fI Input Frequency MHz 7 6 5 4 3 2 1 0 1 0 100 200 300 400 500 600 Magnitude " />
參數(shù)資料
型號(hào): ADS62P43IRGC25
廠商: Texas Instruments
文件頁(yè)數(shù): 43/78頁(yè)
文件大?。?/td> 0K
描述: IC ADC 14B SER/PAR 80MSPS 64VQFN
標(biāo)準(zhǔn)包裝: 25
位數(shù): 14
采樣率(每秒): 80M
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-VQFN 裸露焊盤(9x9)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 2 個(gè)差分,單極
fI Input Frequency MHz
7
6
5
4
3
2
1
0
1
0
100
200
300
400
500
600
Magnitude
dB
G080
f Frequency MHz
0
100
200
300
400
500
600
R
Resistance
k
100
10
0.1
0.01
G081
1
SLAS561C
– JULY 2007 – REVISED FEBRUARY 2012
Figure 83. ADC Analog Bandwidth
Drive Circuit Requirements
For optimum performance, the analog inputs must be driven differentially. This improves the common-mode
noise immunity and even order harmonic rejection. A 5-
resistor in series with each input pin is recommended
to damp out ringing caused by the package parasitics.
It is also necessary to present low impedance (50
) for the common mode switching currents. This can be
achieved by using two resistors from each input terminated to the common mode voltage (VCM).
In addition, the drive circuit may have to be designed to provide a low insertion loss over the desired frequency
range and matched impedance to the source. While doing this, the ADC input impedance must be considered.
Figure 84 and Figure 85 show the impedance (Zin = Rin || Cin) looking into the ADC input pins.
Figure 84. ADC Analog Input Resistance (Rin) Across Frequency
48
Copyright
2007–2012, Texas Instruments Incorporated
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ADS62P44IRGCRG4 IC ADC 14BIT SER/PAR 105M 64VQFN
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ADS62P43IRGCR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 14B 80MSPS 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS62P43IRGCRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC DUAL 14B 80MSPS Para 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS62P43IRGCT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 14B 80MSPS 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS62P43IRGCTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC DUAL 14B 80MSPS Para 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS62P43RGC 制造商:TI 制造商全稱:Texas Instruments 功能描述:Dual Channel 14-Bit, 125/105/80/65 MSPS ADC with Parallel CMOS/DDR LVDS outputs