Datasheet > LTC5551

LTC5551

更新时间： 2023-12-20 18:44:43

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	434K
描述
300MHz 至 3.5GHz 超高动态范围下变频混频器

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LTC5551 数据手册

LTC5551

300MHz to 3.5GHz

Ultra-High Dynamic Range

Downconverting Mixer

DescripTion

FeaTures

The LTC^®5551 is a 2.5V to 3.6V mixer optimized for RF

downconverting mixer applications that require very high

dynamic range. The LTC5551 covers the 300MHz to

3.5GHz RF Frequency range with LO frequency range

of 200MHz to 3.5GHz. The LTC5551 provides very high

IIP3 and P1dB with low power consumption. A typical

application is a basestation receiver covering 700MHz to

2.7GHzfrequencyrange.TheRFinputcanbematchedfora

wide range of frequencies and the IF is usable up to 1GHz.

+36dBm Input IP3

2.4dB Conversion Gain

Low Noise Figure: <10dB

+18dBm Ultra High Input P1dB

670mW Power Consumption

2.5V to 3.6V Operation

50Ω Single-Ended RF and LO Inputs

0dBm LO Drive Level

Low Power Mode

–40°C to 105°C Operation (T )

AlowpowermodeisactivatedbypullingtheISELpinhigh,

reducing the power consumption by about 1/3, however,

with a corresponding reduction in IIP3 to approximately

+29dBm. The mixer can also be turned on or off by using

the EN pin.

Small Solution Size

Enable Pin

16-Lead (4mm × 4mm) QFN Package

applicaTions

The LTC5551’s high level of integration minimizes the

totalsolutioncost,boardspaceandsystemlevelvariation,

while providing the highest dynamic range for demanding

receiver applications.

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Protected by U.S. Patents, including 8558605.

GSM, LTE, LTE-Advanced Basestations

Repeaters

DPD Observation Receiver

Public Safety Radios, Military and Defense

Avionics Radios and TCAS Transponders

Active Phased-Array Antennas

White-Space Radio Receiver

Typical applicaTion

Wideband Receiver

Mixer Conversion Gain and IIP3

vs IF Frequency (Low-Side LO)

1nF

LTC6416

LTC2208

ADC

BPF

AMP

3.3V

470nH

475Ω

470nH

475Ω

0.56µF

22pF

IIP3

1nF

–

RF = 1770MHz TO 1970MHz

LO = 1700MHz

LTC5551

= 200Ω

LTC6946

SYNTH

3.9pF

2.2pF

1700MHz

7.5nH

NORMAL POWER MODE

LOW POWER MODE

(0V/3.3V)

BIAS

130 150

210

250 270

230

90 110

170 190

IF FREQUENCY (MHz)

5551 TA01b

5551 TA01a

3.3V

0.56µF

22pF

5551fa

For more information www.linear.com/LTC5551

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