參數(shù)資料
型號(hào)： TLC2552EVM
廠商： Texas Instruments
文件頁(yè)數(shù)： 23/28頁(yè)
文件大?。?/td> 0K
描述： EVAL MOD FOR TLC2552
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： TLC2552
已供物品： 板
相關(guān)產(chǎn)品： TLC2552IDGKG4-ND - IC ADC 12BIT DUAL LOW-PWR 8-MSOP
TLC2552IDG4-ND - IC ADC 12BIT DUAL LOW-PWR 8-SOIC
TLC2552CDGKG4-ND - IC ADC 12BIT DUAL LOW-PWR 8-MSOP
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296-2912-5-ND - IC 12BIT 400 KSPS A/D S/O 8-MSOP
296-2911-5-ND - IC 12BIT 400 KSPS ADC S/O 8-SOIC
其它名稱： 296-20572
TLC2552EVM-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
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description (continued)
GND/AIN(–)
ADC Code
AIN
Charge
Redistribution
DAC
Control
Logic
_
+
Figure 1. Simplified SAR Circuit
serial interface
OUTPUT DATA FORMAT
MSB
LSB
D15–D4
D3–D0
Conversion result (OD11–OD0)
Don’t care
The output data format is binary (unipolar straight binary).
binary
Zero-scale code = 000h, Vcode = GND
Full-scale code = FFFh, Vcode = VREF – 1 LSB
pseudo-differential inputs
The TLC2555 operates in pseudo-differential mode. The inverted input is available on pin 5. It can have a
maximum input ripple of
±0.2 V. This is normally used for ground noise rejection.
control and timing
start of the cycle
Each cycle may be started by either CS, FS, or a combination of both. The internal state machine requires one
SCLK high-to-low transition to determine the state of these control signals so internal blocks can be powered
up in an active cycle. Special care to SPI mode is necessary. Make sure there is at least one SCLK whenever
CS (pin 1) is high to assure proper operation.
TLC2551
D Control via CS ( FS = 1 at the falling edge of CS)—The falling edge of CS is the start of the cycle. The MSB
may be read on the first falling SCLK edge after CS is low. Output data changes on the rising edge of SCLK.
This is typically used for a microcontroller with an SPI interface, although it can also be used for a DSP. The
microcontroller SPI interface may be programmed for CPOL = 0 (serial clock referenced to ground) and
CPHA = 1 (data is valid on the falling edge of serial clock). At least one falling edge transition on SCLK is
needed whenever CS is brought high.
D Control via FS—The MSB is presented after the rising edge of FS. The falling edge of FS starts the cycle.
The MSB may be read on the first falling edge of SCLK after FS is low. This is the typical configuration when
the ADC is the only device on the DSP serial port.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLC2552ID 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
TLC2552IDG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 400 kSPS Dual Ch Auto Sweep 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
TLC2552IDGK 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 400 kSPS Dual Ch Auto Sweep 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
TLC2552IDGKG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 400 kSPS Dual Ch Auto Sweep 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
TLC2552IDGKR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 400 kSPS Dual Ch Auto Sweep 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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