AD8305ACPZ-RL7 Analog Devices Inc, AD8305ACPZ-RL7 Datasheet - Page 10

IC, LOGARITHMIC AMP, 20mV, LFCSP-16

AD8305ACPZ-RL7

Manufacturer Part Number
AD8305ACPZ-RL7
Description
IC, LOGARITHMIC AMP, 20mV, LFCSP-16
Manufacturer
Analog Devices Inc
Type
Logarithmic Converterr
Datasheet

Specifications of AD8305ACPZ-RL7

No. Of Amplifiers
1
Dynamic Range, Decades
5
Scale Factor V / Decade
0.2
Supply Voltage Range
3V To 12V
Amplifier Case Style
LFCSP
Supply Current
5.4mA
Input Offset Voltage
20mV
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
Rohs Compliant
Yes
Number Of Channels
1
Number Of Elements
3
Power Supply Requirement
Single/Dual
Single Supply Voltage (typ)
5V
Dual Supply Voltage (typ)
±3/±5V
Power Dissipation
500mW
Rail/rail I/o Type
Rail to Rail Output
Single Supply Voltage (min)
3V
Single Supply Voltage (max)
12V
Dual Supply Voltage (min)
±1.5V
Dual Supply Voltage (max)
±6V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
16
Package Type
LFCSP EP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
AD8305ACPZ-RL7
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

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