Analog Devices Inc. ADA4851-2YRMZ

Overview

ADA4851-2YRMZ from Analog Devices is a dual, rail-to-rail output, voltage-feedback operational amplifier optimized for high-speed video and general-purpose signal conditioning. It delivers 130 MHz −3 dB bandwidth (G = +1), 375 V/μs slew rate, and 55 ns settling time to 0.1%, operating from ±5 V, +5 V, or +3 V supplies in automotive-grade temperature range (−40°C to +125°C). It is widely deployed in video switchers and active filters requiring low distortion and precise DC accuracy.

For engineers reviewing the ADA4851-2YRMZ datasheet, ADA4851-2YRMZ pinout, ADA4851-2YRMZ application, or ADA4851-2YRMZ equivalent, key selection criteria include its 0.08% differential gain, 0.09° differential phase, rail-to-rail output swing within 60 mV of either rail, and dual-channel configuration in an 8-lead MSOP package-critical for space-constrained video front-end and clock buffer designs.

Technical Context

The ADA4851-2YRMZ employs a voltage-feedback architecture with fully differential input stage and Class AB output stage, enabling stable operation at gains ≥ +1 with minimal peaking. Its input common-mode range extends 200 mV below the negative rail and to within 2.2 V of the positive rail, supporting true single-supply operation.

It features matched dual amplifiers on a monolithic die with crosstalk ≤ −70 dB (RTI, 5 MHz), enabling simultaneous processing of stereo video or differential signaling paths without interference. The device maintains 0.1 dB flatness up to 11 MHz at G = +2, meeting NTSC/PAL reconstruction requirements without external compensation.

Key Specifications

Pinout & Package

ADA4851-2YRMZ is housed in an 8-lead MSOP (RM-8) package with exposed pad for thermal enhancement. Pin 1 is marked by a dot; pin numbering follows standard counter-clockwise orientation when viewed from top.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual high-speed op amp applications.

Compared with LMH6629MA/NOPB and THS3202D, ADA4851-2YRMZ uniquely balances video-grade linearity, rail-to-rail output, low power, and automotive qualification-making it the only dual op amp in this group qualified for camera ECU deployment without derating.

Availability

ADA4851-2YRMZ is available at Aetrix Electronics and suitable for automotive infotainment systems, professional video equipment, and industrial sensor signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for ADA4851-2YRMZ 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.

The ADA4851 family was designed specifically for cost-sensitive, high-fidelity video and high-speed general-purpose amplification in automotive and consumer electronics, emphasizing low distortion, rail-to-rail output, and extended temperature reliability.

FAQ

What is the maximum supply voltage for ADA4851-2YRMZ?

The ADA4851-2YRMZ supports a total supply voltage range of 2.7 V to 12 V, meaning it operates with single supplies from +2.7 V to +12 V, or dual supplies such as ±5 V (10 V total). Absolute maximum rating is 12.6 V across +VS and –VS pins. Exceeding this risks permanent damage, per Analog Devices' Absolute Maximum Ratings table.

Does ADA4851-2YRMZ support true single-supply operation with input signals near ground?

Yes. ADA4851-2YRMZ features an input common-mode voltage range extending 200 mV below the negative rail. With –VS tied to ground, it accepts inputs down to –0.2 V, enabling DC-coupled sensor or DAC interface without level-shifting. This is confirmed in the "Input Common-Mode Voltage Range" spec: –0.2 V to +2.8 V at +5 V supply.

Is ADA4851-2YRMZ pin-compatible with other devices in the ADA4851 family?

No. ADA4851-2YRMZ (8-lead MSOP) is not pin-compatible with ADA4851-1 (6-lead SOT-23) or ADA4851-4 (14-lead TSSOP). Each variant has distinct pin counts, layouts, and terminal assignments. For example, the single-channel ADA4851-1 includes a POWER DOWN pin absent in the dual ADA4851-2YRMZ.

What is the guaranteed differential phase performance of ADA4851-2YRMZ over temperature?

ADA4851-2YRMZ guarantees ≤0.09° differential phase at NTSC, RL = 150 Ω, VOUT = 2 V p-p, and ±5 V supply - tested and specified across the full automotive temperature range (−40°C to +125°C), as documented in Table 2 and General Description section of Rev. J datasheet.

Can ADA4851-2YRMZ drive a 150 Ω video load at 1080p60 without external buffering?

Yes. ADA4851-2YRMZ delivers 66 mA linear output current (at 1% THD, 1 MHz, 2 V p-p) and sustains 0.08% differential gain into 150 Ω - directly meeting SMPTE 253M/293M requirements for HD video line drivers. Its 130 MHz bandwidth exceeds the 75 MHz fundamental needed for 1080p60 baseband reconstruction.