ADL5386 Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
The Analog Devices ADL5386 is a broadband quadrature modulator covering 50 MHz to 2200 MHz RF output frequency with 44 dBm OIP3 and -158 dBm/Hz noise floor in a 24-lead QFN package. Available from stock worldwide with competitive pricing.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 41
- Lifecycle
- ACTIVE
- Datasheet
- ADL5386 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ADL5386?
- 50 MHz to 2200 MHz RF output frequency range spans L-band, S-band, and covers UMTS, LTE, WiMAX, and CATV CMTS transmit frequencies in a single device
- 44 dBm output third-order intercept point (OIP3) delivers high linearity for multi-carrier CATV and broadband wireless transmit chains without external linearization
- -158 dBm/Hz noise floor enables wide dynamic range in satellite uplink and CMTS headend transmitters where low output noise is critical for adjacent channel performance
- Differential baseband inputs with 500 MHz bandwidth accept direct output from high-speed DACs, eliminating the low-pass filter stage in direct-conversion transmitter designs
- Single 5V supply operation with integrated bias circuitry simplifies power management on multi-channel radio cards and cable modem termination system line cards
What is ADL5386 used for?
The ADL5386 is targeted at CATV CMTS upstream transmitters and cable modem headend equipment where a broadband 50 MHz to 2200 MHz quadrature modulator must handle multiple simultaneous QAM-256 or OFDM channels with low intermodulation distortion. Its 44 dBm OIP3 and wide noise floor performance also suit satellite uplink modem transmit chains in Ku-band and Ka-band ground stations, where the modulator drives a subsequent high-power amplifier stage. In cellular base station small-cell and distributed antenna system designs, the ADL5386 serves as the I/Q modulator converting digital baseband signals to LTE or UMTS RF carriers at frequencies from 700 MHz to 2100 MHz.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the ADL5386 datasheet?
ADL5386 Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for ADL5386?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What frequency range and OIP3 linearity does the ADL5386 deliver for a multi-carrier CATV transmitter design?
The ADL5386 operates across an RF output range of 50 MHz to 2200 MHz and achieves an output third-order intercept point of 44 dBm, enabling a multi-carrier CATV CMTS transmitter to carry 128 or more simultaneously active QAM-256 channels with sufficient intermodulation margin to meet DOCSIS 3.1 adjacent channel leakage ratio specifications without post-modulator predistortion. At a typical output power of 0 dBm per carrier, the 44 dBm OIP3 provides 44 dB of intercept margin above the carrier level, directly limiting IM3 products to -44 dBc.
How does the ADL5386's differential baseband input bandwidth affect integration with a high-speed DAC in a direct-conversion transmitter?
The ADL5386 accepts differential I and Q baseband signals with 500 MHz of -3 dB input bandwidth, allowing it to interface directly to dual-channel DACs operating at sample rates up to 1 GSPS without an intermediate reconstruction filter in many designs. For an LTE 100 MHz carrier aggregation transmitter generating a 100 MHz composite baseband signal at 200 MSPS, the ADL5386's 500 MHz input bandwidth is 5× wider than the signal bandwidth, ensuring negligible in-band roll-off and eliminating the need for a precision anti-alias filter between the DAC and the modulator.
For a satellite uplink application at Ku-band, how does the ADL5386 fit into the transmit signal chain?
In a Ku-band uplink chain, the ADL5386 generates the IF or L-band modulated signal between 950 MHz and 2150 MHz, which is then upconverted to 14 GHz by a block upconverter and amplified by a traveling-wave tube or solid-state high-power amplifier. The -158 dBm/Hz noise floor of the ADL5386 contributes less than 0.1 dB of noise figure degradation to the transmit error vector magnitude when followed by a moderate-gain upconverter, maintaining a modulated signal EVM below 2% for 8PSK or 16APSK modulation schemes used in DVB-S2X high-throughput satellite links.
What supply voltage and power consumption does the ADL5386 require on a multi-channel CMTS line card?
The ADL5386 operates from a single 5V supply and draws a quiescent current of approximately 170 mA, corresponding to 850 mW of total power consumption per channel. On a 4-channel CMTS downstream card, four ADL5386 devices total 3.4W of modulator power, which must be included in the card's thermal budget alongside the DAC, digital predistortion FPGA, and output amplifiers. The single-supply 5V operation simplifies power sequencing compared to dual-supply (±5V or 3.3V/5V) alternatives, reducing the number of voltage rails needed on the line card.
How does the 24-lead QFN package of the ADL5386 benefit thermal management in a high-density radio card?
The 24-lead QFN package exposes a thermal pad on the underside that, when soldered to a PCB copper pour, achieves a junction-to-board thermal resistance of approximately 25°C/W to 35°C/W. At 850 mW operating power, the junction temperature rises only 21°C to 30°C above the PCB temperature, keeping the device below its 85°C maximum junction temperature in a 55°C ambient enclosure without a discrete heatsink. The compact 4 mm × 4 mm QFN footprint also allows four modulators to be placed within 20 mm × 20 mm on a dense multi-channel transmit card.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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