LTC5542 查看數據表（PDF） - Linear Technology
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LTC5542 Datasheet PDF : 16 Pages
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LTC5542
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Mixer Supply Voltage (VCC1, VCC2)...........................3.8V
LO Switch Supply Voltage (VCC3).............................3.8V
IF Supply Voltage (IF+, IF –) ......................................5.5V
Shutdown Voltage (SHDN)................–0.3V to VCC +0.3V
LO Select Voltage (LOSEL)................–0.3V to VCC +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 (TJ) .................................... 150°C
PIN CONFIGURATION
TOP VIEW
NC 1
RF 2
CT 3
GND 4
SHDN 5
20 19 18 17 16
15 LO2
14 VCC3
21
GND
13 GND
12 GND
11 LO1
6 7 8 9 10
UH PACKAGE
20-LEAD (5mm s 5mm) PLASTIC QFN
TJMAX = 150°C, θJA = 34°C/W, θJC = 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
LTC5542IUH#PBF
LTC5542IUH#TRPBF
5542
20-Lead (5mm x 5mm) Plastic QFN
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/
TEMPERATURE RANGE
–40°C to 85°C
AC ELECTRICAL CHARACTERISTICS VCC = 3.3V, VCCIF = 3.3V, SHDN = Low, TA = 25°C, PLO = 0dBm,
unless otherwise noted. Test circuit shown in Figure 1. (Notes 2, 3, 4)
PARAMETER
LO Input Frequency Range
RF Input Frequency Range
IF Output Frequency Range
RF Input Return Loss
LO Input Return Loss
IF Output Return Loss
LO Input Power
LO to RF Leakage
LO to IF Leakage
LO Switch Isolation
RF to LO Isolation
RF to IF Isolation
CONDITIONS
Low-Side LO
High-Side LO
Requires External Matching
ZO = 50Ω, 1600MHz to 2700MHz
ZO = 50Ω, 1700MHz to 2500MHz
Requires External Matching
fLO = 1700MHz to 2500MHz
fLO = 1700MHz to 2500MHz
fLO = 1700MHz to 2500MHz
LO1 Selected, 1700MHz < fLO < 2500MHz
LO2 Selected, 1700MHz < fLO < 2500MHz
fRF = 1600MHz to 2700MHz
fRF = 1600MHz to 2700MHz
MIN
TYP
MAX
1700 to 2500
1900 to 2700
1600 to 2300
5 to 500
>12
>12
>12
–4
0
6
<–32
<– 40
49
52
>49
>35
UNITS
MHz
MHz
MHz
MHz
dB
dB
dB
dBm
dBm
dBm
dB
dB
dB
dB
5542f
2
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