AD8304ARU Analog Devices Inc, AD8304ARU Datasheet - Page 4

• Manufacturer Part Number: AD8304ARU
• Description: Logarithmic Amplifier IC
• Manufacturer: Analog Devices Inc
• Type: Logarithmic Converterr

Specifications of AD8304ARU

• No. Of Amplifiers: 1
• No. Of Pins: 14
• Operating Temperature Range: -40°C To +85°C
• Slew Rate: 15V/µs
• Peak Reflow Compatible (260 C): No
• Input Bias Current: 400nA
• Supply Voltage: 5.5V
• Bandwidth: 10MHz
• 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: 14-TSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD8304–Typical Performance Characteristics
(V
P
TPC 2. Logarithmic Conformance (Linearity) for V
= 5 V, V
TPC 3. Absolute Deviation from Nominal Speci-
fied Value of V
–0.5
–1.0
–1.5
–2.0
–0.5
–1.0
–1.5
–2.0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
2.0
1.5
1.0
0.5
2.0
1.5
1.0
0.5
100p
0
100p
0
0
100p
N
= 0 V, T
T
V
T
V
V
V
A
N
A
N
P
N
= –40 C, +25 C, +85 C
= –0.5V
4.5V
5.0V
5.5V
= –40 C, +25 C, +85 C
= –0.5V
= 4.5V, 5.0V, 5.5V
= –0.1V
+70 C
0 C
1n
1n
1n
–40 C
A
= 25 C, unless otherwise noted.)
10n
10n
10n
TPC 1. V
LOG
+85 C
for Several Supply Voltages
100n
100n
100n
+25 C
INPUT – A
INPUT – A
INPUT – A
+25 C
+85 C
–40 C
LOG
1
1
1
vs. I
10
10
10
PD
+70 C
100
100
100
0 C
1m
1m
1m
10m
10m
10m
LOG
–4–
TPC 6. Logarithmic Conformance (Linearity) for a
3 V Single Supply (See Figure 6)
0.510
0.508
0.506
0.504
0.502
0.500
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
100p
100p
0
+25 C
+85 C
–40 C
T
T
V
T
A
A
P
A
= –40 C, +25 C, +85 C
= –40 C, +25 C, +85 C
= 3.0V
= –40 C, +25 C, +85 C
1
1n
1n
2
10n
10n
TPC 4. V
TPC 5. V
3
100n
100n
4
INPUT – mA
INPUT – A
INPUT – A
SUM
PDB
1
1
5
vs. I
vs. I
–40 C
+25 C
+85 C
6
10
10
PD
PD
7
100
100
–40 C
+25 C
+85 C
8
1m
1m
9
10m
10m
REV. A
10
1.25
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00