Datasheet AD734 (Analog Devices) - 8

AD734 0 5 4 VS = ±15V TEST INPUT = 1V RMS X = 1.4V RMS –20 U = 2V 3 Y = 10V OTHER INPUT = 2V DC RLOAD = 500Ω 2 CLOAD = 20pF, 47pF, 100pF B) INCREASING ) –40 d ( 1 CLOAD Bc E d UT 0 HD ( X INPUT IT T L –60 P –1 M Y INPUT A –2 –80 –3
8 02
–4
031 7- 7- 82 00
–5
082 0
1k 10k 100k 1M 10M 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz)
Figure 10. THD vs. Frequency, U = 2 V Figure 13. Gain vs. Frequency vs. CLOAD
0 TEST INPUT = 7V RMS –20 OTHER INPUT = 10V DC 0 RLOAD ≥2kΩ –30 rees) ) –40 eg –60 Bc (D d T –90 X INPUT IF HD ( T –60 –120 VS = ±15V Y INPUT SE SH A X = 1.4V RMS –150 Y = 10V PH RLOAD = 500Ω –80 –180 CLOAD = 20pF, 47pF, 100pF INCREASING –210
32 0 029
CLOAD
27- 27- 08 008 0
1k 10k 100k 1M 10M 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz)
Figure 11. THD vs. Frequency, U = 10 V Figure 14. Phase vs. Frequency vs. CLOAD
0 –20 FREQUENCY = 1MHz VP = +15V VN = –15V RLOAD = 2kΩ –40 INCREASING Bc) d CLOAD HD ( X INPUT. Y = 10V DC T –60 Y INPUT. X = 10V DC –80
30 0 7- -033 82
5V 50ns –100
827 00
–10dBm 10dBm 30dBm
00
70.7mV RMS 707mV RMS 7V RMS SIGNAL LEVEL
Figure 12. THD vs. Signal Level, f = 1 MHz Figure 15. Pulse Response vs. CLOAD, CLOAD = 0 pF, 47 pF, 100 pF, 200 pF Rev. E | Page 8 of 20 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS FUNCTIONAL DESCRIPTION AVAILABLE TRANSFER FUNCTIONS DIRECT DENOMINATOR CONTROL OPERATION AS A MULTIPLIER Standard Multiplier Connections Current Output Squaring and Frequency-Doubling OPERATION AS A DIVIDER Feedback Divider Connections Connections for Square-Rooting DIVISION BY DIRECT DENOMINATOR CONTROL A PRECISION AGC LOOP WIDEBAND RMS-TO-DC CONVERTER USING U INTERFACE LOW DISTORTION MIXER OUTLINE DIMENSIONS ORDERING GUIDE