AFE5804 datasheet(14/60 Pages) TI

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TYPICAL CHARACTERISTICS

0.1

1.2

(V)

CNTL

0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1

PGA= 30dB

PGA= 25dB

PGA= 20dB

PGA= 27dB

TGCIMode

LowNoise

Frequency(MHz)

1.0

5.5

30.0

Frequency(MHz)

10.0

14.5

19.0

23.5

28.0

300

250

200

150

100

0.1

1.2

(V)

CNTL

0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1

PGA= 30dB

PGA= 20dB

Frequency=2MHz

TGCIMode,LowNoise

300

250

200

150

100

0.1

1.2

(V)

CNTL

0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1

Frequency=5MHz

TGCIMode,LowNoise

PGA= 30dB

PGA= 20dB

350

300

250

200

150

100

0.1

1.2

(V)

CNTL

0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1

PGA= 30dB

PGA= 20dB

Frequency=2MHz

TGCIIMode,LowNoise

AFE5804

SBOS442A – JUNE 2008 – REVISED SEPTEMBER 2008 ................................................................................................................................................ www.ti.com

AVDD_5V = 5.0V, AVDD1 = VDD2 = DVDD = 3.3V, LVDD = 1.8V, single-ended input into LNA, ac-coupled with 1.0

µF,

VCNTL = 1.0V, fIN 5MHz, Clock = 40MSPS, 50% duty cycle, internal reference mode, ISET = 56kΩ, LVDS buffer setting =

3.5mA, at ambient temperature TA = +25°C, unless otherwise noted.

GAIN vs VCNTL AT 5MHz

12.5MHz FILTER RESPONSE

Figure 1.

Figure 2.

17MHz FILTER RESPONSE

OUTPUT-REFERRED NOISE vs VCNTL

Figure 3.

Figure 4.

OUTPUT-REFERRED NOISE vs VCNTL

Figure 5.

Figure 6.

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