lt5571 Linear Technology Corporation, lt5571 Datasheet - Page 2

• Manufacturer Part Number: lt5571
• Description: 620mhz - 1100mhz High Linearity Direct Quadrature Modulator
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
LT5571
(Note 1)
Supply Voltage .........................................................5.5V
Common-Mode Level of BBPI, BBMI and
Operating Ambient Temperature
Storage Temperature Range ................... –65°C to 125°C
Voltage on any Pin
Note: The baseband input pins should not be left fl oating.
P
sideband selection). P
SYMBOL
RF Output (RF)
f
S
S
NFloor
G
P
G
OP1dB
OIP2
OIP3
IR
LOFT
2
RF
22, ON
22, OFF
OUT
V
3LO vs LO
LO
BBPQ, BBMQ .......................................................0.6V
(Note 2) ............................................... –40°C to 85°C
Not to Exceed ...................... –500mV to V
= 0dBm. BBPI, BBMI, BBPQ, BBMQ CM input voltage = 0.5V
PARAMETER
RF Frequency Range
RF Frequency Range
RF Output Return Loss
RF Output Return Loss
RF Output Noise Floor
Conversion Voltage Gain
Absolute Output Power
3 • LO Conversion Gain Difference
Output 1dB Compression
Output 2nd Order Intercept
Output 3rd Order Intercept
Image Rejection
Carrier Leakage (LO Feedthrough)
RF(OUT)
= –10dBm, unless otherwise noted. (Note 3)
CC
CONDITIONS
–3dB Bandwidth
–1dB Bandwidth
EN = High (Note 6)
EN = Low (Note 6)
No Input Signal (Note 8)
P
P
20 • Log (V
1V
(Note 17)
(Note 7)
(Notes 13, 14)
(Notes 13, 15)
(Note 16)
EN = High, P
EN = Low, P
+ 500mV
OUT
OUT
P-P DIFF
= 4dBm (Note 9)
= 4dBm (Note 10)
V
CC
CW Signal, I and Q
= 5V, EN = High, T
OUT, 50Ω
DC
LO
LO
, Baseband Input Frequency = 2MHz, I & Q 90° shifted (upper
= 0dBm (Note 16)
= 0dBm (Note 16)
PACKAGE/ORDER INFORMATION
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
/V
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
IN, DIFF, I or Q
ORDER PART NUMBER
LT5571EUF
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
A
)
= 25°C, f
16-LEAD (4mm × 4mm) PLASTIC QFN
GND
GND
EN
LO
LO
http://www.linear.com/leadfree/
T
JMAX
1
2
3
4
= 900MHz, f
MIN
16 15 14 13
= 125°C, θ
5
UF PACKAGE
TOP VIEW
6
17
0.65 to 1.04
0.62 to 1.1
7
JA
–153.3
–152.9
–25.5
= 37°C/W
–159
12.7
11.6
–4.2
–0.2
63.8
21.7
TYP
RF
–53
–42
–61
8
8.1
UF PART MARKING
= 902MHz,
12
11
10
9
GND
RF
GND
GND
5571
MAX
dBm/Hz
dBm/Hz
dBm/Hz
UNITS
dBm
dBm
dBm
dBm
dBm
dBm
5571f
GHz
GHz
dBc
dB
dB
dB
dB