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參數資料
| 型號： | AD8305 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 100 dB Range (10 nA to 1 mA) Logarithmic Converter |
| 中文描述： | 100分貝范圍（10 nA的1毫安）對數轉換器 |
| 文件頁數： | 6/20頁 |
| 文件大小： | 1301K |
| 代理商： | AD8305 |
REV. A
–6–
AD8305
FREQUENCY – Hz
10
–50
100
V
O
0
–10
–20
–30
–40
1k
10k
100k
1M
10M
100M
1 A
100 A
1mA
10nA100nA
10 A
TPC 13. Small Signal AC Response (5% Sine
Modulation), from I
PD
to V
OUT
(G = 1) for I
PD
in
Decade Steps from 10 nA to 1 mA, I
REF
= 10
m
A
FREQUENCY – Hz
10
–50
100
N
0
–10
–20
–30
–40
1k
10k
100k
1M
10M
100M
1 A
100 A
1mA
10nA 100nA
10 A
TPC 14. Small Signal AC Response (5% Sine
Modulation), from I
REF
to V
OUT
(G = 1) for I
REF
in
Decade Steps from 10 nA to 1 mA, I
PD
= 10
m
A
FREQUENCY – Hz
10
100
V
H
1
100
0.1
0.01
1k
10k
100k
1M
10M
1 A
10 A
10nA
100nA
100 A
TPC 15. Spot Noise Spectral Density at V
OUT
(G = 1) vs. Frequency for I
PD
in Decade Steps from
10 nA to 1 mA
FREQUENCY – Hz
3
N
0
–3
–6
–9
–12
10k
100k
1M
10M
100M
A
V
= 5
A
V
= 2.5
A
V
= 2
A
V
= 1
TPC 16. Small Signal AC Response of the Buffer for
Various Closed-Loop Gains (R
L
= 1 k
W
C
L
< 2 pF)
TEMPERATURE – C
2.0
V
O
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
90
80
60
40
20
0
–20
10
–10
30
50
70
–30
–40
–2.0
MEAN + 3
MEAN – 3
TPC 17. Buffer Input Offset Drift vs. Temperature
(3 to Either Side of Mean)
I
PD
– A
6
10n
m
5
4
3
2
1
100n
1
10
100
1m
10m
0
TPC 18. Total Wideband Noise Voltage
at V
OUT
vs. I
PD
(G = 1)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8305_CSURF | 制造商:Analog Devices 功能描述: |
| AD8305ACP | 制造商:AD 制造商全稱:Analog Devices 功能描述:100 dB Range (10 nA to 1 mA) Logarithmic Converter |
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| AD8305ACP-REEL7 | 制造商:Analog Devices 功能描述:SP Amp LOG Amp Single R-R O/P ±6V/12V 16-Pin LFCSP EP T/R |
| AD8305ACPZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:100 dB Range (10 nA to 1 mA) ogarithmic Converter |
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