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參數(shù)資料
| 型號： | LTC2205IUK#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | 16-Bit, 65Msps ADC; Package: QFN; No of Pins: 48; Temperature Range: -40°C to +85°C |
| 中文描述： | 1-CH 16-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC48 |
| 封裝： | 7 X 7 MM, LEAD FREE, PLASTIC, MO-220WKKD-2, QFN-48 |
| 文件頁數(shù)： | 21/36頁 |
| 文件大小： | 1367K |
| 代理商： | LTC2205IUK#TRPBF |
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LTC2205/LTC2204
28
22054fc
usually a result of ADC element mismatches. An optional
internal dither mode can be enabled to randomize the input
location on the ADC transfer curve, resulting in improved
SFDR for low signal levels.
As shown in Figure 14, the output of the sample-and-hold
amplier is summed with the output of a dither DAC. The
dither DAC is driven by a long sequence pseudo-random
number generator; the random number fed to the dither
DAC is also subtracted from the ADC result. If the dither
DAC is precisely calibrated to the ADC, very little of the
dither signal will be seen at the output. The dither signal
that does leak through will appear as white noise. The
dither DAC is calibrated to result in less than 0.5dB
elevation in the noise oor of the ADC, as compared to
the noise oor with dither off.
Output Driver Power
Separate output power and ground pins allow the output
drivers to be isolated from the analog circuitry. The power
supply for the digital output buffers, OVDD, should be tied
to the same power supply as for the logic being driven.
OVDD can be powered with any logic voltage up to the VDD
of the ADC. OGND can be powered with any voltage from
ground up to 1V and must be less than OVDD. The logic
outputs will swing between OGND and OVDD.
Internal Dither
The LTC2205/LTC2204 are 16-bit ADCs with very linear
transfer functions; however, at low input levels even
slight imperfections in the transfer function will result in
unwanted tones. Small errors in the transfer function are
APPLICATIONS INFORMATION
Figure 13. Descrambling a Scrambled Digital Output
D1
D0
D2
D14
D15
LTC2205/
LTC2204
PC BOARD
FPGA
CLKOUT
OF
D15/D0
D14/D0
D2/D0
D1/D0
D0
22054 F13
相關PDF資料 |
PDF描述 |
|---|---|
| LTC2205CUK-14#TRPBF | 16-Bit, 65Msps ADC; Package: QFN; No of Pins: 48; Temperature Range: 0°C to +70°C |
| LTC2205IUK-14#TRPBF | 16-Bit, 65Msps ADC; Package: QFN; No of Pins: 48; Temperature Range: -40°C to +85°C |
| LTC2206CUK-14#PBF | 16-Bit, 80Msps ADC; Package: QFN; No of Pins: 48; Temperature Range: 0°C to +70°C |
| LTC2206CUK-14#TRPBF | 16-Bit, 80Msps ADC; Package: QFN; No of Pins: 48; Temperature Range: 0°C to +70°C |
| LTC2206IUK-14#PBF | 16-Bit, 80Msps ADC; Package: QFN; No of Pins: 48; Temperature Range: -40°C to +85°C |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2205UK | 制造商:LINER 制造商全稱:Linear Technology 功能描述:16-Bit, 65Msps/40Msps |
| LTC2205UK-14 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:14-Bit, 65Msps ADC |
| LTC2206 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:16-Bit, 20Msps Low Power ADC |
| LTC2206CUK | 制造商:LINER 制造商全稱:Linear Technology 功能描述:16-Bit, 105Msps/80Msps ADCs |
| LTC2206CUK#PBF | 制造商:Linear Technology 功能描述:Single ADC Pipelined 80Msps 16-bit Parallel 48-Pin QFN EP 制造商:Linear Technology 功能描述:IC ADC 16-BIT 80MSPS 48-QFN 制造商:Linear Technology 功能描述:MS-ADC/High Speed, 16-bit, 80Msps ADC 制造商:Linear Technology 功能描述:IC, ADC, 16BIT, 80MSPS, QFN-48, Resolution (Bits):16bit, Sampling Rate:80MSPS, Supply Voltage Type:Single, Supply Voltage Min:3.135V, Supply Voltage Max:3.465V, Supply Current:220mA, Digital IC Case Style:QFN, No. of Pins:48 , RoHS Compliant: Yes |
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