THS4521 datasheet(12/51 Pages) TI

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7.7 Typical Characteristics: (VS+) – (VS–) = 5 V

at TA ≈ 25°C, VOCM pin = open, RF = 1.5 kΩ, RL = 1 kΩ, VO = 2 VPP, 50-Ω input match, G = 1 V/V, PD = VS+, single-ended

input (SE-in), differential output (diff-out), and input and output referenced to default midsupply for AC-coupled tests (unless

otherwise noted); see Figure 8-1 for a gain of 1-V/V test circuit.

Frequency (Hz)

-12

-9

-6

-3

100k

10M

100M

D019

G = 0.5 V/V

G = 1 V/V

G = 2 V/V

G = 5 V/V

G = 10 V/V

VO = 200 mVPP, see Figure 8-1 and Table 10-1 for resistor

values

Figure 7-15. Small-Signal Frequency Response vs Gain

Frequency (Hz)

-12

-9

-6

-3

100k

10M

100M

D020

VO = 0.2 VPP

VO = 1 VPP

VO = 2 VPP

VO = 4 VPP

VO = 8 VPP

See Figure 8-1

Figure 7-16. Frequency Response vs VO

Frequency (Hz)

-12

-9

-6

-3

100k

10M

100M

D021

VOCM = 1 V

VOCM = 2 V

VOCM = 2.5 V

VOCM = 3 V

VOCM = 3.5 V

VO = 200 mVPP, see Figure 8-1 with VOCM adjusted

Figure 7-17. Small-Signal Frequency Response vs VOCM

Frequency (Hz)

-12

-9

-6

-3

100k

10M

100M

D022

RL = 150 :

RL = 500 :

RL = 1 k:

RL = 2 k:

RL = 10 k:

VO = 200 mVPP, see Figure 8-1 with RL adjusted

Figure 7-18. Small-Signal Frequency Response vs RL

Frequency (Hz)

-0.5

-0.4

-0.3

-0.2

-0.1

0.1

0.2

0.3

0.4

0.5

100k

10M

D073

G = 0.5 V/V

G = 1 V/V

G = 2 V/V

G = 5 V/V

G = 10 V/V

VO = 200 mVPP

Figure 7-19. Gain Flatness vs Frequency

Frequency (Hz)

0.1

100

10k

100k

D070

1/f corners: en = 8 Hz, in = 700 Hz

Figure 7-20. Input Noise Density vs Frequency

THS4561

SBOS874C – AUGUST 2017 – REVISED DECEMBER 2020

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