Datasheet AD605 (Analog Devices) - 7

AD605 TYPICAL PERFORMANCE CHARACTERISTICS (PER CHANNEL)
VREF = 2.5 V (20 dB/V scaling), f = 1 MHz, RL = 500 Ω, CL = 5 pF, TA = 25°C, VSS = 5 V.
40 40.0 37.5 THEORETICAL 30 –40°C, +25°C, +85°C 35.0 ) 20 V B d 32.5 ACTUAL ) ( B G d ( IN 10 L 30.0 IN A C GA S IN 27.5 0 GA 25.0 –10
3
22.5
06 00 0 1- 1- 54 54
–20
00
20.0
00
0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9 1.25 1.50 1.75 2.00 2.25 2.50 VGN (V) VREF (V)
Figure 3. Gain vs. VGN Figure 6. Gain Scaling vs. VREF
50 3.0 2.5 40 2.0 1.5 30 FBK (OPEN) B) 1.0 –40°C ) d B 20 0.5 d R ( ( FBK (SHORT) IN RO 0 R GA 10 N E –0.5 +25°C AI G –1.0 +85°C 0 –1.5 –10 –2.0
04 0 07 1-
–2.5
0 1- 54 54
–20
00
–3.0
00
0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9 0.2 0.7 1.2 1.7 2.2 2.7 VGN (V) VGN (V)
Figure 4. Gain vs. VGN for Different Gain Ranges Figure 7. Gain Error vs. VGN at Three Temperatures
40 2.0 1.5 30 ACTUAL ACTUAL 30dB/V 1.0 (VREF = 1.67V) 20 B) f = 1MHz d 0.5 ) B R ( d O ( 10 20dB/V 0 IN RR (VREF = 2.50V) f = 5MHz GA N E AI –0.5 f = 10MHz 0 G –1.0 –10
5
–1.5
08 00 0 1- 1- 54 54
–2.0
00
–20
00
0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9 0.2 0.7 1.2 1.7 2.2 2.7 VGN (V) VGN (V)
Figure 5. Gain vs. VGN for Different Gain Scalings Figure 8. Gain Error vs. VGN at Three Frequencies Rev. F | Page 7 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