參數(shù)資料
型號(hào)： TLC2551EVM
廠商： Texas Instruments
文件頁數(shù)： 24/28頁
文件大?。?/td> 0K
描述： EVAL MOD FOR TLC2551
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 1
位數(shù)： 12
采樣率（每秒）： 400k
數(shù)據(jù)接口： 串行
工作溫度： 0°C ~ 70°C
已用 IC / 零件： TLC2551
已供物品： 板
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296-2910-5-ND - IC 12BIT 400 KSPS A/D S/O 8-MSOP
296-2909-5-ND - IC 12BIT 400 KSPS ADC S/O 8-SOIC
其它名稱： 296-20571
TLC2551EVM-ND
TLC2551, TLC2552, TLC2555
5-V, LOW-POWER, 12-BIT, 175/360 KSPS,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN
SLAS276D – MARCH 2000 – REVISED MAY 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
control and timing (continued)
D Control via both CS and FS—The MSB is presented after the falling edge of CS. The falling edge of FS starts
the sampling cycle. The MSB may be read on the first falling SCLK edge after FS is low. Output data changes
on the rising edge of SCLK. This control via CS and FS is typically used for multiple devices connected to
a TMS320 DSP.
TLC2552 and TLC2555
All control is provided using CS (pin 1) on the TLC2552 and TLC2555. The cycle starts on the falling edge
transition provided by either a CS signal from an SPI microcontroller or FS signal from a TMS320 DSP. Timing
is similar to the TLC2551, with control via CS only.
TLC2552 channel MUX reset cycle
The TLC2552 uses CS to reset the analog input multiplexer (MUX). A short active CS cycle (4 to 7 SCLKs) resets
the MUX to AIN0. When the CS cycle time is greater than 7 SCLKs in duration, as is the case for a complete
conversion cycle, (CS is low for 16 SCLKs plus maximum conversion time), the MUX toggles to the next channel
(see Figure 4 for timing).
sampling
The converter sample time is 12 SCLKs in duration, beginning on the fifth SCLK received after the converter
has received a high-to-low CS transition (or a high-to-low FS transition for the TLC2551).
conversion
The TLC2551, TLC2552, and TLC2555 completes conversion in the following manner. The conversion starts
after the 16th SCLK falling edge during the cycle and requires 28 SCLKs to complete. Enough time for
conversion should be allowed before a rising CS or FS edge so that no conversion is terminated prematurely.
TLC2552 input channel selection is toggled on each rising CS edge. The MUX channel can be reset to AIN0
via CS as described earlier and in Figure 4. The input is sampled for 12 SCLKs and converted. The result is
presented on SDO during the next cycle. Care should also be taken to allow enough time between samples to
avoid prematurely terminating the cycle, which occurs on a rising CS transition if the conversion is not complete.
The SDO data presented during a cycle is the result of the conversion of the sample taken during the previous
cycle.
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參數(shù)描述
TLC2551ID 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12bit SAR ADC 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
TLC2551IDG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12B 400 kSPS ADC SNGL Ch 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
TLC2551IDGK 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 400 kSPS Serial 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
TLC2551IDGKG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 400 kSPS Serial 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
TLC2551IDGKR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 400 kSPS Serial 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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