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LT5560EDD#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P28
LT5560
1
5560f
0.01MHz to 4GHz
Low Power Active Mixer
The LT
®
5560 is a low power, high performance broad-
band active mixer. This double-balanced mixer can be
driven by a single-ended LO source and requires only
–2dBm of LO power. The balanced design results in
low LO leakage to the output, while the integrated input
amplifi er provides excellent LO to IN isolation. The sig-
nal ports can be impedance matched to a broad range
of frequencies, which allows the LT5560 to be used as
an up- or down-conversion mixer in a wide variety of
applications.
The LT5560 is characterized with a supply current of 10mA;
however, the DC current is adjustable, which allows the
performance to be optimized for each application with a
single resistor. For example, when biased at its maximum
supply current (13.4mA), the typical upconverting mixer
IIP3 is +10.8dBm for a 900MHz output.
■
Portable Wireless
■
CATV/DBS Receivers
■
WiMAX Radios
■
PHS Basestations
■
RF Instrumentation
■
Microwave Data Links
■
VHF/UHF 2-Way Radios
■
Up or Downconverting Applications
■
Noise Figure: 9.3dB Typical at 900MHz Output
■
Conversion Gain: 2.4dB Typical
■
IIP3: 9dBm Typical at I
CC
= 10mA
■
Adjustable Supply Current: 4mA to 13.4mA
■
Low LO Drive Level: –2dBm
■
Single-Ended or Differential LO
■
High Port-to-Port Isolation
■
Enable Control with Low Off-State Leakage Current
■
Single 2.7V to 5V Supply
■
Small 3mm × 3mm DFN Package
Low Cost 900MHz Downconverting Mixer
APPLICATIO S
U
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
IF
OUT
and IM3 Levels
vs RF Input Power
1
2
3
4
8
9
7
6
5
IN
+
IN
–
LO
–
ENEN
OUT
+
OUT
–
LO
+
U1
LT5560
PGND
RF
IN
900MHz
LO
IN
760MHz
IF
OUT
140MHz
V
CC
15nH
100pF
100pF
4.7pF
6.8nH
270nH
5560 TA01
270nH
15nH
6.8nH
270nH
1nF
1µF
2.7V TO 5.3V
33pF4.7pF
100pF 4.7pF
4.7pF
RF INPUT POWER (dBm)
–80
POWER LEVEL (dBm/Tone)
–60
–20
10
–70
–40
0
–30
–50
–10
–16 –12 –8 –4
5560 TA02
0–18–20 –14 –10 –6 –2
IM3
IF
OUT
T
A
= 25°C
V
CC
= 3V
I
CC
= 13.3mA
f
LO
= 760MHz
f
IF
= 140MHz
LT5560
2
5560f
DC ELECTRICAL CHARACTERISTICS
Supply Voltage .........................................................5.5V
Enable Voltage ................................ –0.3V to V
CC
+ 0.3V
LO Input Power (Differential) .............................+10dBm
Input Signal Power (Differential) ........................+10dBm
IN
+
, IN
–
DC Currents ..............................................10mA
OUT
+
, OUT
–
DC Current .........................................10mA
T
JMAX
.................................................................... 125°C
Operating Temperature Range .................–40°C to 85°C
Storage Temperature Range ...................–65°C to 125°C
(Note 1)
V
CC
= 3V, EN = 3V, T
A
= 25°C, unless otherwise noted. Test circuit
shown in Figure 1. (Note 3)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Power Supply Requirements (V
CC
)
Supply Voltage 2.7 3 5.3 V
Supply Current V
CC
= 3V, R1 = 3Ω 10 12 mA
Shutdown Current EN = 0.3V, V
CC
= 3V 0.1 10 µA
Enable (EN) Low = Off, High = On
EN Input High Voltage (On) 2V
EN Input Low Voltage (Off) 0.3 V
Enable Pin Input Current EN = 3V
EN = 0.3V
25
0.1
µA
µA
Turn On Time 2µs
Turn Off Time 5µs
ABSOLUTE AXI U RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UUW
TOP VIEW
DD PACKAGE
8-LEAD (3mm × 3mm) PLASTIC DFN
5
6
7
8
4
3
2
1LO
–
EN
IN
+
IN
–
LO
+
V
CC
OUT
+
OUT
–
9
T
JMAX
= 125°C, θ
JA
= 43°C/W
EXPOSED PAD (PIN 9) IS GND
MUST BE SOLDERED TO PCB
