Datasheet

REV. A
AD8304
–5–
FREQUENCY – Hz
10
–30
–70
100 100M1k
NORMALIZED RESPONSE – dB
10k 100k 1M 10M
–40
–50
–60
0
–10
–20
1nA
10nA
1A
10A
10mA
100A
1mA
100nA
TPC 7. Small Signal AC Response, I
PD
to V
LOG
(5% Sine Modulation of I
PD
at Frequency)
I
PD
– A
100
10
0.01

V rms/
Hz
1
0.1
10kHz
100kHz
100Hz
1kHz
1MHz
10m100n 101n 10n 1 100 1m
TPC 8. Spot Noise Spectral Density at V
LOG
vs. I
PD
FREQUENCY – Hz
100
1
0.01
100 10M1k

V rms/
Hz
10k 100k 1M
10
0.1
1nA
10nA
100nA
1A
10A
>100A
TPC 9. Spot Noise Spectral Density at V
LOG
vs. Frequency
0
10
5
INPUT CURRENT – A
10m100n 101n 10n 1 100 1m
WIDEBAND NOISE – mV rms
9
8
7
6
4
3
2
1
TPC 10. Total Wideband Noise Voltage at V
LOG
vs. I
PD
FREQUENCY – Hz
3
0
–12
100 100M1k
NORMALIZED RESPONSE – dB
10k 100k 1M 10M
–3
–6
–9
A
V
= 5
A
V
= 2.5
A
V
= 2
A
V
= 1
GAIN = 1, 2, 2.5, 5
TPC 11. Small Signal Response of Buffer
FREQUENCY – Hz
10
0
–70
10 100k100
NORMALIZED GAIN – dB
1k 10k
–10
–20
–60
–30
–40
–50
f
C
= 1kHz
TPC 12. Small Signal Response of Buffer
Operating as Two-Pole Filter