Analog Devices Inc. ADL5357ACPZ-R7

Overview

ADL5357ACPZ-R7 from Analog Devices is a 500 MHz to 1700 MHz balanced RF mixer with integrated LO buffer, IF amplifier, and on-chip RF balun. It delivers 8.6 dB power conversion gain, 9.1 dB SSB noise figure, and +26.6 dBm input IP3 at 5 V supply, enabling high-dynamic-range downconversion in cellular base station receivers and transmit observation paths.

For engineers reviewing the ADL5357ACPZ-R7 datasheet, ADL5357ACPZ-R7 pinout, ADL5357ACPZ-R7 application, or ADL5357ACPZ-R7 equivalent, key selection criteria include RF/LO frequency coverage (500–1700 MHz / 730–1670 MHz), single-ended 50 Ω interface compatibility, dual-LO switching capability, and 3.3–5 V single-supply operation with power-down control.

Technical Context

The ADL5357ACPZ-R7 integrates a doubly balanced passive MOSFET mixer core with an on-die RF balun and three-stage limiting LO amplifier, supporting both high-side (500–1200 MHz) and low-side (900–1700 MHz) LO injection. Its SPDT LO switch enables TDD applications requiring rapid local oscillator switching between two sources.

Signal path design includes a sum termination network and balanced feedback IF amplifier delivering differential 200 Ω output impedance. Bias current is externally programmable via resistors R9 and R14, allowing trade-offs between linearity (IP3), gain, and quiescent current across 3.3 V and 5 V operation.

Key Specifications

Pinout & Package

ADL5357ACPZ-R7 is housed in a 5 mm × 5 mm, 20-lead LFCSP package with exposed paddle (EPAD) that must be soldered to ground for thermal and electrical performance. The package supports reflow assembly and provides 1500 V HBM ESD protection.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar RF mixer applications.

Compared with ADL5355ACPZ-R7 and ADL5358ACPZ-R7, the ADL5357ACPZ-R7 uniquely balances broad sub-2 GHz coverage, integrated balun, and optimized power/performance for single-conversion cellular infrastructure receivers-making it the preferred choice for cost-sensitive, space-constrained macro/micro base station designs.

Availability

ADL5357ACPZ-R7 is available at Aetrix Electronics and suitable for cellular base station receivers, transmit observation receivers, and radiolink downconverters requiring stable component supply, long-term lifecycle support, and traceable sourcing for production ramp.

Supply support for ADL5357ACPZ-R7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving communications, industrial, automotive, and consumer markets.

The ADL5357ACPZ-R7 belongs to Analog Devices' high-linearity RF mixer product line, engineered specifically for cellular infrastructure applications demanding wide bandwidth, high dynamic range, and robust thermal performance in compact form factors.

FAQ

What is the recommended LO drive level for optimal performance of the ADL5357ACPZ-R7?

The ADL5357ACPZ-R7 achieves best-in-class linearity and noise figure with a nominal LO drive of 0 dBm. Performance remains stable across −6 dBm to +10 dBm, but gain increases slightly while IP3 degrades beyond +5 dBm. For 5G NR TDD systems requiring fast LO switching, maintaining 0 dBm ensures consistent conversion gain and spurious suppression across both LOI1 and LOI2 paths in the ADL5357ACPZ-R7.

Can the ADL5357ACPZ-R7 operate from a 3.3 V supply, and how does performance change?

Yes, the ADL5357ACPZ-R7 operates from 3.3 V to 5 V. At 3.3 V, quiescent current drops to 125 mA, IP1dB decreases to 7.1 dBm, and IIP3 reduces to +21.4 dBm, while noise figure remains near 9.0 dB. This makes the ADL5357ACPZ-R7 suitable for power-constrained small cell radios, though macro base stations typically use 5 V to preserve full dynamic range. The PWDN function is only specified for VPOS ≤ 3.6 V.

How is the differential IF output of the ADL5357ACPZ-R7 interfaced to a 50 Ω ADC input?

The ADL5357ACPZ-R7's IFOP/IFON pins deliver a balanced 200 Ω differential output. To interface with a 50 Ω single-ended ADC input, a 4:1 impedance-ratio RF transformer (e.g., Mini-Circuits TC4-1TX+) is used-this matches 200 Ω differential to 50 Ω single-ended while preserving common-mode rejection. External DC bias must be applied to each IF pin via 10 kΩ resistors to VPOS, as specified in the ADL5357ACPZ-R7 evaluation board schematic.

What is the purpose of the VGS0 and VGS1 pins on the ADL5357ACPZ-R7, and how should they be configured?

VGS0 and VGS1 are digital control inputs that adjust the mixer core's gate bias voltage, enabling four discrete linearity/gain trade-off settings. Grounding both pins (00) sets the nominal mode-delivering 8.6 dB gain and +26.6 dBm IIP3. Applying logic high to either or both alters transconductance: VGS=11 maximizes IP3 at slight gain reduction, while VGS=01 prioritizes gain. Configuration is static; no timing constraints apply for the ADL5357ACPZ-R7.

Does the ADL5357ACPZ-R7 require external matching components at the RF or LO ports?

No external matching is required at the RF or LO ports of the ADL5357ACPZ-R7. Both RFIN and LOI1/LOI2 are internally matched to 50 Ω over their respective frequency ranges (500–1700 MHz and 730–1670 MHz), achieving >12 dB return loss. However, AC coupling capacitors (e.g., 100 pF) are mandatory on RFIN and LOI1/LOI2 to block DC and prevent bias disruption-a requirement explicitly stated in the ADL5357ACPZ-R7 pin descriptions.