AD8305ACPZ Просмотр технического описания (PDF) - Analog Devices
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AD8305ACPZ Datasheet PDF : 25 Pages
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Data Sheet
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1n
1mA
100µA
10µA
1µA
100nA
10nA
10n 100n
1µ
10µ 100µ
1m
10m
IREF (A)
Figure 9. VLOG vs. IREF for Multiple Values of IPD (Decade Steps from
10 nA to 1 mA)
0.5
+3V, 0V
0.4
+5V, 0V
0.3
+9V, 0V
0.2
+12V, 0V
0.1
0
–0.1
+3V, –0.5V
–0.2
+5V, –5V
–0.3
–0.4
–0.5
1n
10n 100n
1µ
10µ 100µ
1m
10m
IPD (A)
Figure 10. Law Conformance Error vs. IPD for Various Supply Conditions (See
Annotations)
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
1n
10n 100n
1µ
10µ 100µ
1m
10m
IPD (A)
Figure 11. VINPT − VSUM vs. IPD
AD8305
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
1n
10µA
100µA 1mA
10n 100n
10nA 100nA
1µA
1µ
10µ 100µ
1m
10m
IREF (A)
Figure 12. Law Conformance Error vs. IREF for Multiple Values of IPD (Decade
Steps from 10 nA to 1 mA)
1.4
1.2
100µA TO 1mA:T-RISE = <1µs,
T-FALL = < 1µs
1.0
10µA TO 10µA:T-RISE = <1µs,
T-FALL = < 1µs
0.8
1µATO 10µA:T-RISE = 1µs,
T-FALL = 5µs
0.6
100nA TO 1µA:T-RISE = 5µs,
T-FALL = 20µs
0.4
10nA TO 100nA:T-RISE = 20µs,
T-FALL = 30µs
0.2
0
–20 0
20 40 60 80 100 120 140 160 180
TIME (µs)
Figure 13. Pulse Response − IPD to VOUT (G = 1)
1.6
1.4
10nA TO 100nA:T-RISE = 30µs,
T-FALL = 20µs
1.2
100nA TO 1µA:T-RISE = 30µs,
T-FALL = 5µs
1.0
1µATO 10µA:T-RISE = 5µs,
T-FALL = 1µs
0.8
10µA TO 100µA:T-RISE = 1µs,
T-FALL = < 1µs
0.6
100µA TO 1mA:T-RISE = <1µs,
T-FALL = < 1µs
0.4
0.2
0
–20 0
20 40 60 80 100 120 140 160 180
TIME (µs)
Figure 14. Pulse Response − IREF to VOUT (G = 1)
Rev. C | Page 7 of 24
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