AD8305ACP-R2 Analog Devices Inc, AD8305ACP-R2 Datasheet - Page 6

• Manufacturer Part Number: AD8305ACP-R2
• Description: IC LOGARITHM CONV 100DB 16-LFCSP
• Manufacturer: Analog Devices Inc
• Type: Logarithmic Converterr

Specifications of AD8305ACP-R2

• Rohs Status: RoHS non-compliant
• Design Resources: Interfacing ADL5315 to Translinear Logarithmic Amplifier (CN0056) Interfacing ADL5317 High Side Current Mirror to a Translinear Logarithmic Amplifier in an Avalanche Photodiode Power Detector
• Applications: Fiber Optics
• Mounting Type: Surface Mount
• Package / Case: 16-LFCSP
• Other names: AD8305ACP-R2CT

AD8305
TYPICAL PERFORMANCE CHARACTERISTICS
V
Figure 5. V
P
= 5 V, V
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0
1n
1n
1n
LOG
T
V
A
N
N
vs. I
= –40°C, 0°C, +25°C, +70°C, +85°C
= 0V
Figure 4. V
= 0 V, R
Figure 3. V
10n
10n
10n
PD
10nA
for Multiple Values of I
–40°C
100nA
1µA
100n
100n
REF
100n
LOG
LOG
10µA
–40°C
+25°C
+85°C
+25°C
+85°C
100µA
= 200 kΩ, T
vs. I
vs. I
0°C
+70°C
1mA
REF
PD
T
V
1µ
1µ
1µ
A
N
for Multiple Temperatures
for Multiple Temperatures
I
I
= –40°C, 0°C, +25°C, +70°C, +85°C
= 0V
REF
PD
I
0°C
+70°C
PD
(A)
(A)
(A)
REF
10µ
10µ
10µ
A
(Decade Steps from 10 nA to 1 mA)
= 25°C, unless otherwise noted.
100µ
100µ
100µ
1m
1m
1m
10m
10m
10m
Rev. B | Page 6 of 24
Figure 8. Law Conformance Error vs. I
Figure 6. Law Conformance Error vs. I
Figure 7. Law Conformance Error vs. I
–0.5
–1.0
–1.5
–2.0
–0.5
–1.0
–1.5
–2.0
–0.1
–0.2
–0.3
–0.4
–0.5
2.0
1.5
1.0
0.5
2.0
1.5
1.0
0.5
0.5
0.4
0.3
0.2
0.1
0
0
0
1n
1n
1n
10µA
10n
10n
10n
1µA
–40°C
Temperatures, Normalized to 25°C
Temperatures, Normalized to 25°C
100µA
100n
+85°C
100n
100n
0°C
from 10 nA to 1 mA)
1mA
T
V
T
V
1µ
1µ
A
1µ
N
A
N
= –40°C, 0°C, +25°C, +70°C, +85°C
+25°C
= 0V
I
= –40°C, 0°C, +25°C, +70°C, +85°C
I
= 0V
I
PD
PD
PD
PD
for Multiple Values of I
(A)
(A)
+25°C
(A)
10µ
10µ
10µ
PD
REF
+70°C
+70°C
(at I
(at I
REF
PD
0°C
100µ
100µ
10nA
100µ
= 10 μA) for Multiple
= 10 μA) for Multiple
–40°C
+85°C
100nA
1m
1m
1m
REF
(Decade Steps
10m
10m
10m