MAX2721EUP 查看數據表（PDF） - Maxim Integrated
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MAX2721EUP Datasheet PDF : 24 Pages
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1.7GHz to 2.5GHz, Direct I/Q Modulator with
VGA and PA Driver
ABSOLUTE MAXIMUM RATINGS
VCC to GND ..............................................................-0.3V to +6V
ENX2, SHDN, PC, I+, I-, Q+, Q-, LO,
DRIN to GND ........................................-0.3V to (VCC + 0.3V)
ENX2, SHDN Continuous Current.....................................±10mA
PC Continuous Current.....................................................±10mA
I+ to I-, Q+ to Q- ....................................................................±2V
MODOUT, DROUT to GND Short-Circuit Duration .................10s
Continuous Power Dissipation (TA = +70°C)
20-Pin TSSOP-EP (derate 21.7mW/°C above +70°C) ......1.74W
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range ............................ -65°C to +150°C
Lead Temperature (soldering 10s) ................................. +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 = +2.7V to +3.3V; SHDN = VCC; ENX2 = GND; VPC = 0.5V; no input AC signals applied to I+, I-, Q+, Q-, LO, DRIN. MODOUT
and DROUT = VCC, TA = -40°C to +85°C. Typical values are at VCC. = +3V, TA = +25°C, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Supply Voltage
2.7
3.3
V
Supply Current
MAX2720
MAX2721
77
119
mA
86
129
Supply Current with PA Driver
Disabled
MAX2720, DRIN = GND
MAX2721, DRIN = GND
59
86
mA
67
96
Shutdown Supply Current
SHDN = GND
0.1
10
µA
Logic Input High Voltage
2.0
V
Logic Input Low Voltage
0.5
V
Logic Input Bias Current
-1
1
µA
PC Input Bias Current
0.5V < VPC < 2.5V
0.5V < VPC < 2.5V, SHDN = GND
-5
5
µA
2.5
AC ELECTRICAL CHARACTERISTICS
(MAX2720/MAX2721 EV Kit, VCC = +3.0V, SHDN = VCC, ENX2 = GND, VPC = 2.5V, input I/Q signals driven in quadrature, from a
1kΩ source impedance, single-ended, fI+ = fQ+ = 500kHz, VI+ = VQ+ = 200mVp-p, PLO = -13dBm, fLO = 950MHz (MAX2720), fLO =
1157.5MHz (MAX2721), PDRIN = -12dBm, fDRIN = 1900MHz (MAX2720), fDRIN = 2315MHz (MAX2721), MODOUT and DROUT ports
are matched to a 50Ω load, TA = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
I/Q BASEBAND INPUTS
I/Q Input -1dB Bandwidth (Note 2)
I/Q Input -3dB Bandwidth (Note 2)
I/Q Differential Input Level
I/Q Gain Imbalance
I/Q Phase Imbalance
I/Q Input Resistance
I/Q Input Resistance Mismatch
I/Q Input Capacitance
Group Delay Ripple
Group Delay Mismatch
CONDITIONS
fI = fQ < BW-3dB, 0.5V < VPC < 2.5V
fI = fQ < BW-3dB, 0.5V < VPC < 2.5V
fI = fQ < BW-1dB
fI = fQ < BW-1dB
fI = fQ < BW-1dB
100kHz < fI+ = fQ+ < 2MHz
100kHz < fI = fQ < 2MHz
MIN TYP MAX UNITS
14
20
MHz
40
MHz
200
630 mVp-p
±0.2
dB
±1.0
degrees
1.6
2.0
kΩ
18
Ω
5
pF
1
ns
1
ns
2 _______________________________________________________________________________________
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