ADL5306 Analog Devices, Inc., ADL5306 Datasheet - Page 8

• Manufacturer Part Number: ADL5306
• Description: 60 Db Range 100 Na To 100 Ua Low Cost Logarithmic Converter
• Manufacturer: Analog Devices, Inc.

ADL5306
Figure 16. Small-Signal AC Response (5% Sine Modulation), from I
Figure 15. Small-Signal AC Response (5% Sine Modulation), from I
0.01
Figure 17. Spot Noise Spectral Density at V
–10
–15
–20
–25
–30
–35
–40
–10
–15
–20
–25
–30
–35
–40
100
0.1
10
–5
10
–5
10
5
0
5
0
1
100
100
100
(G = 1) for I
(G = 1) for I
for I
1k
1k
1k
PD
in Decade Steps from 10 nA to 1 mA
REF
PD
10k
10k
in Decade Steps from 10 nA to 1 mA
in Decade Steps from 10 nA to 1 mA
100nA
100nA
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
100nA
100k
100k
100k
1µA
10µA
1M
1M
OUT
(G = 1) vs. Frequency
1M
100µA
10M
10M
1µA
10µA
1µA
10µA
100µA
100µA
100M
100M
10M
REF
03727-0-015
PD
03727-0-016
03727-0-017
to V
to V
OUT
Rev. 0 | Page 8 of 16
OUT
–0.5
–1.0
–1.5
–2.0
–10
–15
–20
–25
2.0
1.5
1.0
0.5
–5
5
0
0
6
5
4
3
2
1
0
10n
Figure 20. Total Wideband Noise Voltage at V
10k
Figure 18. Small-Signal AC Response of the Buffer for Various
–40 –30 –20 –10
Figure 19. Buffer Input Offset Drift vs. Temperature
Closed-Loop Gains (R
100n
100k
(3σ to Either Side of Mean)
0
MEAN + 3σ
MEAN – 3σ
TEMPERATURE (°C)
FREQUENCY (Hz)
10
1µ
20
I
PD
1M
(A)
30
Av = 5
L
= 1 kΩ, C
10µ
40
Av = 2.5
50
10M
L
< 2 pF)
60
OUT
100µ
vs. I
70
Av = 1
PD
Av = 2
80 90
(G = 1)
100M
1m
03727-0-018
03727-0-019
03727-0-020