LMH2121TMX datasheet(10/30 Pages) TI

Part #	LMH2121TMX

Description	LMH2121 3 GHz Fast-Responding Linear Power Detector with 40 dB Dynamic Range

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Manufacturer	TI [Texas Instruments]

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RF INPUT POWER (dBm)

85°C

-40°C

-30

-20

-10

0

10

20

2.0

1.5

1.0

0.5

0.0

-0.5

-1.0

-1.5

-2.0

-30

-20

-10

0

10

20

2.0

1.5

1.0

0.5

0.0

-0.5

-1.0

-1.5

-2.0

RF INPUT POWER (dBm)

-40°C

85°C

RF INPUT POWER (dBm)

-30

-20

-10

0

10

20

3

2

1

0

-1

-2

-3

-40°C

85°C

-30

-20

-10

0

10

20

3

2

1

0

-1

-2

-3

85°C

RF INPUT POWER (dBm)

-40°C

25°C

RF INPUT POWER (dBm)

85°C

-40°C

-30

-20

-10

0

10

20

2.0

1.5

1.0

0.5

0.0

-0.5

-1.0

-1.5

-2.0

-40

-30

-20

-10

0

10

20

10

1

0.1

0.01

RF INPUT POWER (dBm)

-40°C

25°C

85°C

LMH2121

SNVS876A – AUGUST 2012 – REVISED MARCH 2013

www.ti.com

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

Unless otherwise specified TA = 25°C, VDD = 2.7V, RFIN = 1900 MHz CW (Continuous Wave, unmodulated). Specified errors

are input referred.

Temperature Variation (50 units)

vs. RF Input Power at 100 MHz

Output Voltage vs. RF Input Power at 700 MHz

Figure 21.

Figure 22.

Lin Conformance vs. RF Input Power at 700 MHz

Lin Conformance (50 units) vs. RF Input Power at 700 MHz

Figure 23.

Figure 24.

Temperature Variation (50 units)

Temperature Variation vs. RF Input Power at 700 MHz

vs. RF Input Power at 700 MHz

Figure 25.

Figure 26.

10

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