Datasheet AD605 (Analog Devices) - 9

AD605 1000 100 VGN = 2.9V 100 10 z) z) / H / H V V n n ( ( E E OIS OIS 10 N N 1.0 RSOURCE ALONE
9 16 0 01 1- 1- 54 54
1
00 00
0.1 0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9 1 10 100 1k VGN (V) RSOURCE (Ω)
Figure 15. Input Referred Noise vs. VGN Figure 18. Input Referred Noise vs. RSOURCE
2.00 30 VGN = 2.9V VGN = 2.9V 1.95 25 1.90 B) d z) 1.85 ( E 20 / H V UR n 1.80 IG F E ISE ( 15 O 1.75 IS N NO 1.70 10 1.65
7 20 01 0 1- 1- 54 54
1.60
00
5
00
–40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 1 10 100 1k TEMPERATURE (°C) R SOURCE (Ω)
Figure 16. Input Referred Noise vs. Temperature Figure 19. Noise Figure vs. RSOURCE
1.90 60 VGN = 2.9V RS = 50Ω 1.85 50 1.80 B) 40 z) d ( H V/ RE n U 1.75 IG 30 E ( F IS E O IS N 1.70 NO 20 1.65 10
18 0 21 0 1- 1- 54 54
1.60
00
0
00
100k 1M 10M 0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9 FREQUENCY (Hz) VGN (V)
Figure 17. Input Referred Noise vs. Frequency Figure 20. Noise Figure vs. VGN Rev. F | Page 9 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS (PER CHANNEL) THEORY OF OPERATION DIFFERENTIAL LADDER (ATTENUATOR) AC COUPLING GAIN CONTROL INTERFACE FIXED GAIN AMPLIFIER AND INTERPOLATOR CIRCUITS—APPLYING AN ACTIVE FEEDBACK AMPLIFIER APPLICATIONS INFORMATION CONNECTING TWO AMPLIFIERS TO DOUBLE THE GAIN RANGE EVALUATION BOARD INPUT CONNECTIONS ADJUSTING GAIN, COMMON-MODE, AND REFERENCE LEVELS OUTPUT CONNECTIONS OUTLINE DIMENSIONS ORDERING GUIDE