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參數(shù)資料
| 型號(hào)： | ADL5501AKSZ-R7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | 50 MHz to 4 GHz TruPwr Detector |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | ROHS COMPLIANT, MO-203AB, SC-70, 6 PIN |
| 文件頁(yè)數(shù)： | 22/28頁(yè) |
| 文件大小： | 1654K |
| 代理商： | ADL5501AKSZ-R7 |
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ADL5501
DRIFT OVER A REDUCED TEMPERATURE RANGE
Figure 53 shows the error over temperature for a 1.9 GHz input
signal. Error due to drift over temperature consistently remains
within ±0.25 dB and only begins to exceed this limit when the
ambient temperature goes above +25°C and below 10°C. For
all frequencies using a reduced temperature range, higher
measurement accuracy is achievable.
Rev. 0 | Page 22 of 28
1.00
–1.00
–0.75
–0.50
–0.25
0
0.25
0.50
0.75
–25
–20
–15
–10
INPUT (dBm rms)
–5
0
5
10
15
E
0
+85°C
+70°C
+50°C
+35°C
+25°C
+15°C
0°C
–10°C
–25°C
–40°C
Figure 53. Typical Drift at 1.9 GHz for Various Temperatures
3
–3
–2
–1
0
1
2
–25
–20
–15
–10
–5
0
5
10
15
E
INPUT (dBm)
0
Figure 54. Temperature Drift Distributions for 12 Devices at 40°C, +25°C,
and +85°C vs. +25°C Linear Reference; Frequency 50 MHz; Supply 5.0 V
3
–3
–2
–1
0
1
2
–25
–20
–15
–10
–5
0
5
10
15
E
INPUT (dBm)
0
Figure 55. Output Delta from +25°C Output Voltage for 12 Devices at 40°C
and +85°C, Frequency 50 MHz, Supply 5.0 V
OPERATION BELOW 100 MHZ
The ADL5501 works at frequencies below 100 MHz, but
exhibits slightly higher linearity error. Figure 54 shows the error
distribution of 12 devices at 50 MHz over temperature. When
compared to an ideal linear transfer function at ambient, the
error of the ADL5501 over temperature remains within ±0.5 dB
for the central 20 dB of the dynamic range. At the higher input
power levels, the error grows as the response becomes nonlinear.
Due to the repeatability of the performance from part to part,
compensation can be applied to reduce the effects of temperature
drift and linearity error. To detect larger dynamic ranges at
lower frequencies, the transfer function at ambient can be
calibrated, thus eliminating the linearity error. This technique
is discussed in detail in the Calibration for Improved Accuracy
section. Figure 55 shows that the dynamic range within ±0.5 dB
error improves to 30 dB by using this method.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| ADL5501AKSZ-R71 | 制造商:AD 制造商全稱:Analog Devices 功能描述:50 MHz to 6 GHz TruPwr Detector |
| ADL5501-EVALZ | 制造商:Analog Devices 功能描述:EVAL KIT FOR 50 MHZ TO 4 GHZ TRUPWR DETECTOR - Bulk |
| ADL5501-EVALZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:50 MHz to 6 GHz TruPwr Detector |
| ADL5502 | 制造商:AD 制造商全稱:Analog Devices 功能描述:450 MHz to 6000 MHz Crest Factor Detector |
| ADL5502_1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:450 MHz to 6000 MHz Crest Factor Detector |
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