AD8305ACPZ-RL7 Analog Devices Inc, AD8305ACPZ-RL7 Datasheet - Page 7

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

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

Figure 10. Law Conformance Error vs. I
Figure 9. V
–0.1
–0.2
–0.3
–0.4
–0.1
–0.2
–0.3
–0.4
–0.5
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.5
0.4
0.3
0.2
0.1
0.4
0.3
0.2
0.1
0
0
0
1n
1n
1n
LOG
10n
10n
10n
vs. I
REF
100n
Figure 11. V
100n
100n
for Multiple Values of I
+3V, 0V
+5V, 0V
+9V, 0V
+3V, –0.5V
+5V, –5V
10 nA to 1 mA)
10nA
Annotations)
1µ
100nA
1µ
1µ
I
I
I
REF
PD
PD
INPT
1µA
(A)
(A)
PD
− V
(A)
for Various Supply Conditions (See
10µ
10µ
10µ
10µA
SUM
100µA
vs. I
PD
100µ
1mA
100µ
100µ
PD
(Decade Steps from
+12V, 0V
1m
1m
1m
10m
10m
10m
Rev. B | Page 7 of 24
Figure 12. Law Conformance Error vs. I
–0.1
–0.2
–0.3
–0.4
–0.5
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.5
0.4
0.3
0.2
0.1
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0
–20
–20
1n
Figure 14. Pulse Response − I
Figure 13. Pulse Response − I
100µA
0
0
10µA
100nA TO 1µA:T-RISE = 30µs,
T-FALL = 5µs
10µA TO 100µA:T-RISE = 1µs,
T-FALL = < 1µs
100µA TO 1mA:T-RISE = <1µs,
T-FALL = < 1µs
10n
T-FALL = 1µs
1µATO 10µA:T-RISE = 5µs,
100µA TO 1mA:T-RISE = <1µs,
T-FALL = < 1µs
10µA TO 10µA:T-RISE = <1µs,
T-FALL = < 1µs
100nA TO 1µA:T-RISE = 5µs,
T-FALL = 20µs
1µATO 10µA:T-RISE = 1µs,
T-FALL = 5µs
10nA TO 100nA:T -RISE = 30µs,
T-FALL = 20µs
10nA TO 100nA:T -RISE = 20µs,
T-FALL = 30µs
20
20
1mA
100n
Steps from 10 nA to 1 mA)
40
40
60
60
1µ
TIME (µs)
TIME (µs)
I
REF
80
80
REF
(A)
10nA
10µ
for Multiple Values of I
100
100
REF
PD
to V
to V
120
120
100µ
100nA
OUT
OUT
(G = 1)
(G = 1)
140
140
1m
1µA
160
160
AD8305
PD
10m
180
180
(Decade