Datasheet

REV. A–6–
AD8304
INPUT – A
2.0
–2.0
100p 10m1n
ERROR – dB (10mV/dB)
10n 100n 1 10 100 1m
1.5
0
–0.5
–1.0
–1.5
1.0
0.5
T
A
= 25C
MEAN + 3
MEAN – 3
TPC 13. Logarithmic Conformance Error
Distribution (3
σ to Either Side of Mean)
INPUT – A
5
–5
100p 10m1n
ERROR – dB (10mV/dB)
10n 100n 1 10 100 1m
4
1
0
–1
–3
3
2
–2
–4
T
A
= 0C, 70C
MEAN + 3 @ 70C
MEAN – 3 @ 70C
MEAN  3 @ 0C
TPC 14. Logarithmic Conformance Error
Distribution (3
σ to Either Side of Mean)
INPUT – A
5
–5
100p 10m1n
ERROR – dB (10mV/dB)
10n 100n 1 10 100 1m
4
1
0
–1
–3
3
2
–2
–4
T
A
= 40C, 85C
MEAN 3 @40C
MEAN 3 @40C
MEAN 3 @ 85C
TPC 15. Logarithmic Conformance Error
Distribution (3
σ to Either Side of Mean)
TEMPERATURE – C
20
–15
–30
–40 90–30
V
REF
DRIFT – mV
–20 –10 0 10 20 40 60 80
15
–10
–20
0
–5
–25
10
5
30 50 70
MEAN + 3
MEAN – 3
TPC 16. V
REF
Drift vs. Temperature (3 σ to Either
Side of Mean)
TEMPERATURE – C
3
–4
–5
–40 90–30
SLOPE CHANGE FROM 25C – mV/dec
–20
–10 0 10 20 40
60 80
2
–3
–1
–2
1
0
30 50
70
MEAN + 3
MEAN – 3
TPC 17. Slope Drift vs. Temperature (3 σ to Either
Side of Mean)
TEMPERATURE – C
40
–30
–50
–40 90–30
INTERCEPT CHANGE FROM 25C – pA
–20 –10 0 10 20 40 60 80
30
–20
–40
0
–10
20
10
30 50 70
MEAN + 3
MEAN – 3
TPC 18. Intercept Drift vs. Temperature (3 σ to
Either Side of Mean)