- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄98239 > TLC3544IDWG4 (TEXAS INSTRUMENTS INC) 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 PDF資料下載
參數(shù)資料
| 型號： | TLC3544IDWG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | GREEN, PLASTIC, SOIC-20 |
| 文件頁數(shù)： | 6/44頁 |
| 文件大小： | 1000K |
| 代理商： | TLC3544IDWG4 |
第1頁第2頁第3頁第4頁第5頁當前第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁
TLC3544, TLC3548
5-V ANALOG, 3-/5-V DIGITAL, 14-BIT, 200-KSPS, 4-/8-CHANNELS SERIAL
ANALOG-TO-DIGITAL CONVERTERS WITH 0-5 V (PSEUDODIFFERENTIAL) INPUTS
SLAS266C – OCTOBER 2000 – REVISED MAY 2003
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description (continued)
Charge
Redistribution
DAC
Control
Logic
_
+
REFM
Ain
ADC Code
Figure 5. Simplified Block Diagram of the Successive-Approximation System
analog input range and internal test voltages
TLC3548 has eight analog inputs (TLC3544 has four) and three test voltages. The inputs are selected by the
analog multiplexer according to the command entered (see Table 1). The input multiplexer is a break-
before-make type to reduce input-to-input noise injection resulting from channel switching.
The TLC3544 and TLC3548 are specified for a unipolar input range of 0-V to 4-V when the internal reference
is selected, and 0-V to 5-V when an external 5-V reference is used.
analog input mode
Two input signal modes can be selected: single-ended input and pseudodifferential input.
_
+
Charge
Redistribution
DAC
Control
Logic
Ain(+)
REFM
ADC Code
S1
Ain(–)
When sampling, S1 is closed and S2 connects to Ain(–).
During conversion, S1 is open and S2 connects to REFM.
Figure 6. Simplified Pseudodifferential Input Circuit
Pseudodifferential input refers to the negative input, Ain(–); its voltage is limited in magnitude to
±0.2 V. The input
frequency limit of Ain(–) is the same as the positive input Ain(+). This mode is normally used for ground noise
rejection or dc bias offset.
When pseudodifferential mode is selected, only two analog input channel pairs are available for the TLC3544
and four channel pairs for the TLC3548, because half the inputs are used as the negative input (see Figure 7).
相關PDF資料 |
PDF描述 |
|---|---|
| TLC3548IPWG4 | 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 |
| TLC3548IDWR | 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 |
| TLC3548IDWG4 | 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 |
| TLC3544IPW | 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| TLC3548CDWG4 | 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TLC3544IDWR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-bit 5V 200KSPS 4-Channel Unipolar RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TLC3544IDWRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-bit 5V 200KSPS 4-Channel Unipolar RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TLC3544IPW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-bit 5V 200KSPS 4-Channel Unipolar RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TLC3544IPWG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14B 5V 200KSPS 4-CH Unipolar ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TLC3544IPWR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14 bit 5V 200KSPS 4 Channel Unipolar RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
發(fā)布緊急采購，3分鐘左右您將得到回復。