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參數(shù)資料
| 型號： | ADS5510IPAPR |
| 英文描述： | 11-Bit, 125-MSPS Analog-To-Digital Converter |
| 中文描述： | 11位，125 MSPS的模擬到數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 23/29頁 |
| 文件大?。?/td> | 835K |
| 代理商： | ADS5510IPAPR |
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0.01
μ
F
0.01
μ
F
CLKP
CLKM
Square Wave
or Sine Wave
(3V
PP
)
ADS5510
0.01
μ
F
CLKP
CLKM
0.01
μ
F
Differential Square Wave
or Sine Wave
(3V
PP
)
ADS5510
INTERNAL DLL
In order to obtain the fastest sampling rates achievable with the ADS5510, the device uses an internal digital
delay lock loop (DLL). Nevertheless, the limited frequency range of operation of DLL degrades the performance
at clock frequencies below 60 MSPS. In order to operate the device below 60 MSPS, the internal DLL must be
shut off using the DLL OFF mode described in the
Serial Interface Programming
section. The
Typical
Performance Curves
show the performance obtained in both modes of operation: DLL ON (default) and DLL
OFF. In either of the two modes, the device enters power-down mode if no clock or slow clock is provided. The
limit of the clock frequency where the device functions properly with default settings is ensured to be over 2
MHz.
OUTPUT INFORMATION
The ADC provides 11 data outputs (D10 to D0, with D10 being the MSB and D0 the LSB), a data-ready signal
(CLKOUT, pin 43), and an out-of-range indicator (OVR, pin 64) that equals 1 when the output reaches the
full-scale limits.
ADS5510
SLAS499–JANUARY 2007
Figure 31. AC-Coupled, Single-Ended Clock Input
The ADS5510 clock input can also be driven differentially, reducing susceptibility to common-mode noise. In this
case, it is best to connect both clock inputs to the differential input clock signal with 0.01-
μ
F capacitors, as
shown in
Figure 32
.
Figure 32. AC-Coupled, Differential Clock Input
For high input frequency sampling, it is recommended to use a clock source with low jitter. Additionally, the
internal ADC core uses both edges of the clock for the conversion process. This means that, ideally, a 50% duty
cycle should be provided.
Figure 19
shows the performance variation of the ADC versus clock duty cycle.
Bandpass filtering of the source can help produce a 50% duty cycle clock and reduce the effect of jitter. When
using a sinusoidal clock, the clock jitter further improves as the amplitude is increased. In that sense, using a
differential clock allows for the use of larger amplitudes without exceeding the supply rails and absolute
maximum ratings of the ADC clock input.
Figure 18
shows the performance variation of the device versus input
clock amplitude. For detailed clocking schemes based on transformer or PECL-level clocks, see the
ADS55xxEVM User's Guide (
SLWU010
), available for download from www.ti.com.
Two different output formats (straight offset binary or two's complement) and two different output clock polarities
(latching output data on rising or falling edge of the output clock) can be selected by setting DFS (pin 40) to one
of four different voltages.
Table 3
details the four modes. In addition, output enable control (OE, pin 41, active
high) is provided to put the outputs into a high-impedance state.
23
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參數(shù)描述 |
|---|---|
| ADS5510IPAPRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 11B 125 MSPS 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS-5512 | 功能描述:DC/DC轉(zhuǎn)換器 51W 12V/3A, 5V/3A DC/DC RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| ADS5517 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:11-BIT, 200 MSPS ADC |
| ADS5517EVM | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS5517 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 |
| ADS5517IRGZ25 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 11B,200MSPS 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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