Datasheet

AD8305
Rev. B | Page 10 of 24
10
Δ Vy DRIFT (mV/dec)
8
6
4
2
0
–2
–4
–6
–8
–10
MEAN + 3σ
MEAN – 3σ
TEMPERATURE (°C)
90806040200–20 10 30 50 70–10–30–40
03053-027
Figure 27. Slope Drift vs. Temperature (3σ to Either Side of Mean of
200 mV/decade)
350
Δ Iz DRIFT (pA)
250
150
50
–50
–150
–250
–350
MEAN + 3σ
MEAN – 3σ
85
TEMPERATURE (°C)
90806040200–20 10 30 50 70–10–30–40
0
3053-028
Figure 28. Intercept Drift vs. Temperature (3σ to Either Side of Mean of 1 nA)
SLOPE (mV/dec)
5000
4000
3000
2000
1000
0
190 195 200 205 210
COUNT
6000
0
3053-029
Figure 29. Distribution of Logarithmic Slope (Nominally
200 mV/decade) Sample >22,000
INTERCEPT (nA)
1500
1000
0
0.4
COUNT
500
4000
3500
3000
2500
2000
0.6 0.8 1.0 1.2 1.4 1.6
03053-030
Figure 30. Distribution of Logarithmic Intercept (Nominally 1 nA when
R
REF
= 200 kΩ ± 0.1%) Sample >22,000
V
REF
(V)
5000
4000
3000
2000
1000
0
COUNT
7000
6000
2.562.44 2.46 2.48 2.50 2.52
2.54
03053-031
Figure 31. Distribution of V
REF
(R
L
= 100 kΩ) Sample >22,000
5000
4000
3000
2000
1000
0
COUNT
6000
–0.015 –0.010 –0.005 0.005 0.010 0.0150
V
INPT
– V
SUM
VOLTAGE (V)
0
3053-032
Figure 32. Distribution of Offset Voltage (V
INPT
− V
SUM
) Sample >22,000