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LTC5551IUF#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
LTC5551
1
5551fa
For more information www.linear.com/LTC5551
Typical applicaTion
DescripTion
300MHz to 3.5GHz
Ultra-High Dynamic Range
Downconverting Mixer
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
2.7GHz frequency range. The RF input can be matched for a
wide range of frequencies and the IF is usable up to 1GHz.
A low power mode is activated by pulling the ISEL pin high,
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.
The LTC5551’s high level of integration minimizes the
total solution cost, board space and system level variation,
while providing the highest dynamic range for demanding
receiver applications.
L, LT, LT C , LT M, 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.
FeaTures
applicaTions
n
+36dBm Input IP3
n
2.4dB Conversion Gain
n
Low Noise Figure: <10dB
n
+18dBm Ultra High Input P1dB
n
670mW Power Consumption
n
2.5V to 3.6V Operation
n
50Ω Single-Ended RF and LO Inputs
n
0dBm LO Drive Level
n
Low Power Mode
n
–40°C to 105°C Operation (T
C
)
n
Small Solution Size
n
Enable Pin
n
16-Lead (4mm × 4mm) QFN Package
n
GSM, LTE , LT E -Advanced Basestations
n
Repeaters
n
DPD Observation Receiver
n
Public Safety Radios, Military and Defense
n
Avionics Radios and TCAS Transponders
n
Active Phased-Array Antennas
n
White-Space Radio Receiver
Wideband Receiver Mixer Conversion Gain and IIP3
vs IF Frequency (Low-Side LO)
IF FREQUENCY (MHz)
70
9
IIP3 (dBm)
G
C
(dB)
12
18
21
24
39
90
5551 TA01b
15
30
33
36
27
1
6
3
4
5
2
270
110
130 150
170 190
210
230
250
G
C
NORMAL POWER MODE
LOW POWER MODE
IIP3
RF = 1770MHz TO 1970MHz
LO = 1700MHz
Z
IF
= 200Ω
IF
AMP
IF
BIAS
SYNTH
V
CC
3.3V
RF
IN
22pF0.56µF
470nH 470nH
475Ω 475Ω
1nF
1nF
BPF
LTC6416 LTC2208
RF LO
EN
22pF
EN
(0V/3.3V)
LTC5551
V
CC
V
CC
3.3V
LO
1700MHz
LTC6946
3.9pF
2.2pF
IF
+
IF
–
5551 TA01a
0.56µF
LO
ADC
7.5nH
LTC5551
2
5551fa
For more information www.linear.com/LTC5551
pin conFiguraTionabsoluTe MaxiMuM raTings
Supply Voltage (V
CC
, IF
+
, IF
–
) .....................................4V
Enable Input Voltage (EN) ................–0.3V to V
CC
+ 0.3V
Power Select Voltage (ISEL) ............–0.3V to V
CC
+ 0.3V
LO Input Power (0.2GHz to 3.5GHz) ................... +10dBm
LO Input DC Voltage ............................................ ±0.1V
RF Input Power (0.3GHz to 3.5GHz) ...................+20dBm
RF Input DC Voltage ............................................... ±0.1V
TEMP Diode Continuous DC Input Current .............10mA
TEMP Diode Input Voltage ........................................ ±1V
IFBIAS Voltage .........................................................2.5V
Operating Temperature Range (T
C
) ........ –40°C to 105°C
Storage Temperature Range .................. –65°C to 150°C
Junction Temperature (T
J
) .................................... 150°C
CAUTION: This part is sensitive to electrostatic discharge
(ESD). It is very important that proper ESD precautions
be observed when handling the LTC5551.
