THS4521 datasheet(16/66 Pages) TI2

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6.8 Typical Characteristics: 3-V Single Supply (continued)

at Vs+ = 3 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 (kHz)

0.1

-140

-130

-120

-110

-100

-90

-80

-70

-60

-50

D031

HD2

HD3

2-VPP output, see Figure 7-1 with Vs+ = 3 V, Vocm = 1.5 V

Figure 6-31. Harmonic Distortion Over Frequency

Differential Output Voltage (Vpp)

0.1

-120

-115

-110

-105

-100

-95

-90

-85

-80

-75

-70

D032

HD2

HD3

f = 10 MHz, see Figure 7-1 with Vs+ = 3 V, Vocm = 1.5 V

Figure 6-32. Harmonic Distortion vs Output Swing

Center of Two Input Test Frequencies (MHz)

0.1

-140

-130

-120

-110

-100

-90

-80

-70

-60

D033

Avg IMD3

Avg IMD2

1 VPP each tone, see Figure 7-1 with Vs+ = 3 V, Vocm = 1.5 V

Figure 6-33. IMD2 and IM3 Over Frequency

Differential Load Resistance (:)

100

1000

-100

-95

-90

-85

-80

-75

-70

D034

HD2

HD3

f = 10 MHz, see Figure 7-1 with Vs+ = 3 V, Vocm = 1.5 V

Figure 6-34. Harmonic Distortion vs Rload

Vocm Control Voltage (V)

0.5

1.5

2.5

-100

-95

-90

-85

-80

D035

HD2

HD3

f = 10 MHz, 2-VPP output,

see Figure 7-3 with Vocm adjusted

Figure 6-35. Harmonic Distortion vs Vocm

Gain (V/V)

-105

-100

-95

-90

-85

-80

-75

-70

D036

HD2

HD3

f = 10 MHz, 2-VPP output,

see Figure 7-1 and Table 8-1 for gain setting

Figure 6-36. Harmonic Distortion vs Gain

THS4541

SLOS375B – AUGUST 2014 – REVISED FEBRUARY 2024

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