MAX2473EUT+T ,500MHz to 2500MHz, VCO Buffer AmplifiersELECTRICAL CHARACTERISTICS—MAX2472(Typical Operating Circuits, V = +3V, P = -25dBm, IN driven from ..
MAX2473EUT-T ,500MHz to 2500MHz VCO Buffer AmplifiersApplicationsBIASIF/RF OscillatorsOUT2General-Purpose Buffers/AmplifiersMAX2472INTypical Operating C ..
MAX248CQH ,+5V-Powered, Multichannel RS-232 Drivers/ReceiversMAX220–MAX24919-4323; Rev 9; 4/00+5V-Powered, Multichannel RS-232Drivers/Receivers
MAX249CQH ,+5V-Powered, Multichannel RS-232 Drivers/ReceiversGeneral Description ________
MAX249CQH-TD ,+5V-Powered, Multichannel RS-232 Drivers/Receiversapplications where ±12V is• Eliminates the Need for a Bipolar ±12V Supplynot available.• Enables Si ..
MAX250 ,5V, Isolated, RS-232 Driver ReceiverELECTRICAL CHARACTERISTICS: MAX250
Power Chssputar;
Prashc DI? (devam /mW/ C above 70C)
CERD ..
MAX5900LBEUT+T ,-100V, SOT23/TDFN, Simple Swapper Hot-Swap ControllersMAX5900/MAX590119-1988; Rev 3; 8/03-100V SOT23 Simple Swapper Hot-SwapControllers
MAX5900LBEUT-T ,100 V, SOT23 simple swapper hot-swap controllerFeaturesThe MAX5900/MAX5901 are SOT23 hot-swap controllers Wide -9V to -100V Operation that allow ..
MAX5900NNEUT ,-100V, SOT23/TDFN, Simple Swapper Hot-Swap ControllersApplications Pin ConfigurationTelecom Line Cards Network Switches Requires No External Sense Resis ..
MAX5900NNEUT+T ,-100V, SOT23/TDFN, Simple Swapper Hot-Swap ControllersFeaturesThe MAX5900/MAX5901 are SOT23 hot-swap controllers Wide -9V to -100V Operation that allow ..
MAX5901AAETT+ ,-100V, SOT23/TDFN, Simple Swapper Hot-Swap ControllersApplications Pin ConfigurationTelecom Line Cards Network Switches Requires No External Sense Resis ..
MAX5901ABETT+ ,-100V, SOT23/TDFN, Simple Swapper Hot-Swap ControllersFeaturesThe MAX5900/MAX5901 are SOT23 hot-swap controllers Wide -9V to -100V Operation that allow ..
MAX2472EUT+-MAX2473EUT+T
500MHz to 2500MHz, VCO Buffer Amplifiers
General DescriptionThe MAX2472/MAX2473 are flexible, wideband, high-
reverse-isolation buffer amplifiers. The MAX2472 has dual
open-collector outputs capable of delivering -5dBm into
50Ωwhile maintaining harmonic suppression below
-25dBc. The MAX2473 has a single open-collector output
with a bias control pin to vary output power from -10dBm
to -2dBm while maintaining harmonic suppression below
-25dBc. The MAX2472/MAX2473’s combination of high
reverse isolation and low supply current makes them ideal
for applications requiring high performance with low
power. They feature high input impedance and open-col-
lector outputs for maximum flexibility, enabling them to be
used with a variety of oscillator topologies.
Both the MAX2472 and MAX2473 operate from a single
+2.7V to +5.5V supply. With VCC= +3.0V and -25dBm
input power, the MAX2472 consumes 5.2mA, while the
MAX2473 consumes only 2.7mA. Both devices are avail-
able in a tiny 6-pin SOT23 package requiring minimal
board space.
ApplicationsCellular and PCS Mobile Phones
Private Mobile Radios
ISM-Band Applications
IF/RF Oscillators
General-Purpose Buffers/Amplifiers
Typical Operating Circuits appear at end of data sheet.
Feature+2.7V to +5.5V Supply Range 500MHz to 2500MHz Input Frequency RangeHigh Reverse Isolation: 49dB at 900MHzDual Open-Collector Outputs (MAX2472)Adjustable -10dBm to -2dBm Output Power
Control (MAX2473)High Input Impedance: >250Ωat 900MHzUltra-Small SOT23-6 Package00MHz to 2500MHCO Buffer Amplifie
Functional Diagrams19-1466; Rev 0; 6/99
PART
MAX2472EUT-T
MAX2473EUT-T-40°C to +85°C
-40°C to +85°C
TEMP.
