LTC5542
2
5542f
PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS
Mixer Supply Voltage (V
CC1
, V
CC2
)...........................3.8V
LO Switch Supply Voltage (V
CC3
).............................3.8V
IF Supply Voltage (IF
+
, IF
–
) ......................................5.5V
Shutdown Voltage (SHDN) ................–0.3V to V
CC
+0.3V
LO Select Voltage (LOSEL) ................–0.3V to V
CC
+0.3V
LO1, LO2 Input Power (1GHz to 3GHz) ...................9dBm
LO1, LO2 Input DC Voltage ....................................±0.5V
RF Input Power (1GHz to 3GHz) ...........................15dBm
RF Input DC Voltage ............................................... ±0.1V
Operating Temperature Range .................–40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C
Junction Temperature (T
J
) .................................... 150°C
(Note 1)
20 19 18 17 16
6 7 8
TOP VIEW
21
GND
UH PACKAGE
20-LEAD (5mm s 5mm) PLASTIC QFN
9 10
5
4
3
2
1
11
12
13
14
15
NC
RF
CT
GND
SHDN
LO2
V
CC3
GND
GND
LO1
IFBIAS
IF
+
IF
–
GND
IFGND
V
CC2
LOBIAS
V
CC1
LOSEL
GND
T
JMAX
= 150°C, θ
JA
= 34°C/W, θ
JC
= 3°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC5542IUH#PBF LTC5542IUH#TRPBF 5542 20-Lead (5mm x 5mm) Plastic QFN –40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi
cations, go to: http://www.linear.com/tapeandreel/
AC ELECTRICAL CHARACTERISTICS
V
CC
= 3.3V, V
CCIF
= 3.3V, SHDN = Low, T
A
= 25°C, P
LO
= 0dBm,
unless otherwise noted. Test circuit shown in Figure 1. (Notes 2, 3, 4)
PARAMETER CONDITIONS MIN TYP MAX UNITS
LO Input Frequency Range 1700 to 2500 MHz
RF Input Frequency Range Low-Side LO
High-Side LO
1900 to 2700
1600 to 2300
MHz
MHz
IF Output Frequency Range Requires External Matching 5 to 500 MHz
RF Input Return Loss Z
O
= 50, 1600MHz to 2700MHz >12 dB
LO Input Return Loss Z
O
= 50, 1700MHz to 2500MHz >12 dB
IF Output Return Loss Requires External Matching >12 dB
LO Input Power f
LO
= 1700MHz to 2500MHz –4 0 6 dBm
LO to RF Leakage f
LO
= 1700MHz to 2500MHz <–32 dBm
LO to IF Leakage f
LO
= 1700MHz to 2500MHz <–40 dBm
LO Switch Isolation LO1 Selected, 1700MHz < f
LO
< 2500MHz
LO2 Selected, 1700MHz < f
LO
< 2500MHz
49
52
dB
dB
RF to LO Isolation f
RF
= 1600MHz to 2700MHz >49 dB
RF to IF Isolation f
RF
= 1600MHz to 2700MHz >35 dB