VCA2615

SBOS316D − JULY 2005 − REVISED OCTOBER 2008

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9

TYPICAL CHARACTERISTICS (continued)

All specifications at TA = +25°C, VDD = 5V, load resistance = 500Ω on each output to ground; the input to the preamp (LNP) is single-ended;

Figure 19

1000

100

10

1

0.1

INPUT−REFERRED NOISE vs V

CNTL

(Hi VGA Gain, R

V

LNP 11

LNP 10

LNP 00

LNP 01

Figure 20

100

10

1

NOISE FIGURE vs V

CNTL

(Lo VGA Gain, R

V

LNP 11

LNP 10

LNP 00

LNP 01

Figure 21

100

10

1

NOISE FIGURE vs V

CNTL

(Hi VGA Gain, R

V

LNP 11

LNP 10

LNP 00

LNP 01

Figure 22

1000

100

10

1

OUTPUT−REFERRED NOISE vs V

CNTL

(VGA Only, R

V

Figure 23

1000

100

10

1

INPUT−REFERRED NOISE vs V

CNTL

(VGA Only)

V

High Gain

Lo Gain

Figure 24

10

1

INPUT−REFERRED NOISE vs FREQUENCY

(VGA Only)

Frequency (MHz)

110