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OPA699

+5V

-5V

V

1k

Ω

24.9

Ω

1k

Ω

1k

Ω

0.01

µF

10pF

10pF

0.01

µF

24.9

Ω

100

Ω

100

Ω

OPA699

+5V

-5V

900

Ω

+1.1V

-1.1V

IN

V

CM

ADC

IN

+1.1V

4V

PP

-1.1V

100

Ω

S0040-02

PRECISION HALF-WAVE RECTIFIER

OPA699

6

V

O

V

-V

+V

V

IN

2

3

4

7

8

5

750

Ω

150

Ω

75

Ω

50

Ω

Source

S0039-02

OPA699M

SGLS289A – MAY 2005 – REVISED MARCH 2006

APPLICATION INFORMATION (continued)

Figure 53. Single to Differential AC-Coupled, High Gain Output Limited ADC Driver

left open, while the negative limit is set to ground.

The gain for the circuit in Figure 54 is set at +6. Figure 55 shows input and output for ±0.5 V 100-MHz input.

Figure 54. Precision Half-Wave Rectifier

22

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