參數(shù)資料
型號(hào)： TLC3548CPWRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
封裝： GREEN, PLASTIC, TSSOP-24
文件頁(yè)數(shù)： 21/44頁(yè)
文件大?。?/td> 1000K
代理商： TLC3548CPWRG4
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
28
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
conversion operation (continued)
CS
FS
SDI
INT
SDO
***
Command = Configure Write for Mode 11, FIFO
Threshold = 1/2 Full, Sweep Sequence: 0–0–2–2
**
COMMAND = Select Any Channel
*
COMMAND = Read FIFO
*
Configure
Conversion
From CH0
Conversion
From CH2
Conversion
From CH2
Conversion
From CH0
1st SWEEP
1st FIFO Read
REPEAT
2nd FIFO Read
CH0
CH2
CH0
Read FIFO After 1st SWEEP Completed
CSTART
*** **
**
*
***
*
Possible Signal
Don’t Care
Figure 20. Mode 11, CSTART Triggers Samplings/Conversions
conversion clock and conversion speed
The conversion clock source can be the internal OSC, or the external clock SCLK. When the external clock is
used, the conversion clock is equal to SCLK/4. It takes 18 conversion clocks plus 15 ns to finish the conversion.
If the external clock is selected, the conversion time (not including sampling time) is 18X(4/fSCLK)+15 ns. Table 4
shows the maximum conversion rate (including sampling time) when the analog input source resistor is 1 k
.
Table 4. Maximum Conversion Rate
DEVICE
SAMPLING MODE
CONVERSION CLK
MAX SCLK
(MHz)
CONVERSION
TIME (us)
RATE
(KSPS)
Short (16 SCLK)
External SCLK/4
10
8.815
113.4
TLC3544/48
Long (48 SCLK)
External SCLK/4
25
4.815
207.7
TLC3544/48
(Rs = 1000)
Short (16 SCLK)
Internal 6.5 MHz
10
4.385
228
()
Long (48 SCLK)
Internal 6.5 MHz
25
4.705
212.5
FIFO operation
76543210
ADC
×8
FIFO
SOD
Serial
FIFO Full
FIFO 3/4 Full
FIFO 1/2 Full
FIFO 1/4 Full
FIFO Threshold Pointer
Figure 21. FIFO Structure
相關(guān)PDF資料
PDF描述
TLC3548CDW 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
TLC3548CDWRG4 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
TLC3544CPWRG4 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLC4541IDGK 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
TLC4541IDG4 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLC3548EVM 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 TLC3548 Eval Module RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
TLC3548IDW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-bit 5V 200KSPS 8-Channel Unipolar 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
TLC3548IDWG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-bit 5V 200KSPS 8-Channel Unipolar 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
TLC3548IDWR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-bit 5V 200KSPS 8-Channel Unipolar 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
TLC3548IDWRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14-bit 5V 200KSPS 8-Channel Unipolar 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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