RANGE
PIN-
PACKAGE6 SOT23-6
6 SOT23-6
EVALUATION KIT MANUAL
FOLLOWS DATA SHEET
Ordering Information
SOT
TOP MARKAAAZ
AABA
GNDGND
OUT2
OUT1
VCC
MAX2472
BIAS
GNDGND
BIAS
OUTIN
VCC
MAX2473
BIAS
GND OUT2 (BIAS)6VCCGND
OUT1 (OUT)
MAX2472
MAX2473
SOT23-6TOP VIEW
( ) ARE FOR MAX2473.4
Pin Configuration
00MHz to 2500MHz CO Buffer AmplifiersABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS(VCC= +2.7V to +5.5V, PIN= -25dBm, IN driven from a 50Ωsource, OUT_ LC-matched to 50Ω, TA= TMINto TMAX, unless otherwise
noted. Typical values are at VCC= +3V, TA= +25°C.) (Note 1)
AC ELECTRICAL CHARACTERISTICS—MAX2472(Typical Operating Circuits, VCC= +3V, PIN= -25dBm, IN driven from a 50Ωsource, OUT1 and OUT2 LC matched to 50Ω, TA=
+25°C, unless otherwise noted.)
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.
VCCto GND..............................................................-0.3V to +7V
OUT1, OUT2, BIAS to GND........................-0.3V to (VCC+ 0.3V)
Maximum BIAS Pin Current................................................150μA
Maximum Input Power....................................................+10dBm
Continuous Power Dissipation
SOT23-6 (derate 8.7mW/°C above +70°C)...................696mW
Operating Temperature Range...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
CONDITIONSICC2.75.5VCCInput Voltage Range
Supply Current4.8
UNITSMINTYPMAXSYMBOLPARAMETER
MAX2473, RBIAS= 23kΩ
MAX2473, RBIAS= 11kΩ
MAX2472
No drive
MAX2472
MAX2473, RBIAS= 23kΩ
MAX2473, RBIAS= 11kΩ
dBm
S122
S212
fIN= 900MHz, TA= +25°C
Transducer Gain
(IN to OUT2)
fIN= 600MHz
fIN= 900MHz
fIN= 900MHz
fIN= 2400MHz
fIN= 1900MHz
fIN= 600MHz
fIN= 1900MHz
fIN= 2400MHz
fIN= 900MHz
fIN= 900MHz, TA= TMINto TMAX(Note 3)
CONDITIONSfIN= 600MHz13.0
S212
fIN= 2400MHz5.3
fIN= 1900MHz6.8
Transducer Gain
(IN to OUT1)
MHz5002500fINInput Frequency Range (Note 2)
Reverse Isolation
(IN to OUT2)
-3.2POUT1dBOutput 1dB Compression Point
UNITSMINTYPMAXSYMBOLPARAMETER
00MHz to 2500MHz CO Buffer AmplifierNote 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:This is the recommended operating frequency range. The parts have been characterized over the specified frequency
range and production tested at 900MHz. Operation outside of this range is possible but not guaranteed.
Note 3:Guaranteed by design and characterization.
POUT= -5dBm, fIN= 900MHz
fIN= 900MHz
fIN= 1900MHz
fIN= 900MHz
CONDITIONSdBc-2524Isolation (OUT1 to OUT2)
9.5NFNoise Figure
UNITSMINTYPMAXSYMBOLPARAMETERHarmonic Suppression
fIN= 900MHz, TA= +25°C
fIN= 600MHz
fIN= 1900MHz
fIN= 900MHz
POUT= -5dBm, fIN= 900MHz
fIN= 600MHz
fIN= 1900MHz
fIN= 2400MHz
fIN= 900MHz
fIN= 900MHz
fIN= 2400MHz
CONDITIONSHarmonic Suppression
dBc-25
9.2Noise Figure
S212
MHz5002500fINInput Frequency Range (Note 2)S12248
Reverse Isolation
-6.0POUT1dBOutput 1dB Compression Point
UNITSMINTYPMAXSYMBOLPARAMETER
AC ELECTRICAL CHARACTERISTICS—MAX2473(Typical Operating Circuits, VCC= +3V, PIN= -25dBm, RBIAS= 15kΩ, IN driven from a 50Ωsource, OUT LC matched to 50Ω, TA=
+25°C, unless otherwise noted.)
