THS4521 datasheet(11/66 Pages) TI2

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6.7 Typical Characteristics 5-V Single Supply

at Vs+ = 5 V, Vs– = GND, Vocm is open, 50-Ω single-ended input to differential output, gain = 2 V/V, Rload = 500 Ω, and TA ≈

25°C (unless otherwise noted)

Frequency (MHz)

100

1000

-9

-6

-3

D001

G=0.1

G=1

G=2

G=5

G=10

. Rf = 402 Ω, see Figure 7-1 and Table 8-1 for resistor values

Figure 6-1. Small-Signal Frequency Response vs Gain

Frequency (MHz)

100

1000

-12

-9

-6

-3

D002

Vo=100 mVpp

Vo=500 mVpp

Vo=1 Vpp

Vo=2 Vpp

Vo=5 Vpp

. See Figure 7-1

Figure 6-2. Frequency Response vs Vopp

Frequency (MHz)

100

1000

D003

Vocm=1.0 V

Vocm=1.5 V

Vocm=2.0 V

Vocm=2.5 V

Vocm=3.0 V

Vocm=3.5 V

Vout = 100 mVPP , see Figure 7-1 with Vocm adjusted

Figure 6-3. Small-Signal Frequency Response vs Vocm

Frequency (MHz)

100

1000

D004

RL=50 :

RL=100 :

RL=200 :

RL=500 :

RL=1000 :

Vout = 100 mVPP , see Figure 7-1 with RL adjusted

Figure 6-4. Small-Signal Frequency Response vs Rload (RL)

Frequency (MHz)

100

1000

D005

Cload=10 pF, Ro = 24.9 :

Cload=22 pF, Ro = 16 :

Cload=51 pF, Ro = 9.1 :

Cload=100 pF, Ro = 5.4 :

100 mVPP at load, Av = 2 (see Figure 7-11), two series Ro

added at output before Cload

Figure 6-5. Small-Signal Frequency Response vs Cload

Cload (pF)

100

D006

Av=2

Av=4

Av=10

Ro is two series output resistors to a differential Cload in

parallel with 500 Ω, see Figure 7-11 and Table 8-1

Figure 6-6. Recommended Ro vs Cload

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THS4541

SLOS375B – AUGUST 2014 – REVISED FEBRUARY 2024

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