LTC5541IUH データシートの表示（PDF） - Linear Technology
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LTC5541IUH Datasheet PDF : 16 Pages
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LTC5541
TYPICAL APPLICATION
Wideband Receiver
1nF
190MHz
SAW
190MHz
BPF
VCCIF
1nF
IF
3.3V or 5V
1μF
22pF 150nH 150nH
AMP
ADC
RF
1920MHz
TO
1980MHz
IF+ IF–
IMAGE
IF
BPF 2.2pF
RF
LNA
LTC5541
LO
22pF
LO2
SYNTH 2
ALTERNATE LO FOR
FREQUENCY-HOPPING
SHDN
(0V/3.3V)
VCC 3.3V
BIAS
SHDN
VCC2
VCC1
1μF
22pF
22pF
VCC3
LO1
LOSEL
LO SELECT
(0V/3.3V)
SYNTH 1
LO
1760MHz
5541 TA03
Wideband Conversion Gain, IIP3
and NF vs IF Output Frequency
8.8
28
8.6
RF = 1950 ±30MHz
8.4 LO = 1760MHz
8.2
PLO = 0dBm
TEST CIRCUIT IN FIGURE 1
8.0
IIP3 26
24
22
20
7.8 GC
18
7.6
16
7.4
14
7.2
12
7.0
6.8
160
170 180 190 200 210
IF OUTPUT FREQUENCY (MHz)
10
NF
8
220
5541 TA04
RELATED PARTS
PART NUMBER
Infrastructure
LT5527
LTC6400-X
LTC6401-X
LTC6416
LTC6412
LT5554
LT5557
DESCRIPTION
400MHz to 3.7GHz,
5V Downconverting Mixer
300MHz Low Distortion IF Amp/ADC Driver
140MHz Low Distortion IF Amp/ADC Driver
2GHz 16-Bit ADC Buffer
31dB Linear Analog VGA
Ultralow Distort IF Digital VGA
400MHz to 3.8GHz 3.3V Downconverting Mixer
LT5575
700MHz to 2.7GHz Direct Conversion I/Q
Demodulator
LT5578
400MHz to 2.7GHz High Linearty Upconverting
Mixer
LT5579
1.5GHz to 3.8GHz High Linearity Upconverting
Mixer
LTC5598
5MHz to 1.6GHz I/Q Modulator
RF Power Detectors
LT5534
50MHz to 3GHz Log RF Power Detector with
60dB Dynamic Range
LT5537
Wide Dynamic Range Log RF/IF Detector
LT5570
2.7GHz Mean-Squared Detector
LT5581
ADCs
LTC2208
LTC2262-14
LTC2242-12
6GHz Low Power RMS Detector
16-Bit, 130Msps ADC
14-Bit, 150Msps ADC Ultralow Power at 1.8V
Supply
12-Bit, 250Msps ADC
COMMENTS
2.3dB Conversion Gain, 23.5dBm IIP3 and 12.5dB NF at 1900MHz,
5V/78mA Supply
Fixed Gain of 8dB, 14dB, 20dB and 26dB; >36dBm OIP3 at 300MHz, Differential I/O
Fixed Gain of 8dB, 14dB, 20dB and 26dB; >40dBm OIP3 at 140MHz, Differential I/O
40.25dBm OIP3 to 300MHz, Programmable Fast Recovery Output Clamping
35dBm OIP3 at 240MHz, Continuous Gain Range –14dB to 17dB
48dBm OIP3 at 200MHz, 2dB to 18dB Gain Range, 0.125dB Gain Steps
2.9dB Conversion Gain, 24.7dBm IIP3 and 11.7dB NF at 1950MHz,
3.3V/82mA Supply
Integrated Baluns, 28dBm IIP3, 13dBm P1dB, 0.03dB I/Q Amplitude Match,
0.4° Phase Match
27dBm OIP3 at 900MHz, 24.2dBm at 1.95GHz, Integrated RF Transformer
27.3dBm OIP3 at 2.14GHz, NF = 9.9dB, 3.3V Supply, Single-Ended LO and RF Ports
27.7dBm OIP3 at 140MHz, 22.9dBm at 900MHz, –161.2dBm/Hz Noise Floor
±1dB Output Variation over Temperature, 38ns Response Time, Log Linear
Response
Low Frequency to 1GHz, 83dB Log Linear Dynamic Range
±0.5dB Accuracy Over Temperature and >50dB Dynamic Range, Fast 500ns
Rise Time
40dB Dynamic Range, ±1dB Accuracy Over Temperature, 1.5mA Supply Current
78dBFS Noise Floor, >83dB SFDR at 250MHz
72.8dB SNR, 88dB SFDR, 149mW Power Consumption
65.4dB SNR, 78dB SFDR, 740mW Power Consumption
5541f
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LT 1209 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2009
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