lt5572 Linear Technology Corporation, lt5572 Datasheet - Page 2

• Manufacturer Part Number: lt5572
• Description: 1.5ghz To 2.5ghz High Linearity Direct Quadrature Modulator
• Manufacturer: Linear Technology Corporation

ABSOLUTE AXI U RATI GS
LT5572
(Note 1)
Supply Voltage .........................................................5.5V
Common Mode Level of BBPI, BBMI
and BBPQ, BBMQ .....................................................0.6V
Voltage on Any Pin
Not to Exceed ........................–500mV to (V
Operating Ambient Temperature Range
(Note 2) .................................................... –40°C to 85°C
Storage Temperature Range ................... –65°C to 125°C
ELECTRICAL CHARACTERISTICS
BBPI, BBMI, BBPQ, BBMQ inputs 0.5V
P
SYMBOL
RF Output (RF)
f
S
S
NFloor
G
P
G
OP1dB
OIP2
OIP3
IR
LOFT
2
RF
22(ON)
22(OFF)
OUT
RF(OUT)
V
3LO VS LO
= –10dBm, unless otherwise noted. (Note 3)
PARAMETER
RF Frequency Range
RF Output Return Loss
RF Output Return Loss
RF Output Noise Floor
Conversion Voltage Gain
Output Power
3 • LO Conversion Gain Difference
Output 1dB Compression
Output 2nd Order Intercept
Output 3rd Order Intercept
Image Rejection
Carrier Leakage
(LO Feedthrough)
W
W W
DC
, baseband input frequency = 2MHz, I and Q 90° shifted (upper sideband selection).
CC
U
+ 500mV)
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
OUT
OUT
PP(DIFF)
V
= 4dBm (Note 9)
= 4dBm (Note 10)
CC
= 5V, EN = High, T
CW Signal, I and Q
OUT(50Ω)
LO
LO
= 0dBm (Note 16)
= 0dBm (Note 16)
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
/V
ORDER PART NUMBER
IN(DIFF) I or Q
LT5572EUF
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
= 2GHz, f
MIN
= 125°C, θ
16 15 14 13
5
UF PACKAGE
TOP VIEW
6
17
1.7 to 2.15
RF
7
1.5 to 2.5
JA
–158.6
–152.5
–152.2
–13.5
–12.5
–29.5
–41.2
–39.4
= 37°C/W
–2.5
53.2
21.6
TYP
U
= 2002MHz, P
–58
1.4
9.3
8
UF PART MARKING
12
11
10
9
GND
RF
GND
GND
5572
W
MAX
LO
= 0dBm.
dBm/Hz
dBm/Hz
dBm/Hz
UNITS
U
dBm
dBm
dBm
dBm
dBm
dBm
5572f
GHz
GHz
dBc
dB
dB
dB
dB