LTC5593
28
5593f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2011
LT 1011 • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART
NUMBER DESCRIPTION COMMENTS
Infrastructure
LTC5569 300MHz to 4GHz Dual Active Downconverting Mixer 2dB Gain, 26.7dBm IIP3 and 11.7dB NF at 1950MHz, 3.3V/180mA Supply
LT5527 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
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 Gain Range –14dB to 17dB
LTC554X 600MHz to 4GHz Downconverting Mixer Family 8dB Gain, >25dBm IIP3, 10dB NF, 3.3V/200mA Supply
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
LTC5590 Dual 600MHz to 1.7GHz Downconverting Mixer 8.7dB Gain, 26dBm IIP3, 9.7dB Noise Figure
LTC5591 Dual 1.3GHz to 2.3GHz Downconverting Mixer 8.5dB Gain, 26.2dBm IIP3, 9.9dB Noise Figure
LTC5592 Dual 1.6GHz to 2.7GHz Downconverting Mixer 8.3dB Gain, 27.3dBm IIP3, 9.8dB Noise Figure
RF Power Detectors
LT5534 50MHz to 3GHz Log Detector ±1dB over Temperature, 38ns Response Time, 60dB Dynamic Range
LT5581 6GHz Low Power RMS Detector 40dB Dynamic Range, ±1dB Accuracy Over Temperature, 1.5mA Supply Current
LTC5583 Dual 6GHz RMS Detector
Up to 60dB Dynamic Range, >50dB Isolation, Difference Output for
VSWR Measurement
ADCs
LTC2285 14-Bit, 125Msps Dual ADC 72.4dB SNR, >88dB SFDR, 790mW Power Consumption
LTC2185 16-Bit, 125Msps Dual ADC Ultralow Power 76.8dB SNR, 185mW/Channel Power Consumption
LTC2242-12 12-Bit, 250Msps ADC 65.4dB SNR, 78dB SFDR, 740mW Power Consumption
Extended frequency range 3.7GHz to 4.5GHz, low side LO, V
CC
= 3.3V, V
CCIF
= 3.3V,
ENA = high, ENB = I
SEL
= low, T
C
= 25°C, P
LO
= 0dBm, P
RF
= –3dBm (–3dBm/tone for 2-tone IIP3 Tests, ∆f = 2MHz), IF = 305MHz
Conversion Gain, IIP3 and SSB NF
vs RF Frequency
IFA
50Ω
4:1
56nH
1000pF
22pF
1µF
22pF 1µF
0.5pF
2.2nH
LTC5593
CHANNEL A
CHANNEL B NOT SHOWN
1
192021222324
LO
50Ω
17
18
16
154
3
RFA
50Ω
V
CCIF
3.3V
V
CC
3.3V
TO
CHANNEL B
TO
CHANNEL B
2.2pF
2
IFGNDAGND
IFA
+
IFA
–
IFBA
LO
GND
I
SEL
ENA
V
CCA
RFA
CTA
GND
GND
5593 TA02a
56nH
I
SEL
ENA
1.1pF
3.3nH
RF FREQUENCY (MHz)
3.7
C
(dB), SSB NF (dB), IIP3 (dBm)
20
26
24
22
4.4
5593 TA02b
16
18
12
10
8
6
14
4
3.8
4.0
4.2
4.3
3.9
4.1
4.64.5
4.7
IIP3
NF
G
C
