THS3201D datasheet(17/29 Pages) TI

17 / 29 page

THS3201

SLOS416A − JUNE 2003 − REVISED JANUARY 2004

www.ti.com

POWER SUPPLY

The performance of the THS3201 is dependent upon the

power supply. Slew rate, bandwidth, and distortion are

graphed against the power supply to highlight this

dependence. As the power supply is increased from

±5 V

±7.5 V, the slew rate increases, the bandwidth

increases, and the distortion improves.

1000

2000

3000

4000

5000

6000

7000

8000

VO − Output Voltage Step − VPP

910

Rise

VS = ± 5 V

RF = 715 Ω

9000

10000

11000

Gain = +2

RL = 100 Ω

Rise

VS = ± 7.5 V

RF = 768 Ω

Fall

VS = ± 5 V

RF = 715 Ω

Fall

VS = ± 7.5 V

RF = 768 Ω

Figure 57. Slew Rate vs Output Voltage Step

−95

−90

−85

−80

−75

−70

−65

−60

−55

f − Frequency − MHz

100

−50

−45

Gain = +2

RL = 100 Ω

VO = 2 VPP

VS = ± 5 V

RF = 715 Ω

VS = ± 7.5 V

RF = 768 Ω

Figure 58. 2nd Harmonic Distortion vs Frequency

−100

−90

−85

−80

−75

−70

−65

−60

−55

f − Frequency − MHz

100

−50

−95

Gain = +2

RL = 100 Ω

VO = 2 VPP

VS = ± 5 V

RF = 715 Ω

VS = ± 7.5 V

RF = 768 Ω

Figure 59. 3rd Harmonic Distortion vs Frequency

100

1 k

10 k

f − Frequency − Hz

Gain = +2

RL = 100 Ω

VO = 2 VPP

VS = ± 7.5 V

RF = 768 Ω

VS = ± 5 V

RF = 715 Ω

Figure 60. Noninverting Small Signal

Frequency Response

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