MAX2450CEP Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2450CEP Datasheet PDF : 8 Pages
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3V, Ultra-Low-Power Quadrature
Modulator/Demodulator
ABSOLUTE MAXIMUM RATINGS
VCC, LO_VCC to GND............................................-0.3V to +4.5V
ENABLE, TANK, TANK, I_IN, I_IN, Q_IN,
Q_IN to GND ..................................................-0.3V to (VCC + 0.3V)
IF_IN to GND .........................................................-0.3V to +1.5V
Continuous Power Dissipation (TA = +70°C)
QSOP (derate 9.1mW/°C above +70°C) ......................727mW
Operating Temperature Range...............................0°C to +70°C
Storage Temperature Range .............................-65°C to +165°C
Lead Temperature (soldering, 10sec) .............................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(VCC = LO_VCC = TANK = 2.7V to 3.3V, ENABLE = VCC - 0.4, GND = LO_GND = 0V, I_IN = I_IN = Q_IN = Q_IN = IF_IN = TANK =
OPEN, TA = 0°C to +70°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Supply Voltage Range
Supply Current
Shutdown Supply Current
Enable/Disable Time
ENABLE Bias Current
ENABLE High Voltage
ENABLE Low Voltage
VCC, LO_VCC
ICC(ON)
ICC(OFF)
tON/OFF
IEN
VENH
VENL
ENABLE = 0.4V
ENABLE = VCC
2.7
3.3
V
5.9
8.2
mA
2
20
µA
10
µs
1
3
µA
VCC - 0.4
V
0.4
V
I_IN, I_IN, Q_IN, Q_IN
Self-Bias DC Voltage Level
VI_IN/I_IN,
VQ_IN/Q_IN
1.25
1.5
1.75
V
Modulator Differential Input
Impedance
IF_OUT, IF_OUT DC Bias Voltage
Demodulator IF Input Impedance
Demodulator I and Q Baseband
DC Offset
ZI_IN/I_IN,
ZQ_IN/Q_IN
VIF_OUT/IF_OUT
ZIF_IN
35
44
kΩ
VCC - 1.5
V
320
400
480
Ω
±11
±50
mV
I_OUT, I_OUT, Q_OUT, Q_OUT
DC Bias Voltage Level
VI_OUT/I_OUT,
VQ_OUT/Q_OUT
1.2
V
AC ELECTRICAL CHARACTERISTICS
(MAX2450 EV kit, VCC = LO_VCC = ENABLE = 3.0V, fLO = 140MHz, fI_IN/I_IN = fQ_IN/Q_IN = 600kHz, VI_IN/I_IN = VQ_IN/Q_IN = 1.2Vp-p,
fIF_IN = 70.1MHz, VIF_IN = 2.82mVp-p, TA = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DEMODULATOR
I and Q Amplitude Balance
< ±0.45
dB
I and Q Phase Accuracy
< ±1.3
degrees
Voltage Conversion Gain
51
dB
Allowable I and Q Voltage Swing
Noise Figure
(Note 1)
NF
1.35 Vp-p
18
dB
I and Q IM3 Level
I and Q IM5 Level
I and Q Signal 3dB Bandwidth
Oscillator Frequency Range
LO Phase Noise
IM3I/Q
IM5I/Q
BWDEMOD
fLO
(Note 2)
(Note 2)
(Notes 1, 3)
10kHz offset
-44
dBc
-60
dBc
9
MHz
70
160 MHz
-80
dBc/Hz
PRE_OUT Output Voltage
PRE_OUT Slew Rate
VPRE_OUT
SRPRE_OUT
RL = 10kΩ, CL < 6pF
RL = 10kΩ, CL < 6pF, rising edge
0.35
60
Vp-p
V/µs
2 _______________________________________________________________________________________
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