AD8332ACP-R2 datasheet(15/56 Pages) AD

15 / 56 page

AD8331/AD8332/AD8334

Rev. G | Page 15 of 56

500

400

300

200

100

0.2

0.4

0.6

0.8

1.0

VGAIN (V)

HI GAIN

LO GAIN

AD8332

AD8334

AD8331

f = 10MHz

Figure 25. Output-Referred Noise vs. VGAIN

2.5

2.0

1.5

1.0

0.5

100k

10M

100M

FREQUENCY (Hz)

RS = 0, RIZ = ∞, VGAIN = 1V,

HILO = LO OR HI

Figure 26. Short-Circuit, Input-Referred Noise vs. Frequency

100

0.1

0.2

0.4

0.6

0.8

1.0

VGAIN (V)

RS = 0, RIZ = ∞,

HILO = LO OR HI, f = 10MHz

Figure 27. Short-Circuit, Input-Referred Noise vs. VGAIN

1.00

0.95

0.90

0.85

0.80

0.75

0.70

0.65

0.60

0.55

0.50

–50

–30

–10

TEMPERATURE (°C)

RS = 0, RIZ = ∞,

VGAIN = 1V, f = 10MHz

Figure 28. Short-Circuit, Input-Referred Noise vs. Temperature

0.1

100

SOURCE RESISTANCE (Ω)

f = 5MHz, RIZ = ∞,

VGAIN = 1V

RS THERMAL NOISE

ALONE

Figure 29. Input-Referred Noise vs. RS

100

SOURCE RESISTANCE (Ω)

INCLUDES NOISE OF VGA

RIN = 50Ω

RIN = 75Ω

RIN = 100Ω

RIN = 200Ω

RIZ = ∞

SIMULATED RESULTS

Figure 30. Noise Figure vs. RS for Various Values of RIN

AD8332ACP-R2 Datasheet(PDF) 15 Page - Analog Devices

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