LT5558 데이터 시트보기 (PDF) - Linear Technology
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LT5558 Datasheet PDF : 16 Pages
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LT5558
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage ........................................................5.5V
Common-Mode Level of BBPI, BBMI and
BBPQ, BBMQ .......................................................2.5V
Voltage on any Pin
Not to Exceed....................–500mV to (VCC + 500mV)
Operating Ambient Temperature
(Note 2) ............................................... –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
PACKAGE/ORDER INFORMATION
TOP VIEW
16 15 14 13
EN 1
12 GND
GND 2
11 RF
LO 3
10 GND
GND 4
9 GND
5678
ORDER PART NUMBER
LT5558EUF
UF PART MARKING
5558
UF PACKAGE
16-LEAD (4mm × 4mm) PLASTIC QFN
TJMAX = 125°C, θJA = 37°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE
SOLDERED TO PCB
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 specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS VCC = 5V, EN = High, TA = 25°C, fLO = 900MHz, fRF = 902MHz,
PLO = 0dBm. BBPI, BBMI, BBPQ, BBMQ CM input voltage = 2.1VDC, baseband input frequency = 2MHz, I and Q 90° shifted
(upper sideband selection). PRF(OUT) = –10dBm, unless otherwise noted. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
RF Output (RF)
fRF
RF Frequency Range
–3 dB Bandwidth
–1 dB Bandwidth
600 to 1100
680 to 960
S22, ON
S22, OFF
RF Output Return Loss
RF Output Return Loss
EN = High (Note 6)
EN = Low (Note 6)
–15.8
–13.3
NFloor
GP
RF Output Noise Floor
Conversion Power Gain
No Input Signal (Note 8)
PRF = 4dBm (Note 9)
PRF = 4dBm (Note 10)
POUT/PIN,I&Q
–158
–152.7
–152.3
9.7
GV
Conversion Voltage Gain
20 • Log (VOUT, 50Ω/VIN, DIFF, I or Q)
–5.1
POUT
G3LO vs LO
OP1dB
Absolute Output Power
3 • LO Conversion Gain Difference
Output 1dB Compression
1VP-P DIFF CW Signal, I and Q
(Note 17)
(Note 7)
–1.1
–26.5
7.8
OIP2
Output 2nd Order Intercept
(Notes 13, 14)
65
OIP3
Output 3rd Order Intercept
(Notes 13, 15)
22.4
IR
Image Rejection
(Note 16)
–49
LOFT
EVM
Carrier Leakage
(LO Feedthrough)
GSM Error Vector Magnitude
EN = High, PLO = 0dBm (Note 16)
EN = Low, PLO = 0dBm (Note 16)
PRF = 2dBm
–43.7
–60
0.6
LO Input (LO)
fLO
LO Frequency Range
PLO
LO Input Power
600 to 1100
–10
0
5
2
UNITS
MHz
MHz
dB
dB
dBm/Hz
dBm/Hz
dBm/Hz
dB
dB
dBm
dB
dBm
dBm
dBm
dBc
dBm
dBm
%
MHz
dBm
5558fa
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