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參數資料
| 型號： | TMC1175AC3F20 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 1-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS |
| 文件頁數： | 17/20頁 |
| 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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TMC1175AM7C20 | 功能描述:視頻模擬/數字化轉換器集成電路 Mixed Signal FG RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉換器數量:1 ADC 輸入端數量:4 轉換速率:3 Gbps 分辨率:8 bit 結構: 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/數字化轉換器集成電路 Mixed Signal FG RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉換器數量:1 ADC 輸入端數量:4 轉換速率:3 Gbps 分辨率:8 bit 結構: 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/數字化轉換器集成電路 8Bit Video Converter 20MSPS a/D RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉換器數量:1 ADC 輸入端數量:4 轉換速率:3 Gbps 分辨率:8 bit 結構: 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/數字化轉換器集成電路 8Bit Video Converter 3MSPS a/D RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉換器數量:1 ADC 輸入端數量:4 轉換速率:3 Gbps 分辨率:8 bit 結構: 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/數字化轉換器集成電路 8Bit Video Converter 3MSPS a/D RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉換器數量:1 ADC 輸入端數量:4 轉換速率:3 Gbps 分辨率:8 bit 結構: 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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