adl5304 Analog Devices, Inc., adl5304 Datasheet - Page 10

• Manufacturer Part Number: adl5304
• Description: High Speed, 200 Db Range, Logarithmic Converter
• Manufacturer: Analog Devices, Inc.

ADL5304
flat, is limited by resistance used to generate dc I
Decade Steps from 1 nA to 1 mA (Noise at lower frequencies, where NSD is
Figure 22. Spot Noise Spectral Density at VLOG vs. Frequency for I
Figure 23. Pulse Response for I
0.01
–10
–20
–30
–40
–50
–60
–70
Figure 21. Small Signal AC Response from I
100
0.1
10
2.7
2.5
2.3
2.1
1.9
1.7
1.5
1.3
1.1
0.9
0.7
10
0
100
1
100
0
STEP IS ANALYZER ARTIFACT
Decade Steps from 1 nA to 1 mA, I
1mA
100µA
10µA
1µA
100nA
10nA
1nA
Current section for further explanation.)
1k
10
1k
10k
20
FREQUENCY (Hz)
FREQUENCY (Hz)
I
10k
DEN
10nA TO 100nA
10µA TO 100µA
100µA TO 1mA
1mA TO 10mA
100nA TO 1µA
NUM
1µA TO 10µA
1nA TO 10nA
TIME (µs)
= 100 nA
100k
in Decade Steps from 1 nA to 1 mA,
30
100k
1M
NUM
40
DEN
NUM
current. See the Noise vs.
= 100 nA
to V
1M
10M
100pA
1nA
10nA
100nA
1µA
10µA
100µA
1mA
EQUIP LIMIT
LOG
50
for I
NUM
100M
10M
in
60
NUM
in
Rev. 0 | Page 10 of 32
Figure 25. Spot Noise Spectral Density at VLOG vs. I
Figure 26. Normalized Falling Edge Settling of I
0.001
–10
–20
–30
–40
–10
–15
–20
–25
Figure 24. Small Signal AC Response from I
0.01
40
30
20
10
10
–5
100
0.1
0
10
5
0
100
–2
100p
1
Decade Steps from 10 nA to 1 mA; I
0
1mA
100µA
10µA
1µA
100nA
10nA
1n
1k
Steps from 100 Hz to 10 MHz
2
10n
10k
(Error = 10 mV/dB)
FREQUENCY (Hz)
100n
4
TIME (µs)
I
100k
NUM
(A)
6
1µ
1M
NUM
DEN
8
10µ
NUM
100nA TO 10nA
1µA TO 100nA
10µA TO 1µA
100µA TO 10µA
1mA TO 100µA
INPUT
NUM
to V
= 100 nA
in Decade Frequency
Data Sheet
10M
to Within 1 dB
LOG
10
100µ
100Hz
1kHz
10kHz
100kHz
1MHz
10MHz
for I
DEN
100M
12
in
1m
4
3
2
1
0
–1
–2
–3
–4