Datasheet AD8079 (Analog Devices) - 4

AD8079 1 0 RL = 100
Ω
SIDE 2 +5V 10µF –1 VIN = 50mV rms SIDE 1 –2 0.1µF 0.1 –3 7 2 0 –4 AD8079 8 –0.1 –5 V 0.1µF IN 1 RL = 100
Ω
6 PULSE –0.2 –6 50
Ω
SIDE 2 GENERATOR 10µF 50
Ω
SIDE 1 –0.3 –7 50
Ω
T –5V R/TF = 250ps –0.4 –8 NORMALIZED FREQUENCY RESPONSE – dB NORMALIZED FLATNESS – dB –0.5 –9 1M 10M 100M 1G FREQUENCY – Hz
Figure 3. Test Circuit Figure 6. Frequency Response and Flatness
–50 RL = 100
Ω
100mV STEP –60 SIDE 1 –70 2ND HARMONIC –80 3RD HARMONIC DISTORTION – dBc –90 –100 SIDE 2 20mV 5ns –110 10k 100k 1M 10M 100M FREQUENCY – Hz
Figure 4. 100 mV Step Response Figure 7. Distortion vs. Frequency, RL = 100 Ω
–60 RL = 1k
Ω
1V STEP VOUT = 2Vp-p –70 SIDE 1 –80 2ND HARMONIC –90 3RD HARMONIC –100 DISTORTION – dBc SIDE 2 –110 200mV 5ns –120 10k 100k 1M 10M 100M FREQUENCY – Hz
Figure 5. 1 V Step Response Figure 8. Distortion vs. Frequency, RL = 1 kΩ –4– REV. A