LTC5541IUH データシートの表示（PDF） - Linear Technology
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LTC5541IUH Datasheet PDF : 16 Pages
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LTC5541
AC ELECTRICAL CHARACTERISTICS VCC = 3.3V, VCCIF = 3.3V, SHDN = Low, TA = 25°C, PLO = 0dBm,
PRF = –3dBm (Δf = 2MHz for two-tone IIP3 tests),unless otherwise noted. Test circuit shown in Figure 1. (Notes 2, 3, 4)
Low-Side LO Downmixer Application: RF = 1700 to 2200MHz, IF = 190MHz, fLO = fRF–fIF
PARAMETER
CONDITIONS
Conversion Gain
RF = 1750MHz
RF = 1950MHz
RF = 2150MHz
Conversion Gain Flatness
RF = 1950 ±30MHz, LO = 1760MHz, IF=190 ±30MHz
Conversion Gain vs Temperature
Input 3rd Order Intercept
TA = –40ºC to +85ºC, RF = 1950MHz
RF = 1750MHz
RF = 1950MHz
RF = 2150MHz
SSB Noise Figure
RF = 1750MHz
RF = 1950MHz
RF = 2150MHz
MIN
TYP
MAX UNITS
8.6
6.5
7.8
dB
7.6
±0.1
dB
–0.006
dB/°C
25.5
24.0
26.4
dBm
25.5
9.2
9.6
11.7
dB
10.6
SSB Noise Figure Under Blocking
fRF = 1950MHz, fLO = 1760MHz,
fBLOCK = 2050MHz, PBLOCK = 5dBm
16
dB
2RF – 2LO Output Spurious Product
(fRF = fLO + fIF/2)
fRF = 1855MHz at –10dBm, fLO = 1760MHz, fIF = 190MHz
–67
dBc
3RF – 3LO Output Spurious Product
fRF = 1823.33MHz at –10dBm, fLO = 1760MHz, fIF = 190MHz
–73
dBc
(fRF = fLO + fIF/3)
Input 1dB Compression
RF = 1950MHz, VCCIF = 3.3V
RF = 1950MHz, VCCIF = 5V
11.3
dBm
14.6
High-Side LO Downmixer Application: RF = 1300-1800MHz, IF = 190MHz, fLO = fRF+fIF
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
Conversion Gain
RF = 1450MHz
RF = 1600MHz
RF = 1750MHz
8.9
dB
8.4
8.0
Conversion Gain Flatness
RF = 1600MHz ±30MHz, LO = 1790MHz, IF = 190 ±30MHz
±0.1
dB
Conversion Gain vs Temperature
TA = –40°C to 85°C, RF = 1600MHz
–0.006
dB/°C
Input 3rd Order Intercept
RF = 1450MHz
RF = 1600MHz
RF = 1750MHz
24.5
dBm
24.6
24.3
SSB Noise Figure
RF = 1450MHz
RF = 1600MHz
RF = 1750MHz
9.5
dB
9.9
9.9
SSB Noise Figure Under Blocking
2LO – 2RF Output Spurious Product
(fRF = fLO – fIF/2)
3LO – 3RF Output Spurious Product
(fRF = fLO – fIF/3)
Input 1dB Compression
fRF = 1600MHz, fLO = 1790MHz, fIF = 190MHz
fBLOCK = 1500MHz, PBLOCK = 5dBm
fRF = 1695MHz at –10dBm, fLO = 1790MHz
fIF = 190MHz
fRF = 1726.67MHz at –10dBm, fLO = 1790MHz
fIF = 190MHz
RF = 1750MHz, VCCIF = 3.3V
RF = 1750MHz, VCCIF = 5V
18
dB
dBc
– 69
dBc
– 74
11.1
dBm
14.4
5541f
3
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