AD8305ACP-R2 Analog Devices Inc, AD8305ACP-R2 Datasheet - Page 10

• 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
Figure 28. Intercept Drift vs. Temperature (3σ to Either Side of Mean of 1 nA)
Figure 27. Slope Drift vs. Temperature (3σ to Either Side of Mean of
6000
5000
4000
3000
2000
1000
–150
–250
–350
–10
10
–2
–4
–6
–8
350
250
150
–50
50
8
0
6
4
2
–40
0
190
–40
Figure 29. Distribution of Logarithmic Slope (Nominally
–30
–30
–20
–20
200 mV/decade) Sample >22,000
–10
–10
195
MEAN + 3σ
MEAN – 3σ
MEAN + 3σ
MEAN – 3σ
0
0
TEMPERATURE (°C)
200 mV/decade)
TEMPERATURE (°C)
10
SLOPE (mV/dec)
10
20
20
200
30
30
40
40
50
50
205
60
60
70
70
80
80
85
90
210
90
Rev. B | Page 10 of 24
Figure 30. Distribution of Logarithmic Intercept (Nominally 1 nA when
Figure 32. Distribution of Offset Voltage (V
6000
5000
4000
3000
2000
1000
7000
6000
5000
4000
3000
2000
1000
4000
3500
3000
2500
2000
1500
1000
500
–0.015
Figure 31. Distribution of V
0
0
0
2.44
0.4
–0.010
R
2.46
0.6
REF
= 200 kΩ ± 0.1%) Sample >22,000
–0.005
V
INPT
2.48
0.8
INTERCEPT (nA)
– V
REF
SUM
V
REF
2.50
(R
1.0
0
VOLTAGE (V)
L
(V)
= 100 kΩ) Sample >22,000
INPT
0.005
2.52
1.2
− V
SUM
) Sample >22,000
0.010
2.54
1.4
0.015
2.56
1.6