Analog Devices Inc. AD8152JBP

Overview

AD8152JBP from Analog Devices is a 34 × 34 fully differential, nonblocking asynchronous digital crosspoint switch IC designed for high-speed serial routing in backplane and optical network infrastructure. It supports 3.2 Gbps per port NRZ data rate, delivers 45 ps p-p channel jitter, features 50 Ω on-chip input/output termination, and operates across 2.5 V to 3.3 V supply range - enabling direct drive of OC-48-compliant backplanes with FEC.

For engineers reviewing the AD8152JBP datasheet, AD8152JBP pinout, AD8152JBP application, or AD8152JBP equivalent, key selection criteria include differential signal integrity at 3.2 Gbps, programmable output swing (100–1600 mV p-p), dual-rank latch control architecture, LVTTL/LVCMOS-compatible 2.5 V/3.3 V interface, and industrial-temperature operation in 256-ball BGA_ED packaging.

Technical Context

The AD8152JBP implements a fully differential 34 × 34 switch matrix with independent per-port output current programming (2–32 mA) and user-controlled VTTO/VTI termination supplies. Its dual-rank latch architecture separates configuration loading (first rank) from active switching (second rank), enabling glitch-free updates without interrupting data flow.

Control logic accepts 7-bit address (A6–A0) and 6-bit data (D5–D0) via asynchronous strobes (CS, WE, UPDATE, RE, RESET), supporting transparent write, broadcast addressing, and per-output disable. Input and output stages integrate 50 Ω on-die termination, eliminating external resistors and reducing board space while maintaining signal fidelity up to 3.2 Gbps.

Key Specifications

Pinout & Package

AD8152JBP is housed in a 256-ball BGA_ED package (JEDEC MO-207, BP-256-3), measuring 27 mm × 27 mm with 1.0 mm ball pitch, designed for industrial temperature operation (0°C to +85°C). Thermal resistance θJA = 9.2°C/W (still air) and θJC_TOP = 0.5°C/W enable reliable high-power operation with standard PCB copper pour and optional top-side heatsinking.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-speed asynchronous crosspoint switch applications.

Compared with MAX14810 and TS3L301, AD8152JBP uniquely delivers 34×34 scale, 3.2 Gbps per port, and integrated 50 Ω termination - making it the only option among the three qualified for OC-48 backplane routing with sub-50 ps jitter and industrial temperature reliability.

Availability

AD8152JBP is available at Aetrix Electronics and suitable for fiber optic switching, OC-48 backplane routing, and HDTV serial interface applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for industrial and telecom deployments.

Supply support for AD8152JBP 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, headquartered in Norwood, MA, with design centers worldwide and ISO 9001-certified manufacturing.

The AD8152 belongs to Analog Devices' high-speed signal routing product line, engineered specifically for deterministic, low-jitter interconnection in SONET/SDH, packet-optical, and broadcast video infrastructure where signal integrity at multi-gigabit rates is mission-critical.

FAQ

What is the maximum supported data rate per port for AD8152JBP?

The AD8152JBP supports up to 3.2 Gbps per port using Nonreturn-to-Zero (NRZ) encoding, validated with PRBS 2²³−1 test patterns. This rate meets OC-48 (2.488 Gbps) requirements with forward error correction margin and is specified across the full industrial temperature range (0°C to +85°C) with typical 45 ps p-p channel jitter.

Does AD8152JBP require external termination resistors?

No, AD8152JBP integrates 50 Ω (±7 Ω) on-chip termination for all 34 differential input and 34 differential output pairs. Inputs terminate to VTTI and outputs to VTTO, eliminating the need for 68 external 50 Ω resistors and simplifying PCB layout while improving impedance matching consistency across temperature and process variation.

How does the dual-rank latch architecture of AD8152JBP improve system reliability?

The AD8152JBP's dual-rank latch architecture separates configuration loading (first rank) from active switching (second rank), allowing new routing maps to be loaded without disrupting live data traffic. This enables hitless reconfiguration during operation - essential for carrier-grade SONET/SDH switches where service interruption must be avoided during maintenance or topology changes.

Can AD8152JBP drive a backplane directly without additional buffers?

Yes, AD8152JBP is explicitly designed to drive backplanes directly. Its programmable 100–1600 mV p-p differential output swing, 50 Ω on-die termination, and low 45 ps p-p jitter allow it to meet OC-48 eye mask requirements over typical FR4 backplane traces up to 30 cm, eliminating the need for external redrivers or repeaters in many implementations.

What control interface voltage levels are supported by AD8152JBP?

AD8152JBP accepts LVTTL or LVCMOS-level control signals across 2.5 V to 3.3 V, with VIH = 1.7 V (at VCC = 2.5 V) and VIH = 2.0 V (at VCC = 3.3 V). This allows direct interfacing with FPGAs, CPLDs, and microcontrollers operating at either voltage without level-shifting circuitry, simplifying system integration and reducing board area.