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Part Number: MAX2642
Description: The MAX2642/MAX2643 low-cost, high third-order intercept point (IP3), low-noise amplifiers (LNAs) are ...
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MAX2642
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General Description
MAX2642 General Description
The MAX2642/MAX2643 low-cost, high third-order intercept point (IP3), low-noise amplifiers (LNAs) are designed for applications in cellular, ISM, SMR, and PMR systems. They feature a programmable bias, allowing the IP3 and supply current to be optimized for specific applications. These LNAs provide up to 0dBm input IP3 while maintaining a low noise figure of 1.3dB.
The gain for these devices is typically 17dB. The MAX2642 also features a 13dB attenuation step, which extends the LNA's dynamic range. Both devices feature a shutdown mode that minimizes power consumption. On-chip output matching saves board space by reducing the number of external components.
The MAX2642/MAX2643 are designed on a low-noise, advanced silicon-germanium (SiGe) process technology. They operate from a +2.7V to +5.5V single supply and are available in the ultra-small 6-pin SC70 package.
MAX2642 Maximum Ratings
VCC to GND............................................................-0.3V to +6V
RFOUT to GND...........................................-0.3V to (VCC + 0.3V)
RFIN to GND ................................................................0 to 0.9V
RFIN Power (50 source) ...............................................+5dBm
BIAS to GND...............................................................0 to +0.3V
Operating Temperature Range ...........................-40 to +85
Maximum Junction Temperature .....................................+150
Continuous Power Dissipation (TA = +70)
SC70-6 (derate 3.1mW/ above +70)........................245mW
Storage Temperature Range .............................-65 to +150
Lead Temperature (soldering, 10s) .................................+300
RFOUT to GND...........................................-0.3V to (VCC + 0.3V)
RFIN to GND ................................................................0 to 0.9V
RFIN Power (50 source) ...............................................+5dBm
BIAS to GND...............................................................0 to +0.3V
Operating Temperature Range ...........................-40 to +85
Maximum Junction Temperature .....................................+150
Continuous Power Dissipation (TA = +70)
SC70-6 (derate 3.1mW/ above +70)........................245mW
Storage Temperature Range .............................-65 to +150
Lead Temperature (soldering, 10s) .................................+300
MAX2642 Features
·Wide Frequency Range: 800MHz to 1000MHz
·High Output IP3 and Adjustable
+17dBm at 5.3mA
+7dBm at 2.8mA
·Low Noise Figure: 1.3dB at 900MHz
·13dB Attenuation Step (MAX2642)
·On-Chip Output Matching
·Low-Power Shutdown Mode
·+2.7V to +5.5V Single-Supply Operation
·Ultra-Small SC70-6 Package
·High Output IP3 and Adjustable
+17dBm at 5.3mA
+7dBm at 2.8mA
·Low Noise Figure: 1.3dB at 900MHz
·13dB Attenuation Step (MAX2642)
·On-Chip Output Matching
·Low-Power Shutdown Mode
·+2.7V to +5.5V Single-Supply Operation
·Ultra-Small SC70-6 Package
MAX2642 Typical Application
800MHz/900MHz Cellular Phones
900MHz Cordless Phones
868MHz/900MHz ISM-Band Wireless Data
PMR/SMR/LMR
900MHz Cordless Phones
868MHz/900MHz ISM-Band Wireless Data
PMR/SMR/LMR
MAX2642 Connection Diagram
MAX2642
PDF/DataSheet Download
- Datasheet: MAX2642
- File Size: 244193 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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