LTC5551
24
5551fa
For more information www.linear.com/LTC5551
LINEAR TECHNOLOGY CORPORATION 2013
LT 1213 REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC5551
Typical applicaTion
Wideband 100Ω Differential IF Output Matching Conversion Gain and IIP3 vs
IF Frequency (Low Side LO)
relaTeD parTs
PART NUMBER DESCRIPTION COMMENTS
Mixers and Modulators
LT
®
5527 400MHz to 3.7GHz, 5V Downconverting Mixer 2.3dB Gain, 23.5dBm IIP3 and 12.5dB NF at 1900MHz, 5V/78mA Supply
LT5557 400MHz to 3.8GHz, 3.3V Downconverting Mixer 2.9dB Gain, 24.7dBm IIP3 and 11.7dB NF at 1950MHz, 3.3V/82mA Supply
LTC559x 600MHz to 4.5GHz Dual Downconverting Mixer
Family
8.5dB Gain, 26.5dBm IIP3, 9.9dB NF, 3.3V/380mA Supply
LTC5569 300MHz to 4GHz, 3.3V Dual Active
Downconverting Mixer
2dB Gain, 26.8dBm IIP3 and 11.7dB NF, 3.3V/180mA Supply
LTC554x 600MHz to 4GHz, 5V Downconverting Mixer Family 8dB Gain, >25dBm IIP3 and 10dB NF, 3.3V/200mA Supply
LT5578 400MHz to 2.7GHz Upconverting Mixer 27dBm OIP3 at 900MHz, 24.2dBm at 1.95GHz, Integrated RF Output Transformer
LT5579 1.5GHz to 3.8GHz Upconverting Mixer 27.3dBm OIP3 at 2.14GHz, NF = 9.9dB, 3.3V Supply, Single-Ended LO and RF Ports
LTC5588-1 200MHz to 6GHz I/Q Modulator 31dBm OIP3 at 2.14GHz, –160.6dBm/Hz Noise Floor
LTC5585 700MHz to 3GHz Wideband I/Q Demodulator >530MHz Demodulation Bandwidth, IIP2 Tunable to >80dBm, DC Offset Nulling
Amplifiers
LTC6430-15 High Linearity Differential IF Amp 20MHz to 2GHz Bandwidth, 15.2dB Gain, 50dBm OIP3, 3dB NF at 240MHz
LTC6431-15 High Linearity Single-Ended IF Amp 20MHz to 1.7GHz Bandwidth, 15.5dB
Gain, 47dBm OIP3, 3.3dB NF at 240MHz
LTC6412 31dB Linear Analog VGA 35dBm OIP3 at 240MHz, Continuous Gain Range –14dB to 17dB
LT5554 Ultralow Distortion IF Digital VGA 48dBm OIP3 at 200MHz, 2dB to 18dB Gain Range, 0.125dB Gain Steps
RF Power Detectors
LT5538 40MHz to 3.8GHz Log Detector ±0.8dB Accuracy Over T
emperature, –72dBm Sensitivity, 75dB Dynamic Range
LT5581 6GHz Low Power RMS Detector 40dB Dynamic Range, ±1dB Accuracy Over Temperature, 1.5mA Supply Current
LTC5582 40MHz to 10GHz RMS Detector ±0.5dB Accuracy Over Temperature, ±0.2dB Linearity Error, 57dB Dynamic Range
LTC5583 Dual 6GHz RMS Power Detector Up to 60dB Dynamic Range, ±0.5dB Accuracy Over Temperature, >50dB Isolation
ADCs
LTC2208 16-Bit, 130Msps ADC 78dBFS Noise Floor, >83dB SFDR at 250MHz
LTC2153-14 14-Bit, 310Msps Low Power ADC 68.8dBFS SNR, 88dB SFDR, 401mW Power Consumption
RF PLL/Synthesizer with VCO
LTC6946-1/
LTC6946-2/
LTC6946-
3
Low Noise, Low Spurious Integer-N PLL with
Integrated VCO
373MHz to 5.79GHz, –157dBc/Hz WB Phase Noise Floor, –100dBc/Hz Closed-Loop
Phase Noise
5551 TA02a
LTC5551
2MHz TO
2000MHz
COMBINER
RF
3.9pF
110Ω
110Ω
560nH
1nF
560nH
2.2pF
7.5nH
V
CC
LO
IF
+
IF
–
0°
180°
LO
1.8GHz
0dBm
RF
1.85GHz
TO
2.51GHz
10nF
1nF
IF
–
50Ω
IF
+
50Ω
22pF
0.56µF
3.3V
OUT
IF
OUT
50Ω
IF FREQUENCY (MHz)
50
12
21
IIP3 (dBm)
G
C
(dB)
24
15
18
39
110
5551 TA02b
30
27
36
33
–3
0
1
–2
–1
6
3
2
5
4
710170 230 290 350 410 470 530 590 650
IIP3
G
C
NORMAL POWER MODE
LOW POWER MODE
