LTC5540 データシートの表示（PDF） - Linear Technology
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LTC5540 Datasheet PDF : 16 Pages
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LTC5540
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 (0.2GHz to 2GHz)................9dBm
LO1, LO2 Input DC Voltage.....................................±0.5V
RF Input Power (0.2GHz to 2GHz)........................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
LTC5540IUH#PBF
LTC5540IUH#TRPBF
5540
20-Lead (5mm × 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
CONDITIONS
MIN
TYP
MAX UNITS
LO Input Frequency Range
700 to 1200
MHz
RF Input Frequency Range
Low-Side LO
High-Side LO
800 to 1300
MHz
600 to 1100
MHz
IF Output Frequency Range
Requires External Matching
5 to 500
MHz
RF Input Return Loss
LO Input Return Loss
IF Output Return Loss
ZO = 50Ω, 600MHz to 1300MHz
ZO = 50Ω, 700MHz to 1200MHz
Requires External Matching
>12
dB
>12
dB
>12
dB
LO Input Power
LO to RF Leakage
LO to IF Leakage
LO Switch Isolation
RF to LO Isolation
RF to IF Isolation
fLO = 700MHz to 1200MHz
fLO = 700MHz to 1200MHz
fLO = 700MHz to 1200MHz
LO1 Selected, 700MHz < fLO < 1200MHz
LO2 Selected, 700MHz < fLO < 1200MHz
fRF = 600MHz to 1300MHz
fRF = 600MHz to 1300MHz
–4
0
6
dBm
<–30
dBm
<–37
dBm
>50
dB
>47
dB
>55
dB
>37
dB
5540f
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