lt5575 Linear Technology Corporation, lt5575 Datasheet - Page 3

• Manufacturer Part Number: lt5575
• Description: 800mhz To 2.7ghz High Linearity Direct Conversion Quadrature Demodulator
• Manufacturer: Linear Technology Corporation

AC ELECTRICAL CHARACTERISTICS
AC ELECTRICAL CHARACTERISTICS
PARAMETER
RF Input Frequency Range
LO Input Frequency Range
Baseband Frequency Range
Baseband I/Q Output Impedance
RF Input Return Loss
LO Input Return Loss
LO Input Power
2-tone IIP2 and IIP3 tests), Baseband Frequency = 1MHz (0.9MHz and 1.1MHz for 2-tone tests), P
(Notes 2, 3, 6)
PARAMETER
Conversion Gain
Noise Figure (Double-Side Band, Note 4)
Input 3rd-Order Intercept
Input 2nd-Order Intercept
Input 1dB Compression
I/Q Gain Mismatch
I/Q Phase Mismatch
LO to RF Leakage
CONDITIONS
No External Matching (High Band)
With External Matching (Low Band, Mid Band)
No External Matching (High Band)
With External Matching (Low Band, Mid Band)
Single-Ended
Z
Internally Matched
Z
Internally Matched
O
O
= 50Ω, 1.5GHz to 2.7GHz,
= 50Ω, 1.5GHz to 2.7GHz,
CONDITIONS
Voltage Gain, R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
= 900MHz (Note 5)
= 1900MHz
= 2100MHz
= 2500MHz
= 900MHz (Note 5)
= 1900MHz
= 2100MHz
= 2500MHz
= 900MHz (Note 5)
= 1900MHz
= 2100MHz
= 2500MHz
= 900MHz (Note 5)
= 1900MHz
= 2100MHz
= 2500MHz
= 900MHz (Note 5)
= 1900MHz
= 2100MHz
= 2500MHz
= 900MHz (Note 5)
= 1900MHz
= 2100MHz
= 2500MHz
= 900MHz (Note 5)
= 1900MHz
= 2100MHz
= 2500MHz
= 900MHz (Note 5)
= 1900MHz
= 2100MHz
= 2500MHz
LOAD
= 1kΩ
Test circuit shown in Figure 1. (Notes 2, 3)
V
CC
= +5V, EN = High, T
A
= 25°C, P
LO
RF
= 0dBm, unless otherwise noted.
MIN
MIN
= –10dBm (–10dBm/tone for
65Ω// 5pF
DC to 490
1.5 to 2.7
0.8 to 1.5
1.5 to 2.7
0.8 to 1.5
–13 to 5
–60.8
–64.6
–60.2
–51.2
TYP
12.8
12.7
13.6
15.7
22.6
22.7
23.3
54.1
52.3
13.2
11.2
12.3
0.03
0.01
0.04
0.04
>10
>10
TYP
4.2
3.5
0.5
0.4
0.6
0.2
28
60
56
11
3
2
LT5575
MAX
MAX
UNITS
UNITS
3
5575f
MHz
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
GHz
GHz
GHz
GHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
°
°
°
°