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參數(shù)資料
| 型號： | AD8305ACPZ-R2 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 23/24頁 |
| 文件大小： | 0K |
| 描述： | IC AMP LOG CONV 100DB 16-LFCSP |
| 設(shè)計資源： | Interfacing ADL5315 to Translinear Logarithmic Amplifier (CN0056) Interfacing ADL5317 High Side Current Mirror to a Translinear Logarithmic Amplifier in an Avalanche Photodiode Power Detector |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 類型： | 對數(shù)轉(zhuǎn)換器 |
| 應(yīng)用： | 光纖 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 16-LFCSP-VQ |
| 包裝： | 帶卷 (TR) |
AD8305
Rev. B | Page 8 of 24
FREQUENCY (Hz)
10
–50
100
V
OU
T
(V
)
0
–10
–20
–30
–40
1k
10k
100k
1M
10M
100M
1A
100A
1mA
10nA
100nA
10A
03
05
3-
0
15
Figure 15. Small Signal AC Response (5% Sine Modulation), from IPD to VOUT
(G = 1) for IPD in Decade Steps from 10 nA to 1 mA, IREF = 10 μA
FREQUENCY (Hz)
100
1k
10k
100k
1M
10M
100M
10
–50
N
O
RM
A
L
IZ
E
D
RE
S
P
O
NS
E
(
d
B)
0
–10
–20
–30
–40
1A
100A
1mA
10nA 100nA
10A
03
05
3-
0
16
Figure 16. Small Signal AC Response (5% Sine Modulation), from IREF to VOUT
(G = 1) for IREF in Decade Steps from 10 nA to 1 mA, IPD = 10 μA
FREQUENCY (Hz)
10
100
(
V
r
m
s/
√Hz
)
1
100
0.1
0.01
1k
10k
100k
1M
10M
1A
10A
10nA
100nA
100A
03
05
3-
01
7
Figure 17. Spot Noise Spectral Density at VOUT (G = 1) vs. Frequency for IPD in
Decade Steps from 10 nA to 1 mA
10k
100k
1M
10M
100M
FREQUENCY (Hz)
3
N
O
R
M
A
L
IZ
ED
R
ESP
O
N
SE
(d
B
)
0
–3
–6
–9
–12
AV = 5
AV = 2.5
AV = 2
AV = 1
03
05
3-
01
8
Figure 18. Small Signal AC Response of the Buffer for Various Closed-Loop
Gains (RL = 1 kΩ CL < 2 pF)
TEMPERATURE (°C)
2.0
V
OS
DRI
F
T
(
m
V
)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
90
80
60
40
20
0
–20
10
30
50
70
–10
–30
–40
–2.0
MEAN + 3σ
MEAN – 3σ
03
05
3-
0
19
Figure 19. Buffer Input Offset Drift vs. Temperature (3σ to Either Side of
Mean)
10n
100n
1
10
100
10m
1m
IPD (A)
6
(m
V
r
m
s)
5
4
3
2
1
0
0
30
53
-02
0
Figure 20. Total Wideband Noise Voltage at VOUT vs. IPD (G = 1)
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| AD8305ACPZ-RL7 | 功能描述:IC LOGARITH CONV 100DB 16-LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:60 系列:- 類型:可變增益放大器 應(yīng)用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
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