ADL5306 Analog Devices, Inc., ADL5306 Datasheet - Page 7

• Manufacturer Part Number: ADL5306
• Description: 60 Db Range 100 Na To 100 Ua Low Cost Logarithmic Converter
• Manufacturer: Analog Devices, Inc.

Figure 10. Law Conformance Error vs. I
–0.1
–0.2
–0.3
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.3
0.2
0.1
–1
–2
–3
–4
0
4
3
2
1
0
0
10n
10n
10n
Figure 9. V
100n
100n
100n
(Decade Steps from 10 nA to 1 mA)
100nA
Figure 11. V
MEAN ±3 @ +85°C
LOG
+3V, 0V
MEAN + 3 @ –40°C
MEAN – 3 @ –40°C
1µA
vs. I
10µA
1µ
1µ
1µ
REF
100µA
I
REF
I
I
PD
PD
for Multiple Values of I
INPT
(A)
(A)
(A)
+3V, –0.5V
– V
PD
10µ
10µ
10µ
SUM
for Various Supply Conditions
vs. I
+5V, –5V
T
PD
A
= –40°C, +85°C
100µ
100µ
100µ
+5V, 0V
PD
1m
1m
1m
03727-0-009
03727-0-010
03727-0-011
Rev. 0 | Page 7 of 16
–0.1
–0.2
–0.3
Figure 12. Law Conformance Error vs. I
0.3
0.2
0.1
1.2
1.0
0.8
0.6
0.4
0.2
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0
10n
–20
–20
1µA
0
0
100µA
10µA TO 100µA:
1µA TO 10µA:
100nA TO 1µA:
100nA TO 1µA:
1µA TO 10µA:
10µA TO 100µA:
Figure 14. Pulse Response: I
Figure 13. Pulse Response: I
100n
20
20
(Decade Steps from 10 nA to 1 mA)
40
40
t
t
t
t
RISE
FALL
RISE
FALL
t
t
t
t
RISE
FALL
RISE
FALL
1µ
t
t
t
t
60
60
RISE
FALL
RISE
FALL
TIME (µs)
< 1µs,
= 5µs,
TIME (µs)
< 5µs
< 1µs
I
< 5µs,
= 30µs,
REF
< 20µs
= 5µs
< 1µs,
= 1µs,
< 1µs
< 1µs
80
80
(A)
10µ
100
100
REF
PD
REF
to V
to V
for Multiple Values of I
120
120
OUT
OUT
10µA
100nA
100µ
(G = 1)
(G = 1)
140
140
160
160
ADL5306
180
1m
180
03727-0-012
03727-0-013
03727-0-014
PD