Datasheet AD600, AD602 (Analog Devices) - 7

AD600/AD602 TYPICAL PERFORMANCE CHARACTERISTICS 0.45 10.0 0.35 9.8 9.6 0.25 ) 9.4 0.15 s B) n d Y ( 9.2 R ( 0.05 O LA E 9.0 RR –0.05 P D N E U 8.8 O AI G –0.15 GR 8.6 –0.25 8.4 –0.35
03 06 0
8.2
0 8- 8- 53 53
–0.45
00
8.0
00
–0.7 –0.5 –0.3 –0.1 0.1 0.3 0.5 0.7 –0.7 –0.5 –0.3 –0.1 0.1 0.3 0.5 0.7 GAIN CONTROL VOLTAGE (V) GAIN CONTROL VOLTAGE (V)
Figure 3. Gain Error vs. Gain Control Voltage Figure 6. AD600 and AD602 Typical Group Delay vs. VC
VG = 0V 10dB/DIV CENTER 20dB FREQ 1MHz 10kHz/DIV 17dB 0° –45° –90°
04 7 0 8- -00 53 38 00 05 0
100k 1M 10M 100M FREQUENCY (Hz)
Figure 4. AD600 Frequency and Phase Response vs. Gain Figure 7. Third-Order Intermodulation Distortion, VOUT = 2 V p-p, RL = 500 Ω
–1.0 –1.2 ) V –1.4 10dB IT ( M –1.6 LI 7dB E G –1.8 A LT –2.0 O 0° V –2.2 T U –45° –2.4 TP U O –2.6 –90° E IV –2.8 T A G –3.0 E
05
N
08 0 0 8-
–3.2
8- 53 53 00
–3.4
00
100k 1M 10M 100M 0 50 100 200 500 1000 2000 FREQUENCY (Hz) LOAD RESISTANCE (Ω)
Figure 5. AD602 Frequency and Phase Response vs. Gain Figure 8. Typical Output Voltage vs. Load Resistance (Negative Output Swing Limits First) Rev. F | Page 7 of 32 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION NOISE PERFORMANCE GAIN-CONTROL INTERFACE SIGNAL-GATING INPUTS COMMON-MODE REJECTION ACHIEVING 80 dB GAIN RANGE SEQUENTIAL MODE (MAXIMUM SNR) PARALLEL MODE (SIMPLEST GAIN-CONTROL INTERFACE) LOW RIPPLE MODE (MINIMUM GAIN ERROR) APPLICATIONS INFORMATION TIME-GAIN CONTROL (TGC) AND TIME-VARIABLE GAIN (TVG) INCREASING OUTPUT DRIVE DRIVING CAPACITIVE LOADS REALIZING OTHER GAIN RANGES ULTRALOW NOISE VCA LOW NOISE, 6 dB PREAMPLIFIER LOW NOISE AGC AMPLIFIER WITH 80 dB GAIN RANGE WIDE RANGE, RMS-LINEAR dB MEASUREMENT SYSTEM (2 MHz AGC AMPLIFIER WITH RMS DETECTOR) 100 dB TO 120 dB RMS RESPONDING CONSTANT BANDWIDTH AGC SYSTEMS WITH HIGH ACCURACY DECIBEL OUTPUTS 100 dB RMS/AGC SYSTEM WITH MINIMAL GAIN ERROR (PARALLEL GAIN WITH OFFSET) 120 dB RMS/AGC SYSTEM WITH OPTIMAL SNR (SEQUENTIAL GAIN) OUTLINE DIMENSIONS ORDERING GUIDE