OPA689M datasheet(8/23 Pages) TI2

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HARMONIC DISTORTION vs FREQUENCY

−40

−45

−50

−55

−60

−65

−70

−75

−80

−90

HD2

HD3

V O = 2Vp-p

L = 500

Ω

Frequency (Hz)

10M

20M

HARMONIC DISTORTION NEAR LIMIT VOLTAGES

Limit Voltage (V)

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2.0

V O = 0 V DC 1 Vp

f 1 = 5 MHz

R L = 500 Ω

HD2

HD3

−40

−45

−50

−55

−60

−65

−70

−75

−80

−90

2ND HARMONIC DISTORTION vs OUTPUT SWING

Output Swing (Vp−p)

0.1

1.0

5.0

R L = 500 Ω

1 = 20MHz

f 1 = 10MHz

1 = 1MHz

1 = 5MHz

1 = 2MHz

−40

−45

−50

−55

−60

−65

−70

−75

−80

−90

3RD HARMONIC DISTORTION vs OUTPUT SWING

Output Swing (Vp−p)

0.1

1.0

5.0

R L = 500 Ω

f 1 = 20MHz

f 1 = 10MHz

f 1 = 5MHz

f 1 = 2MHz

1 = 1MHz

−40

−45

−50

−55

−60

−65

−70

−75

−80

−90

HARMONIC DISTORTION vs LOAD RESISTANCE

Load Resistance (

Ω )

100

1000

V O = 2 Vp-p

f 1 = 5 MHz

HD2

HD3

−40

−45

−50

−55

−60

−65

−70

−75

−80

−85

−90

21.6

18.6

15.6

12.6

9.6

6.6

3.6

0.6

−2.4

−5.4

−8.4

LARGE SIGNAL FREQUENCY RESPONSE

Frequency (Hz)

0.1

10M

100M

G = +6

≤ 0.5Vp−p

2Vp−p

OPA689M

GAIN +4 STABLE WIDEBAND

VOLTAGE-LIMITING AMPLIFIER

SGLS146B – MARCH 2003 – REVISED DECEMBER 2006

TYPICAL CHARACTERISTICS (continued)

Figure 7.

Figure 8.

Figure 9.

Figure 10.

Figure 11.

Figure 12.

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