Datasheet ADL5304 (Analog Devices) - 8

ADL5304 Data Sheet 3.5 3 1mA 100µA 3.0 10µA 2 1µA 100nA 2.5 10nA B 1nA /d 1 (V) 100pA T 2.0 PU ; 10mV T 0 U B) d O 1.5 G R ( 1mA LOV –1 100µA RRO 1.0 E 10µA 1µA 100nA –2 0.5 10nA 1nA 100pA 0 –3
009 010
1p 10p 100p 1n 10n 100n 1μ 10μ 100μ 1m 10m 1p 10p 100p 1n 10n 100n 1μ 10μ 100μ 1m 10m I I DEN CURRENT (A)
09459-
DEN CURRENT (A)
09459- Figure 9. VLOG vs. IDEN for Multiple Values of INUM Figure 12. Law Conformance Error vs. IDEN for Multiple Values of INUM (Decade Steps from 100 pA to 1 mA) (Decade Steps from 100 pA to 1 mA)
3.0 3.0 +3σ ±3σ +85°C 2.5 –3σ 2.5 ±3σ –40°C 2.0 2.0 1.5 1.5 B B /d 1.0 /d 1.0 0.5 0.5 ; 10mV ; 10mV 0 B) 0 B) d d R ( –0.5 R ( –0.5 –1.0 –1.0 RRO RRO E E –1.5 –1.5 –2.0 –2.0 –2.5 –2.5 –3.0 –3.0
065
1p 10p 100p 1n 10n 100n 1μ 10μ 100μ 1m 10m 1p 10p 100p 1n 10n 100n 1μ 10μ 100μ 1m 10m
013
INUM (A) I
09459-
NUM (A)
09459- Figure 10. Law Conformance Error Distribution vs. INUM Figure 13. Law Conformance Error Distribution vs. INUM for −40°C and +85°C (3 σ Either Side of Mean) (3 σ Either Side of Mean)
3.0 5 +3σ 2.5 ±3σ 70°C 4 –3σ ±3σ 0°C 2.0 3 1.5 B ) 2 /d 1.0 V m 1 0.5 T ( E ; 10mV 0 B) 0 d R ( –0.5 T OFFS –1 U –1.0 P RRO IN E –2 –1.5 –3 –2.0 –4 –2.5 –3.0 –5
011
1p 10p 100p 1n 10n 100n 1μ 10μ 100μ 1m 10m –40 –20 0 20 40 60 80
014
INUM (A) TEMPERATURE (°C)
09459- 09459- Figure 11. Law Conformance Error Distribution vs. INUM for 0°C and 70°C Figure 14. (VINUM − VSUM) vs. INUM for Multiple Temperatures (3 σ Either Side of Mean) Rev. A | Page 8 of 32 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION SIMPLIFIED BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS TERMINOLOGY THEORY OF OPERATION BASIC CONCEPTS OPTICAL MEASUREMENTS Decibel Scaling CIRCUIT DESCRIPTION Bandwidth vs. Current Noise vs. Current Filtering to Improve Noise and Dynamic Behavior Photodiode Bias Reference Outputs Buffer Amplifier Setting the Log Slope and Intercept Slope Inversion Log Ratio Operation APPLICATIONS INFORMATION USING THE ADL5304 Using the Adaptive Bias Summing Node Voltage Leakage VLOG Output Dynamic Response USING A NEGATIVE SUPPLY EVALUATION BOARD SCHEMATIC AND SILKSCREENS OUTLINE DIMENSIONS ORDERING GUIDE