dBm-0.9
RBIAS= 23kΩ
RBIAS= 11kΩ
fIN= 1900MHz9.9
Transducer GaindBfIN= 900MHz, TA= TMINto TMAX(Note 3)6.419.0
S122fIN= 900MHz
fIN= 2400MHz
fIN= 1900MHz
fIN= 600MHzdB
Reverse Isolation
(IN to OUT1)
AC ELECTRICAL CHARACTERISTICS—MAX2472 (continued)(Typical Operating Circuits, VCC= +3V, PIN= -25dBm, IN driven from a 50Ωsource, OUT1 and OUT2 LC matched to 50Ω, TA
+25°C, unless otherwise noted.)
00MHz to 2500MHz CO Buffer AmplifiersTypical Operating Characteristics(MAX2472/MAX2473 EV kit, VCC= +3V, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE
AX2472 toc01
TEMPERATURE (°C)
(m
PIN = -20dBm
fIN = 900MHz
VCC = 3V
VCC = 5V
S21 2 vs. TEMPERATURE
2472 toc02
TEMPERATURE (°C)
fIN = 600MHz
fIN = 900MHz
fIN = 1900MHz
fIN = 2400MHz
PIN = -20dBm
(d
S21 2 vs. OUTPUT POWER
2472 toc03
POUT (dBm)
FOR OUT1 WITH OUT2 REACTIVELY
MATCHED AND TERMINATED
fIN = 600MHz
fIN = 900MHz
fIN = 2400MHz
(dfIN = 1900MHz
S21AX2472 toc07
(3 UNITS FULL SCALE)
FOR OUT2 WITH OUT1 BIASED
AND TERMINATED
A: fIN = 600MHz
B: fIN = 900MHz
C: fIN = 1900MHz
D: fIN = 2400MHz
S11AX2472 toc06D
FOR OUT2 WITH OUT1 BIASED
AND TERMINATED
A: fIN = 600MHz
B: fIN = 900MHz
C: fIN = 1900MHz
D: fIN = 2400MHz
S12AX2472 toc08D
(0.1 UNITS FULL SCALE)
FOR OUT2 WITH OUT1 BIASED
A: fIN = 600MHz
B: fIN = 900MHz
C: fIN = 1900MHz
D: fIN = 2400MHz
S222472 toc09D
FOR OUT2 WITH OUT1 BIASED
AND TERMINATED
A: fIN = 600MHz
B: fIN = 900MHz
C: fIN = 1900MHz
D: fIN = 2400MHz
MAX2472
00MHz to 2500MHz CO Buffer AmplifierTypical Operating Characteristics (continued)(MAX2472/MAX2473 EV kit, VCC= +3V, TA = +25°C, unless otherwise noted.)
MAX2472
SCATTERING PARAMETERS
(IN to OUT 2)
00MHz to 2500MHz CO Buffer AmplifiersTypical Operating Characteristics (continued)(MAX2472/MAX2473 EV kit, VCC= +3V, TA = +25°C, unless otherwise noted.)
AX2472 toc13d
POUT (dBm)
RBIAS = 11kW
RBIAS = 15kW
RBIAS = 22kW
(d
S21 2 vs. OUTPUT POWERfIN = 600MHz
AX2472 toc13a
POUT (dBm)
RBIAS = 11kW
RBIAS = 15kW
RBIAS = 22kW
S21 2 vs. OUTPUT POWER (d
fIN = 2400MHz
AX2472 toc13b
POUT (dBm)
RBIAS = 11kW
fIN = 1900MHz
RBIAS = 15kW
RBIAS = 22kW
(d
S21 2 vs. OUTPUT POWER2472 toc13c
POUT (dBm)
RBIAS = 11kW
RBIAS = 15kW
RBIAS = 22kW
(d
S21 2 vs. OUTPUT POWERfIN = 900MHz4035453025201510
SUPPLY CURRENT
vs. RBIASAX2472 toc11
RBIAS (kW)
(m
VCC = 5V
VCC = 3V
AX2472 toc12
TEMPERATURE (°C)
fIN = 600MHz
fIN = 900MHz
fIN = 1900MHz
fIN = 2400MHz
PIN = -20dBm
RBIAS = 15kW
(d
S21 2 vs. TEMPERATURE
MAX2473
