8
6
MEAN + 3
4
2
0
–2
MEAN – 3
–4
–6
–40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE – ؇C
TPC 19. Output Buffer Offset vs. Temperature
(3σ to Either Side of Mean)
180
160
140
120
100
80
60
40
20
0
196
198
200
202
204
LOGARITHMIC SLOPE – mV/dec
TPC 20. Distribution of Logarithmic Slope, Sample 1000
AD8304
160
140
120
100
80
60
40
20
0
60
80
100
120
140
LOGARITHMIC INTERCEPT – pA
TPC 21. Distribution of Logarithmic Intercept,
Sample 1000
180
160
140
120
100
80
60
40
20
0
–20
–10
0
10
20
INPUT GUARD OFFSET – mV
TPC 22. Distribution of Input Guard Offset Voltage
(VINPT – VSUM), Sample 1000
REV. A
–7–