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參數(shù)資料
| 型號： | ADS1601IPFBT |
| 元件分類： | ADC |
| 英文描述： | 16-BIT 1.25MSPS ANALOG TO DIGITAL CONVERTER |
| 中文描述： | 16位1.25MSPS時模數(shù)轉(zhuǎn)換器 |
| 文件頁數(shù)： | 19/26頁 |
| 文件大小： | 386K |
| 代理商： | ADS1601IPFBT |
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SBAS322 DECEMBER 2004
www.ti.com
19
INITIALIZING THE ADS1601
After the power supplies have stabilized, you must
initialize the ADS1601 by issuing a SYNC pulse as shown
in Figure 1. This operation needs only to be done once
after power-up and does not need to be performed when
exiting the Power-Down mode.
SYNCHRONIZING MULTIPLE ADS1601s
The SYNC input can be used to synchronize multiple
ADS1601s to provide simultaneous sampling. All devices
to be synchronized must use a common CLK input. With
the CLK inputs running, pulse SYNC on the falling edge of
CLK, as shown in Figure 43. Afterwards, the converters
will be converting synchronously with the FSO outputs
updating simultaneously. After synchronization, FSO is
held low until the digital filter has fully settled.
SYNC
ADS1601
1
CLK
FSO
DOUT
FSO
1
DOUT
1
SYNC
CLK
SYNC
ADS1601
2
CLK
FSO
DOUT
FSO
2
DOUT
2
CLK
...
SYNC
...
t
STL
FSO
1
FSO
2
Figure 43. Synchronizing Multiple Converters
STEP RESPONSE
Figure 44 plots the normalized step response for an input
applied at t = 0. The x-axis units of time are conversions
cycles. It takes 51 cycles to fully settle; for f
CLK
= 20MHz,
this corresponds to 40.8
μ
s.
1.2
1.0
0.8
0.6
0.4
0.2
0
0.2
0
10
20
30
40
Time (Conversion Cycles)
S
50
Figure 44. Step Response
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| ADS1602 | 16-Bit, 2.5MSPS Analog-to-Digital Converter |
| ADS1602IPFBR | 16-Bit, 2.5MSPS Analog-to-Digital Converter |
| ADS1602IPFBRG4 | 16-Bit, 2.5MSPS Analog-to-Digital Converter |
| ADS1602IPFBT | 16-Bit, 2.5MSPS Analog-to-Digital Converter |
| ADS1602IPFBTG4 | 16-Bit, 2.5MSPS Analog-to-Digital Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS1601IPFBTG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 1.25MSPS 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 |
| ADS1602EVM | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS1602EVM Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| ADS1602IPFBR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 2.5MSPS 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 |
| ADS1602IPFBRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 2.5MSPS 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 |
| ADS1602IPFBT | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 2.5MSPS 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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