THS4120IDR datasheet(7/31 Pages) NSC

Part #	THS4120IDR

Description	HIGH-SPEED FULLY DIFFERENTIAL I/O AMPLIFIERS

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Manufacturer	NSC [National Semiconductor (TI)]

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−120

−110

−100

−90

−80

−70

−60

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5th_HD

4th_HD

3rd_HD

2nd_HD

VDD = 3.3 V,

f = 1 MHz,

RL = 800 Ω,

Rf = 200 Ω,

G = 1

Single Input / Differential Output

VO − Output Voltage − V

−90

−80

−70

−60

−50

−40

−30

−20

−10

−25

−20

−15

−10

−5

0

5

10

VO − Output Voltage − V

f = 10 MHz

f = 5 MHz

VDD = 3.3 V,

f = 1 MHz

Rf = 270 Ω,

RL = 800 Ω

0.95

0.96

0.97

0.98

0.99

1

1.01

1.02

1.03

0

100

200

300

400

500

t − Time − ns

Settling Time,

1% = 40 ns,

0.1% = 60 ns,

0.01% = 292 ns

VDD = 3.3 V,

VO = 2 VPP,

RF = 330 Ω,

RL = 800 Ω,

G = 1

VDD = 3.3 V

−2

−1.5

−1

−0.5

0

0.5

1

1.5

2

Source

Sink

100

1k

10k

RL − Load Resistance − Ω

THS4120

THS4121

SLOS319D – FEBRUARY 2001 – REVISED OCTOBER 2004

THS4121

HARMONIC DISTORTION

THIRD INTERMODULALTION DISTORTION

vs

OUTPUT VOLTAGE

Figure 9.

Figure 10.

THS4121

OUTPUT VOLTAGE

vs

LOAD RESISTANCE

SETTLING TIME

Figure 11.

Figure 12.

7

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