參數(shù)資料
型號(hào)： TMC1175AC3F20
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： ADC
英文描述： 1-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS
文件頁(yè)數(shù)： 17/20頁(yè)
文件大小： 427K
代理商： TMC1175AC3F20
TMC1175A
PRODUCT SPECIFICATION
6
REV. 1.3.3 2/28/02
This is the primary reason that the signal to noise ratio drops
off as full scale frequency increases. Note, also, that the slew
rate is directly proportional to signal amplitude, A. A/Ds will
handle lower-amplitude signals of higher bandwidth.
All this is of particular interest in applications such as digi-
tizing analog VGA RGB signals, or the output of a CCD
imaging chip. These data are effectively pre-sampled: there
is a period of rapid slewing from one pixel value to another,
followed by a relatively stable dc level before the signal
slews to the next pixel value. The goal is, of course, to
sample on these pixel values, not on the slewing between
pixels. During the aperture time, the A/D sees essentially a
dc signal, and classic bandwidth considerations are not
important. As long as the input circuit can slew and settle to
the new value in the prescribed period, an accurate conver-
sion will be made.
The TMC1175A is capable of slewing a full 2V and settling
between samples taken as little as 25ns apart, making it ideal
for digitizing analog VGA and CCD outputs.
Equivalent Circuits and Threshold Level
Figure 4. Equivalent Digital Input Circuit
Figure 5. Equivalent Digital Output Circuit
Data or
Control
Input
VDD
p
n
27014B
GND
VDD
p
n
27011B
GND
Output
Figure 7. Threshold Levels for Three-State Measurements
65-1175A-07
tENA
2.0V
0.8V
tDIS
Three-State
Outputs
OE
High Impedance
0.5V
Figure 6. Equivalent Analog Input Circuit
VDDA
AGND
VIN
27052A
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMC1175AM7C20 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 Mixed Signal FG RoHS:否 制造商:Texas Instruments 輸入信號(hào)類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel
TMC1175AM7C20_Q 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 Mixed Signal FG RoHS:否 制造商:Texas Instruments 輸入信號(hào)類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel
TMC1175AM7C20T 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 8Bit Video Converter 20MSPS a/D RoHS:否 制造商:Texas Instruments 輸入信號(hào)類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel
TMC1175AM7C30 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 8Bit Video Converter 3MSPS a/D RoHS:否 制造商:Texas Instruments 輸入信號(hào)類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel
TMC1175AM7C30_Q 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 8Bit Video Converter 3MSPS a/D RoHS:否 制造商:Texas Instruments 輸入信號(hào)類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel
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