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Product Detailed Parameters
- Description：IC BUFFER LO 20-TQFN
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Function：LO Buffers
- Frequency：700MHz ~ 1.1GHz
- RF Type：Cellular, GSM
- Secondary Attributes：40dB Reverse Isolation
- Mounting Type：Surface Mount
- Package / Case：20-WQFN Exposed Pad
- Supplier Device Package：20-TQFN (5x5)
- Grade：-
- Qualification：-
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Overview
The MAX9989ETP+ is a radio frequency local oscillator buffer manufactured by Analog Devices Inc./Maxim Integrated. It operates within a frequency range of 700 MHz to 1.1 GHz and requires a single 5 V power supply. The device draws a typical operating current of 105 mA and delivers an output power level between +14 dBm and +20 dBm with a variation of 1 dB. It is housed in a 20-lead TQFN package with an exposed pad, measuring 5 mm by 5 mm. The component supports surface-mount installation and functions reliably across an extended temperature range from -40°C to +85°C.
Feature Summary
- Provides stable LO buffering for RF signal chains
- Maintains consistent output power with minimal variation
- Offers high reverse isolation to protect upstream stages
Applications
- Cellular infrastructure systems
- GSM network equipment
- RF front-end modules
Procurement Notes
Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical characteristics and pinout configuration. Ensure that the procurement channel provides valid traceability records for this active component. Confirm compliance with relevant environmental standards prior to integration into final assemblies.
Selection Notes
Evaluate the operational frequency requirements against the specified 700 MHz to 1.1 GHz range. Assess thermal management capabilities given the 105 mA current draw and the 20-TQFN package geometry. Verify that the system power supply can maintain a stable 5 V rail under all load conditions to ensure optimal performance.
Part Context
This component belongs to the Maxim Integrated line of radio frequency integrated circuits designed for wireless communication applications. It serves as a specialized buffer stage within larger transceiver architectures, ensuring signal integrity between oscillators and mixers.
Replacement Considerations
Consult official cross-reference guides for compatible alternatives. No direct substitute part numbers are confirmed in the provided public documentation.
