MAX2310EEI datasheet(5/22 Pages) MAXIM

Part #	MAX2310EEI

Description	CDMA IF VGAs and I/Q Demodulators with VCO and Synthesizer

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Manufacturer	MAXIM [Maxim Integrated Products]

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CDMA IF VGAs and I/Q Demodulators

with VCO and Synthesizer

_______________________________________________________________________________________

5

20.00

25.00

22.50

30.00

27.50

32.50

35.00

2.5

3.5

4.0

3.0

4.5

5.0

5.5

RECEIVE SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

TA = +85°C

TA = +25°C

TA = -40°C

0

0.004

0.002

0.008

0.006

0.012

0.010

0.014

2.0

3.0

3.5

2.5

4.0

4.5

5.0

5.5

RECEIVE SHUTDOWN CURRENT vs.

SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

TA = -40°C

TA = +25°C

TA = +85°C

-80

-60

-40

-20

0

20

40

60

80

0.5

1.0

1.5

2.0

2.5

3.0

GAIN vs. VGC

VGC (V)

TA = +25°C

TA = -40°C

TA = +85°C

15

25

20

35

30

40

45

55

50

60

0

100

200

300

400

500

GAIN vs. INPUT FREQUENCY

FREQUENCY (MHz)

VGC = 2.5V

56.0

57.0

56.5

57.5

59.0

59.5

58.5

58.0

60.0

0

468

10

2

1214161820

GAIN vs. BASEBAND FREQUENCY

FREQUENCY (MHz)

-60

-40

-50

-20

-30

0

-10

10

-60

-20

0

-40

20406080

THIRD-ORDER INPUT

INTERCEPT vs. GAIN

GAIN (dB)

TA = -40°C

TA = +85°C

TA = +25°C

0

60

20

10

30

40

50

70

-40

-20 -10 0

-30

10 20

50

40

60

30

70

NOISE FIGURE vs. GAIN

GAIN (dB)

6.0

6.4

6.2

6.8

6.6

7.2

7.0

7.4

-40

0

20

-20

406080

100

NOISE FIGURE vs. TEMPERATURE

TEMPERATURE (°C)

LOCK

VCO

VOLTAGE

VCO VOLTAGE vs. TIME

MAX2310 toc09

TIME (500

μs/div)

SHDN

LOCK TIME

1.83ms

Typical Operating Characteristics

(MAX2310/MAX2314 or MAX2312/MAX2316 EV kit, VCC = +2.75V, registers set to default power-up states, fIN = 210.88MHz for

CDMA, fIN = 85.88MHz for FM, fREF = 19.68MHz, synthesizer locked with passive 2nd-order lead-lag loop filter, SHDN = high, VGC

set for +35dB voltage gain, differential output load = 10k

Ω, all power levels referred to 50Ω, TA = +25°C, unless otherwise noted.)

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