ORDER PART NUMBER DD PART MARKING
LT5560EDD LCBX
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
AC ELECTRICAL CHARACTERISTICS
PARAMETER CONDITIONS MIN TYP MAX UNITS
Signal Input Frequency Range (Note 4) Requires External Matching < 4000 MHz
LO Input Frequency Range (Note 4) Requires External Matching < 4000 MHz
Signal Output Frequency Range (Note 4) Requires External Matching < 4000 MHz
(Notes 2 and 3)
LT5560
3
5560f
AC ELECTRICAL CHARACTERISTICS
V
CC
= 3V, EN = 3V, T
A
= 25°C, P
IN
= –20dBm (–20dBm/tone for 2-tone
IIP3 tests, Δf = 1MHz), P
LO
= –2dBm, unless otherwise noted. Test circuits are shown in Figures 1, 2 and 3. (Notes 2 and 3)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Signal Input Return Loss Z
= 50Ω, External Match 15 dB
LO Input Return Loss Z
= 50Ω, External Match 15 dB
Signal Output Return Loss Z
= 50Ω, External Match 15 dB
LO Input Power –6 to 1 dBm
PARAMETER CONDITIONS MIN TYP MAX UNITS
Conversion Gain f
IN
= 70MHz, f
OUT
= 450MHz
f
IN
= 140MHz, f
OUT
= 900MHz
f
IN
= 140MHz, f
OUT
= 1900MHz
2.7
2.4
1.2
dB
dB
dB
Conversion Gain vs Temperature T
A
= –40°C to 85°C, f
OUT
= 900MHz – 0.015 dB/°C
Input 3rd Order Intercept f
IN
= 70MHz, f
OUT
= 450MHz
f
IN
= 140MHz, f
OUT
= 900MHz
f
IN
= 140MHz, f
OUT
= 1900MHz
9.6
9.0
8.0
dBm
dBm
dBm
Input 2nd Order Intercept f
IN
= 70MHz, f
OUT
= 450MHz
f
IN
= 140MHz, f
OUT
= 900MHz
f
IN
= 140MHz, f
OUT
= 1900MHz
46
47
30
dBm
dBm
dBm
Single Sideband Noise Figure f
IN
= 70MHz, f
OUT
= 450MHz
f
IN
= 140MHz, f
OUT
= 900MHz
f
IN
= 140MHz, f
OUT
= 1900MHz
8.8
9.3
10.3
dB
dB
dB
IN to LO Isolation (with LO Applied) f
IN
= 70MHz, f
OUT
= 450MHz
f
IN
= 140MHz, f
OUT
= 900MHz
f
IN
= 140MHz, f
OUT
= 1900MHz
69
64
64
dB
dB
dB
LO to IN Leakage f
IN
= 70MHz, f
OUT
= 450MHz
f
IN
= 140MHz, f
OUT
= 900MHz
f
IN
= 140MHz, f
OUT
= 1900MHz
–63
–54
–36
dBm
dBm
dBm
LO to OUT Leakage f
IN
= 70MHz, f
OUT
= 450MHz
f
IN
= 140MHz, f
OUT
= 900MHz
f
IN
= 140MHz, f
OUT
= 1900MHz
–44
–41
–36
dBm
dBm
dBm
Input 1dB Compression Point f
IN
= 70MHz, f
OUT
= 450MHz
f
IN
= 140MHz, f
OUT
= 900MHz
f
IN
= 140MHz, f
OUT
= 1900MHz
0.4
–2.8
–0.8
dBm
dBm
dBm
Upconverting Mixer Confi guration: V
CC
= 3V, EN = 3V, T
A
= 25°C, P
IN
= –20dBm (–20dBm/tone for 2-tone IIP3 tests, Δf = 1MHz), P
LO
=
–2dBm, unless otherwise noted. High side LO for 450MHz tests, low side LO for 900MHz and 1900MHz tests. Test circuits are shown in
Figures 1 and 3. (Notes 2, 3 and 5)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Conversion Gain f
IN
= 450MHz, f
OUT
= 70MHz
f
IN
= 900MHz, f
OUT
= 140MHz
f
IN
= 1900MHz, f
OUT
= 140MHz
2.7
2.6
2.3
dB
dB
dB
Conversion Gain vs Temperature T
A
= – 40°C to 85°C, f
IN
= 900MHz – 0.015 dB/°C
Input 3rd Order Intercept f
IN
= 450MHz, f
OUT
= 70MHz
f
IN
= 900MHz, f
OUT
= 140MHz
f
IN
= 1900MHz, f
OUT
= 140MHz
10.1
9.7
5.6
dBm
dBm
dBm
Single Sideband Noise Figure f
IN
= 450MHz, f
OUT
= 70MHz
f
IN
= 900MHz, f
OUT
= 140MHz
f
IN
= 1900MHz, f
OUT
= 140MHz
10.5
10.1
10.8
dB
dB
dB
Downconverting Mixer Confi guration: V
CC
= 3V, EN = 3V, T
A
= 25°C, P
IN
= –20dBm (–20dBm/tone for 2-tone IIP3 tests, Δf = 1MHz),
P
LO
= –2dBm, unless otherwise noted. High side LO for 450MHz tests, low side LO for 900MHz and 1900MHz tests. Test circuits are
shown in Figures 2 and 3. (Notes 2, 3 and 5)
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LT5560EDD#PBF

Mfr. #:
Buy LT5560EDD#PBF
Manufacturer:
Analog Devices Inc.
Description:
RF Mixer 0.01MHz to 4GHz L Pwr Active Mixer
Lifecycle:
New from this manufacturer.
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