LTC5544
16
5544f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2012
LT 0312 • PRINTED IN USA
Typical applicaTion
relaTeD parTs
PART NUMBER DESCRIPTION COMMENTS
Infrastructure
LTC554X 600MHz to 6GHz 3.3V Downconverting Mixers 8dB Gain, 26dBm IIP3, 10dB NF, 3.3V/200mA Supply
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 Downconverting Mixer 2dB Gain, 26.8dBm IIP3 and 11.7dB NF at 1950MHz, 3.3V/180mA Supply
LTC6400-X 300MHz Low Distortion IF Amp/ADC Driver Fixed Gain of 8dB, 14dB, 20dB and 26dB; >36dBm OIP3 at 300MHz, Differential I/O
LTC6416 2GHz 16-Bit ADC Buffer 40dBm OIP3 to 300MHz, Programmable Fast Recovery Output Clamping
LTC6412 31dB Linear Analog VGA 35dBm OIP3 at 240MHz, Continuous Variable Gain Range –14dB to 17dB
LT5554 Ultralow Distort IF Digital VGA 48dBm OIP3 at 200MHz, 2dB to 18dB Gain Range, 0.125dB Gain Steps
LT5578 400MHz to 2.7GHz Upconverting Mixer 27dBm OIP3 at 900MHz, 24.2dBm at 1.95GHz, Integrated RF 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
RF Power Detectors
LTC5587 6GHz RMS Detector with 12-Bit ADC 40dB Dynamic Range, ±1dB Accuracy Over Temperature, 3mA Current, 500ksps
LT5581 6GHz Low Power RMS Detector 40dB Dynamic Range, ±1dB Accuracy Over Temperature, 1.5mA Supply Current
LTC5582 40MHz to 10GHz RMS Detector 57dB Dynamic Range, ±0.5dB Accuracy Over Temperature, ±0.2dB Linearity Error
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
LTC2285 Dual 14-Bit, 125Msps Low Power ADC 72.4dB SNR, 88dB SFDR, 790mW Power Consumption
LTC2268-14 Dual 14-Bit, 125Msps Serial Output ADC 73.1dB SNR, 88dB SFDR, 299mW Power Consumption
IF
RF
IN
50Ω
LO
IN
50Ω
IF
OUT
50Ω
BIAS
V
CCIF
3.3V
2.2nH
22pF
1µF
1000pF
TM4-1
(SYNERGY)
RF
SHDN
22pF
SHDN
V
CC1
V
CC
3.3V
V
CC2
LO
1.2pF
0.6pF
IF
+
IFGND TEMPIF
–
5544 TA02a
1µF
LO
1000pF
1000pF
3.3pF
22nH22nH
RF FREQUENCY (GHz)
4.9 5.1 5.3 5.5 5.7 5.9 6.1 6.3
5544 TA02b
10
28
30
IIP3 (dBm), SSB NF (dB)
24
26
20
16
12
22
18
14
0
9
10
G
C
(dB)
7
8
5
3
1
6
4
2
IIP3
G
C
SSB NF
IF = 900MHz
LOW SIDE LO
900MHz IF Output Matching
Conversion Gain,
IIP3 and NF vs RF Frequency
