LTC5582_15 datasheet(5/16 Pages) LINER

Part #	LTC5582

Description	40MHz to 10GHz RMS Power Detector with 57dB Dynamic Range

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Manufacturer	LINER [Linear Technology]

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LTC5582

5582f

Typical perForMance characTerisTics

Output Voltage, Linearity Error vs

RF Input Power, 880MHz

Output Voltage Temperature

Variation from 25°C, 880MHz

Linear Error vs RF Input Power,

Modulated Waveforms, 880MHz

Output Voltage, Linearity Error vs

RF Input Power, 2140MHz

Output Voltage Temperature

Variation from 25°C, 2140MHz

Linear Error vs RF Input Power,

Modulated Waveforms, 2140MHz

Output Voltage, Linearity Error vs

RF Input Power, 450MHz

Output Voltage Temperature

Variation from 25°C, 450MHz

Linear Error vs RF Input Power,

Modulated Waveforms, 450MHz

VCC = 3.3V, EN = 3.3V, TA = 25°C unless otherwise

noted. Test circuits shown in Figure 1.

RF INPUT POWER (dBm)

–65

2.8

2.4

1.6

0.8

2.0

1.2

0.4

3

2

0

–2

1

–1

–3

–25

–45

–5

5582 G03

5

–35

–55

–15

TA = 85°C

TA = 25°C

TA = –40°C

Rt1 = 12k

Rt2 = 2k

RF INPUT POWER (dBm)

–65

2.8

2.4

1.6

0.8

2.0

1.2

0.4

3

2

0

–2

1

–1

–3

–25

–45

–5

5582 G06

5

–35

–55

–15

Rt1 = 12k

Rt2 = 2k

TA = 85°C

TA = 25°C

TA = –40°C

RF INPUT POWER (dBm)

–65

3

2

0

–2

1

–1

–3

–25

–45

–5

5582 G04

5

–35

–55

–15

TA = 85°C

TA = –40°C

Rt1 = 12k

Rt2 = 2k

RF INPUT POWER (dBm)

–65

3

2

0

–2

1

–1

–3

–25

–45

–5

5582 G05

5

–35

–55

–15

TA = 25°C

4-CARRIER WCDMA

CW

3-CARRIER CDMA2K

RF INPUT POWER (dBm)

–65

3

2

0

–2

1

–1

–3

–25

–45

–5

5582 G07

5

–35

–55

–15

TA = 85°C

TA = –40°C

Rt1 = 12k

Rt2 = 2k

RF INPUT POWER (dBm)

–65

3

2

0

–2

1

–1

–3

–25

–45

–5

5582 G08

5

–35

–55

–15

TA = 25°C

4-CARRIER WCDMA

CW

3-CARRIER CDMA2K

RF INPUT POWER (dBm)

–65

2.8

2.4

1.6

0.8

2.0

1.2

0.4

3

2

0

–2

1

–1

–3

–25

–45

–5

5582 G09

5

–35

–55

–15

Rt1 = 0

Rt2 = 2k

TA = 85°C

TA = 25°C

TA = –40°C

RF INPUT POWER (dBm)

–65

3

2

0

–2

1

–1

–3

–25

–45

–5

5582 G10

5

–35

–55

–15

TA = 85°C

TA = –40°C

Rt1 = 0

Rt2 = 2k

RF INPUT POWER (dBm)

–65

3

2

0

–2

1

–1

–3

–25

–45

–5

5582 G11

5

–35

–55

–15

TA = 25°C

4-CARRIER WCDMA

CW

3-CARRIER CDMA2K

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