/52頁 |
| 文件大?。?/td> | 231K |
| 代理商： | TLC2543-EVM |
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Setup and Operation
2-4
2.1.1
Power Supply Terminals
The power supply terminals (J2) on the EVM, see Figure 2–1, should be con-
nected to a regulated 4.75-V to 5.25-V power supply capable of providing at
least 0.5 A.
This evaluation module is designed to have power supplied from
an external regulated 5-V power supply. No form of power supply
regulation is included on the EVM. Damage to the components can
and probably will occur if the voltage exceeds the maximum
specified level. Under voltage can cause improper operation.
When the power supply is switched on, the microcontroller is initialized and the
displays flash to indicate proper operation. The displays then show the 2- or
3- digit hex value of the voltage generated by the TSL250 optical sensor. The
value on the displays varies with the intensity of the light striking the TSL250
sensor (see section 2.3.1, Optical Sensor).
2.1.2
Input/Output Select Switches
The INPUT SELECT switch (S1) sets the binary address (LSB on the right)
which selects the desired TLC2543 input (see subsection 2.1.3, Input Select
Switch).
The EVM is shipped with the settings listed in Table 2–1:
Table 2–1.EVM Default Settings
Function
Setting
Input select switch (S1)
0000 hex (optical sensor selected)
Reference select jumper (JP9)
REF V
Input jumpers
(JP1, JP2, JP3, JP11, JP12)
Ground
Output jumpers
(JP4, JP5, JP6, JP7, JP8)
REF– jumper (JP10)
Shorted
Shorted
Note:
The input and output jumpers and the REF– jumper on the EVM are formed
by a top-side copper trace on the PCB between two plated through-holes.
If desired, the trace can be carefully cut to remove the jumper. The two-
through-holes allow the user to restore the jumper with a wire or connector.
2.1.3
Input Select Switch
The four-position DIP switch (S1) labeled INPUT SELECT allows the user to
select the desired analog input of the TLC2543 ADC. The software program
then uses the onboard SPI interface to communicate with the TLC2543 and
make the hexadecimal conversions.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| TLC2543IDB | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 66kSPS Ser Out Prog MSB/LSB First RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TLC2543IDBG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 66kSPS Ser Out Prog MSB/LSB First RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TLC2543IDBR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 66kSPS Ser Out Prog MSB/LSB First RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TLC2543IDBRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12Bit 66kSPS Ser Out Prog MSB/LSB First RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TLC2543IDBRG4Q1 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12B 66kSPS ADC Ser. Out RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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