AFE5805 datasheet(16/51 Pages) TI

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1400

1300

1200

1100

1000

900

800

700

600

500

400

300

200

100

Frequency(MHz)

R =1kW

R =400W

R =200W

R =50W

=1.2V

CNTL

7.0

6.5

6.0

5.5

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

Frequency(MHz)

R =1kW

R =400W

R =200W

R =50W

=1.2V

CNTL

4.0

3.8

3.6

3.4

3.2

3.0

2.8

2.6

2.4

2.2

2.0

Frequency(MHz)

R =

400W

R =

1kW

R =200W

=1.2V

CNTL

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

Frequency(MHz)

R =1kW

R =400W

R =200W

R =50W

PGA=30dB

=1.2V

CNTL

1.30

1.28

1.26

1.24

1.22

1.20

1.18

1.16

1.14

1.12

1.10

Frequency(Hz)

100k

20M

10M

4000

3500

3000

2500

2000

1500

1000

500

Transconductance(mA/V)

AFE5805

SBOS421C – MARCH 2008 – REVISED OCTOBER 2008................................................................................................................................................. www.ti.com

TYPICAL CHARACTERISTICS (continued)

AVDD_5V = 5.0V, AVDD1 = AVDD2 = DVDD = 3.3V, LVDD = 1.8V, single-ended input into LNA, ac-coupled with 0.1

µF,

VCNTL = 1.0V, fIN = 5MHz, clamp disabled, LPF = 15MHz, clock = 40MSPS, 50% duty cycle, internal reference mode,

ISET = 56k

Ω, and LVDS buffer setting = 3.5mA, at ambient temperature TA = +25°C, unless otherwise noted.

OUTPUT-REFERRED NOISE vs FREQUENCY vs RS

INPUT-REFERRED NOISE vs FREQUENCY vs RS

Figure 13.

Figure 14.

CURRENT NOISE vs FREQUENCY OVER RSOURCE

NOISE FIGURE vs FREQUENCY vs RS

Figure 15.

Figure 16.

CW INPUT-REFERRED NOISE vs FREQUENCY

CW ACCURACY

Figure 17.

Figure 18.

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