參數(shù)資料
型號(hào): ADS5510IPAPRG4
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(yè)數(shù): 22/30頁(yè)
文件大小: 876K
代理商: ADS5510IPAPRG4
www.ti.com
REFERENCE CIRCUIT
The ADS5510 has built-in internal reference generation, requiring no external circuitry on the printed circuit
board (PCB). For optimum performance, it is best to connect both REFP and REFM to ground with a 1-
μ
F
decoupling capacitor (the 1-
resistor shown in
Figure 29
is optional). In addition, an external 56.2-k
resistor
should be connected from IREF (pin 31) to AGND to set the proper current for the operation of the ADC, as
shown in
Figure 29
. No capacitor should be connected between pin 31 and ground; only the 56.2-k
resistor
should be used.
29
30
31
REFP
REFM
IREF
1
1
56.2 k
1 F
1 F
CLOCK INPUT
The ADS5510 clock input can be driven with either a differential clock signal or a single-ended clock input, with
little or no difference in performance between both configurations. The common-mode voltage of the clock inputs
is set internally to CM (pin 17) using internal 5-k
resistors that connect CLKP (pin 10) and CLKM (pin 11) to
CM (pin 17), as shown in
Figure 30
.
5 k
5 k
3 pF
3 pF
6 pF
CLKP
CLKM
CM
CM
ADS5510
SLAS499–JANUARY 2007
Figure 29. REFP, REFM, and IREF Connections for Optimum Performance
Figure 30. Clock Inputs
When driven with a single-ended CMOS clock input, it is best to connect CLKM (pin 11) to ground with a
0.01-
μ
F capacitor, while CLKP is ac-coupled with a 0.01-
μ
F capacitor to the clock source, as shown in
Figure 31
.
22
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相關(guān)PDF資料
PDF描述
ADS5510 11-Bit, 125-MSPS Analog-To-Digital Converter
ADS5510IPAP 11-Bit, 125-MSPS Analog-To-Digital Converter
ADS5510IPAPR 11-Bit, 125-MSPS Analog-To-Digital Converter
ADS602
ADS605 700MHz Low Distortion, Low Noise Differential Amplifier/ADC Driver (AV = 10V/V); Package: QFN; No of Pins: 16; Temperature Range: 0°C to +70°C
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