AD8305 Analog Devices, AD8305 Datasheet - Page 7

• Manufacturer Part Number: AD8305
• Description: 100 Db-range (10nA-1mA) Logarithmic Converter
• Manufacturer: Analog Devices

REV. A
–0.5
–1.0
–1.5
–2.0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
2.0
1.5
1.0
0.5
–1
–2
–3
–4
0
0
4
3
2
1
0
TPC 19. Law Conformance Error Distribution
(3 to Either Side of Mean)
TPC 20. Law Conformance Error Distribution
(3 to Either Side of Mean)
TPC 21. Law Conformance Error Distribution
(3 to Either Side of Mean)
1n
1n
1n
10n
10n
10n
MEAN
MEAN – 3 @ 70 C
MEAN + 3
MEAN – 3
MEAN
MEAN + 3 @ 70 C
100n
100n
100n
3 @ +85 C
3 @ 0 C
MEAN – 3 @ –40 C
MEAN + 3 @ –40 C
1
1
1
I
I
I
PD
PD
PD
– A
– A
– A
10
10
10
100
100
100
T
T
A
A
= –40 C, +85 C
= 0 C, 70 C
T
A
1m
1m
1m
= 25 C
10m
10m
10m
–7–
TPC 22. V
Side of Mean)
TPC 24. V
Side of Mean)
–10
–20
–15
–25
–10
–15
–20
–1
–2
–3
–4
–5
20
15
10
–5
20
15
10
–5
5
4
3
2
1
0
–40
5
0
TPC 23. V
(3 to Either Side of Mean)
–40
5
0
–40
–30
–30
–30
–20
–20
–20
REF
INPT
–10
–10
–10
REF
Drift vs. Temperature (3 to Either
Drift vs. Temperature (3 to Either
MEAN + 3
– V
0
0
0
MEAN – 3
MEAN + 3
MEAN – 3
TEMPERATURE – C
TEMPERATURE – C
TEMPERATURE – C
IREF
10
10
10
MEAN – 3
MEAN + 3
Drift vs. Temperature
20
20
20
30
30
30
40
40
40
50
50
50
60
60
60
AD8305
70
70
70
80
80
80
90
90
90