MAX2470 查看數據表（PDF） - Maxim Integrated
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MAX2470 Datasheet PDF : 8 Pages
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10MHz to 500MHz VCO Buffer Amplifiers
with Differential Outputs
AC ELECTRICAL CHARACTERISTICS—MAX2470 (continued)
(VCC = +3V, HI/LO = VCC, all outputs are differentially measured between OUT and OUT driving a 50Ω load through a 180° hybrid,
TA = +25°C, unless otherwise noted.)
PARAMETER
Maximum Output VSWR
(OUT, OUT) (Note 5)
Reverse Isolation
(Note 6)
Isolation OUT to OUT
(Note 7)
Harmonic Suppression
SYMBOL
VSWROUT
IS12I2
CONDITIONS
10MHz < fOUT < 500MHz, HI/LO = VCC
10MHz < fOUT < 200MHz, HI/LO = GND
HI/LO = VCC
fIN = 100MHz
fIN = 500MHz
HI/LO = GND
fIN = 100MHz
fIN = 200MHz
fIN = 500MHz, HI/LO = VCC
fIN = 200MHz, HI/LO = GND
fIN = 500MHz, POUT = -5dBm, HI/LO = VCC
fIN = 200MHz, POUT = -5dBm, HI/LO = GND
MIN TYP MAX UNITS
1.5:1
1.2:1
75
48
dB
75
64
37
dB
45
-26
dBc
-30
AC ELECTRICAL CHARACTERISTICS—MAX2471
(Typical values are measured at VCC = +3V, TA = +25°C, unless otherwise noted.) (Note 8)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Input Frequency Range
(Note 2)
fIN
10
500 MHz
Gain (Note 3)
Voltage Gain (Note 4)
Noise Figure
Maximum Output VSWR
(OUT, OUT) (Note 5)
IS21I2
AV
NF
fIN = 10MHz
fIN = 200MHz
fIN = 500MHz, TA = TMIN to TMAX
fIN = 10MHz
fOUT = 500MHz, RSOURCE = 50Ω
VSWROUT 10MHz < fOUT < 500MHz
15.9
16.9
dB
11.3 15.6 17.8
16
V/V
8.4
dB
1.5:1
Reverse Isolation
Isolation OUT to OUT (Note 7)
Harmonic Suppression
IS12I2
fIN = 100MHz
fIN = 500MHz
fIN = 500MHz
fIN = 500MHz, POUT = -5dBm
74
dB
57
35
dB
-29
dBc
Note 1: Limits are 100% production tested at TA = +25°C. Limits over the entire operating temperature range are guaranteed by
design and characterization but are not production tested.
Note 2: The part has been characterized over the specified frequency range. Operation outside of this range is possible but not
guaranteed.
Note 3: Gain specified for POUT = -5dBm.
Note 4: Voltage gain measured with no input termination and no output load.
Note 5: Output VSWR is a single-ended measurement for each OUT and OUT.
Note 6: OUT to IN isolation with OUT terminated with 50Ω.
Note 7: Input terminated with 50Ω.
Note 8: Unless otherwise noted: all inputs are differentially measured between IN and IN driven by a 50Ω load through a 180°
hybrid; all outputs are differentially measured between OUT and OUT driving a 50Ω load through a 180° hybrid.
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