LTC5507 datasheet(8/16 Pages) LINER

Part #	LTC5507

Description	800MHz to 2.7GHz High Linearity Direct Conversion Quadrature Demodulator

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT5575

8

5575f

DC OFFSET (mV)

5575 G34

15

20

40

30

25

35

10

5

0

6

4

2

0

–2

–4

–6

–8

–10

–40

°C

25

°C

85

°C

0

5

15

20

25

50

35

10

40

45

30

CONVERSION GAIN (dB)

5575 G28

4.4

4.3

4.2

4.1

4

3.9

3.8

TA = 25°C

IIP3 (dBm)

21.4

24.6

5575 G29

15

20

30

25

10

5

0

21.8 22.2 22.6 23 23.4 23.8 24.2

25

–40

°C

25

°C

85

°C

DSB NOISE FIGURE (dB)

5575 G30

15

20

35

30

25

10

5

0

13

12.9

12.8

12.7

12.6

12.5

12.4

12.3

12.2

12.1

TA = 25°C

30

40

60

20

10

0

50

AMPLITUDE MISMATCH (mdB)

60

5575 G31

–20

0

20

40

80

–40

°C

25

°C

85

°C

PHASE MISMATCH (

°)

–1.2

15

20

25

2.0

5575 G32

10

5

0

–0.8 –0.4 0

0.4 0.8 1.2 1.6

2.2

–40

°C

25

°C

85

°C

20

25

30

15

10

0

5

40

35

DC OFFSET (mV)

5575 G33

8

10

12

14

24

616

18

–40

°C

25

°C

85

°C

TYPICAL AC PERFORMANCE CHARACTERISTICS V

CC = 5V, EN = High, TA = 25ºC, PRF = –10dBm

(–10dBm/tone for 2-tone IIP2 and IIP3 tests), fBB = 1MHz (0.9MHz and 1.1MHz for 2-tone tests), PLO = 0dBm, unless otherwise noted.

Test Circuit Shown in Figure 1 (Note 6).

Conversion Gain Distribution

at 1900MHz

IIP3 Distribution at 1900MHz

vs Temperature

Noise Figure Distribution

at 1900MHz

I/Q Amplitude Mismatch Distribution

at 1900MHz vs Temperature

I/Q Phase Mismatch Distribution

at 1900MHz vs Temperature

I-Output DC Offset Voltage

Distribution vs Temperature

Q-Output DC Offset Voltage

Distribution vs Temperature

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