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LT5568-2EUF-PBF Datasheet(PDF) 2 Page - Linear Technology

Part # LT5568-2EUF-PBF
Description  GSM/EDGE Optimized, High Linearity Direct Quadrature Modulator
Download  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT5568-2EUF-PBF Datasheet(HTML) 2 Page - Linear Technology

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LT5568-2
2
55682f
Supply Voltage .........................................................5.5V
Common Mode Level of BBPI, BBMI and
BBPQ, BBMQ .......................................................2.5V
Operating Ambient Temperature
(Note 2) ............................................... –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
Voltage on Any Pin
Not to Exceed...................... –500mV to VCC + 500mV
CAUTION: This part is sensitive to ESD. It is very
important that proper ESD precautions be observed
when handling the LT5568-2.
(Note 1)
ABSOLUTE
AXI U
RATI GS
VCC = 5V, EN = High, TA = 25°C, fLO = 900MHz, fRF = 902MHz, PLO = 0dBm.
BBPI, BBMI, BBPQ, BBMQ inputs 0.54VDC, Baseband Input Frequency = 2MHz, I&Q 90° shifted (upper side-band selection).
PRF, OUT = –10dBm, unless otherwise noted. (Note 3)
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RF Output (RF)
fRF
RF Frequency Range
RF Frequency Range
– 3dB Bandwidth
– 1dB Bandwidth
0.6 to 1.1
0.7 to 1
GHz
GHz
S22, ON
RF Output Return Loss
EN = High (Note 6)
– 16
dB
S22, OFF
RF Output Return Loss
EN = Low (Note 6)
– 18
dB
NFloor
RF Output Noise Floor
No Input Signal (Note 8)
POUT = 4dBm (Note 9)
POUT = 4dBm (Note 10)
– 159.4
–153
– 152.6
dBm/Hz
dBm/Hz
dBm/Hz
GP
Conversion Power Gain
POUT/PIN, I&Q
–9
– 6.8
–3
dB
GV
Conversion Voltage Gain
20 • Log (VOUT, 50Ω/VIN, DIFF, I or Q)
– 6.8
dB
POUT
Absolute Output Power
1VP-P DIFF CW Signal, I and Q
– 2.8
dBm
G3LO vs LO
3 • LO Conversion Gain Difference
(Note 17)
– 23
dB
OP1dB
Output 1dB Compression
(Note 7)
8.6
dBm
OIP2
Output 2nd Order Intercept
(Notes 13, 14)
59
dBm
OIP3
Output 3rd Order Intercept
(Notes 13, 15)
22.9
dBm
PIN CONFIGURATION
16 15 14 13
5
6
7
8
TOP VIEW
9
10
11
12
4
3
2
1
EN
GND
LO
GND
GND
RF
GND
GND
17
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 INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT5568-2EUF#PBF
LT5568-2EUF#TRPBF
55682
16-Lead (4mm × 4mm) Plastic QFN
– 40°C to 85°C
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/


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