參數(shù)資料
型號： MAX2450
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 衰減器
英文描述： 3V, Ultra-Low-Power Quadrature Modulator/Demodulator
中文描述： RF/MICROWAVE I/Q MODEM
文件頁數(shù)： 3/8頁
文件大?。?/td> 107K
代理商： MAX2450
M
3V, Ultra-Low-Power Quadrature
Modulator/Demodulator
_______________________________________________________________________________________
3
7.0
6.8
6.6
6.4
6.2
6.0
5.8
5.6
5.4
5.2
5.0
0
10
20
30
40
50
60
70
80
M
TEMPERATURE (°C)
S
SUPPLY CURRENT
vs. TEMPERATURE
V
CC
= 2.7V
V
CC
= 3.3V
V
CC
= 3.0V
0
2
4
6
8
10
12
0
10
20
30
40
50
60
70
80
M
TEMPERATURE (°C)
V
CC
= 2.7V
V
CC
= 3.3V
V
CC
= 3.0V
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
S
μ
A
-30
-34
-38
-42
-46
-50
-54
-26
-22
-18
-14
-10
-6
M
BASEBAND INPUT (dBV
RMS
)
O
R
)
MODULATOR IF OUTPUT
vs. BASEBAND INPUT
Vp-p = 2 2 x 10
(V)
dBV
RMS
20
(Note 1)
V
I_IN/I_IN
, = V
Q_IN/Q_IN
= 1.2Vp-p,
R
L
= 200k
differential,
C
L
< 5pF differential
V
I_IN/I_IN
= 1.35Vp-p composite
(Note 4)
V
I_IN/I_IN
= 1.35Vp-p composite
(Note 4)
CONDITIONS
V
1.25
1.75
Input Common-Mode Voltage Range
I and Q Signal 3dB Bandwidth
V
p-p
1.35
V
I_IN/I_IN
,
V
Q_IN/Q_IN
Allowable Differential Input Voltage
dBc
-36
Carrier Suppression at Modulator
Output
dBc
38
Sideband Rejection
MHz
15
BW
MOD
mV
p-p
65
V
IF_OUT/IF_OUT
IF Differential Output Voltage
dBc
-60
IM3
IF
IF Output IM3 Level
dBc
-60
IM5
IF
IF Output IM5 Level
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2450 EV kit, V
CC
= LO_V
CC
= ENABLE = 3.0V, f
LO
= 140MHz, f
I_IN/I_IN
= f
Q_IN/Q_IN
= 600kHz, V
I_IN/I_IN
= V
Q_IN/Q_IN
= 1.2Vp-p,
f
IF_IN
= 70.1MHz, V
IF_IN
= 2.82mVp-p, T
A
= +25°C, unless otherwise noted.)
MODULATOR
Note 1:
Guaranteed by design, not tested.
Note 2:
f
IF_IN
= 2 tones at 70.10MHz and 70.11MHz. V
IF_IN
= 1.41mVp-p per tone.
Note 3:
The frequency range can be extended in either direction, but has not been characterized. At higher frequencies, the
modulator IF output amplitude may decrease and distortions may increase.
Note 4:
Q_IN/Q_IN ports are terminated. f
I_IN/I_IN
= 2 tones at 550kHz and 600kHz.
__________________________________________Typic al Operating Charac teristic s
(MAX2450 EV kit, V
CC
= LO_V
CC
= ENABLE = 3.0V, f
LO
= 140MHz, f
I_IN/I_IN
= f
Q_IN/Q_IN
= 600kHz, V
I_IN/I_IN
= V
Q_IN/Q_IN
= 1.2Vp-p,
f
IF_IN
= 70.1MHz, V
IF_IN
= 2.82mVp-p, T
A
= +25°C, unless otherwise noted.)
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