(Note 1)
16 15 14 13
5 6 7 8
TOP VIEW
17
GND
UF PACKAGE
16-LEAD (4mm × 4mm) PLASTIC QFN
9
10
11
12
4
3
2
1TP
RF
CT
GND
TEMP
GND
LO
GND
IFBIAS
IF
+
IF
–
GND
EN
V
CC
V
CC
ISEL
T
JMAX
= 150°C, θ
JC
= 6°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION CASE TEMPERATURE RANGE
LTC5551IUF#PBF LTC5551IUF#TRPBF 5551
16-Lead (4mm × 4mm) Plastic QFN
–40°C to 105°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
LTC5551
3
5551fa
For more information www.linear.com/LTC5551
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
C
= 25°C. V
CC
= 3.3V, EN = High, ISEL = Low, P
LO
= 0dBm, unless otherwise
noted. Test circuit shown in Figure 1. (Notes 2, 3)
PARAMETER CONDITIONS MIN TYP MAX UNITS
LO Input Frequency Range
l
200 to 3500 MHz
RF Input Frequency Range
l
300 to 3500 MHz
IF Output Frequency Range Requires External Matching 5 to 1000 MHz
RF Input Return Loss Z
O
= 50Ω, 1100MHz to 2700MHz, X1 = 7.5nH, C1 = 2.2pF >12 dB
LO Input Return Loss Z
O
= 50Ω, 1000MHz to 3500MHz, C2 = 3.9pF >12 dB
IF Output Impedance Differential at 153MHz 950Ω
||
1.2pF R
||
C
LO Input Power LO = 200MHz to 3500MHz –6 0 6 dBm
LO to RF Leakage LO = 200MHz to 3500MHz < –25 dBm
LO to IF Leakage LO = 200MHz to 3500MHz < –21 dBm
RF to LO Isolation RF = 300MHz to 3500MHz >55 dB
RF to IF Isolation RF = 300MHz to 3500MHz >23 dB
0.3GHz to 3.5GHz Downmixer Application: IF = 153MHz, ISEL = Low, unless otherwise noted. (Notes 2, 3)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Power Conversion Gain RF = 400MHz, High Side LO
RF = 850MHz, High Side LO
RF = 1950MHz, Low Side LO
RF = 2700MHz, Low Side LO
3.2
2.8
2.4
1.7
dB
dB
dB
dB
Conversion Gain Flatness RF = 1870MHz ±100MHz, LO = 1700MHz, IF = 170 ±100MHz ±0.2 dB
Conversion Gain vs T
emperature T
C
= –40°C to 105°C, RF = 1950MHz, Low Side LO –0.013 dB/°C
2-Tone Input 3
rd
Order Intercept
(∆f = 2MHz)
RF = 400MHz, High Side LO
RF = 850MHz, High Side LO
RF = 1950MHz, Low Side LO
RF = 2700MHz, Low Side LO
33.2
35.2
35.5
38.1
dBm
dBm
dBm
dBm
2-T
one Input 2
nd
Order Intercept
(∆f = 154MHz = f
IM2
)
RF = 400MHz (477MHz/323MHz), LO = 553MHz
RF = 850MHz (927MHz/773MHz), LO = 1053MHz
RF = 1950MHz (2027MHz/1873MHz), LO = 1797MHz
RF = 2700MHz (2777MHz/2623MHz), LO = 2547MHz
65.8
68.2
58.4
57.1
dBm
dBm
dBm
dBm
SSB Noise Figure RF = 400MHz, High Side LO
RF = 850MHz, High Side LO
RF = 1950MHz, Low Side LO
RF = 2700MHz, Low Side LO
10.6
9.1
9.7
10.9
dB
dB
dB
dB
SSB Noise Figure Under Blocking RF = 850MHz, High Side LO, 750MHz Blocker at 5dBm
RF = 1950MHz, Low Side LO, 2050MHz Blocker at 5dBm
16.5
16.9
dB
dB
1/2 IF Output Spurious Product
(f
RF
Offset to Produce Spur at f
IF
= 153MHz)
850MHz: RF = 926.5MHz at –3dBm, LO = 1003MHz
1950MHz: RF = 1873.5MHz at –3dBm, LO = 1797MHz
–66
–68
dBc
dBc
1/3 IF Output Spurious Product
(f
RF
Offset to Produce Spur at f
IF
= 153MHz)
850MHz: RF = 952MHz at –3dBm, LO = 1003MHz
1950MHz: RF = 1848MHz at –3dBm, LO = 1797MHz
–97
–93
dBc
dBc
Input 1dB Compression RF = 400MHz, High Side LO
RF = 850MHz, High Side LO
RF = 1950MHz, Low Side LO
RF = 2700MHz, Low Side LO
17.1
17.8
18.0
18.7
dBm
dBm
dBm
dBm
ac elecTrical characTerisTics
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
C
= 25°C.
V
CC
= 3.3V, EN = High, P
LO
= 0dBm, P
RF
= 0dBm (0dBm/tone for 2-tone tests), unless otherwise noted. Test circuit shown in Figure 1.
(Notes 2, 3)
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LTC5551IUF#PBF

Mfr. #:
Buy LTC5551IUF#PBF
Manufacturer:
Analog Devices Inc.
Description:
RF Mixer 300MHz - 3.5GHz Ultra-High Dynamic Range Downconverting Mixer
Lifecycle:
New from this manufacturer.
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