Analog Devices Inc. AD8058ARMZ-REEL7

Overview

AD8058ARMZ-REEL7 from Analog Devices is a dual, voltage-feedback operational amplifier optimized for high-speed, low-noise signal conditioning in video and data acquisition systems. It delivers 325 MHz −3 dB bandwidth (G = +1), 1000 V/µs slew rate, and 7 nV/√Hz input voltage noise at ±5 V supply, operating across −40°C to +85°C in an 8-lead MSOP package. It serves as a precision analog-to-digital driver in professional imaging and DVD/CD playback circuits.

For engineers reviewing the AD8058ARMZ-REEL7 datasheet, AD8058ARMZ-REEL7 pinout, AD8058ARMZ-REEL7 application, or AD8058ARMZ-REEL7 equivalent, key selection criteria include its dual-channel architecture, 30 pF capacitive load drive capability, differential gain error of 0.01% (NTSC, RL = 150 Ω), and compatibility with single-supply (3–12 V) and split-supply (±1.5 V to ±6 V) configurations.

Technical Context

The AD8058ARMZ-REEL7 implements a voltage-feedback topology with unity-gain stable design, enabling predictable frequency response and minimal phase shift up to 28 MHz (0.1 dB flatness). Its internal architecture supports rail-to-rail output swing within 1.2 V of each supply rail under 150 Ω load, while maintaining <0.15° differential phase error for NTSC video signals.

It features matched dual amplifiers sharing common power rails and thermal substrate, with −60 dB crosstalk between outputs at 5 MHz and G = +2 - critical for differential ADC driving where channel isolation prevents common-mode distortion. Input bias current remains below 2.5 µA over temperature, supporting high-impedance photodiode preamp configurations.

Key Specifications

Pinout & Package

AD8058ARMZ-REEL7 is housed in an 8-lead MSOP (RM-8) package per JEDEC MO-187-AA, measuring 3.0 mm × 3.0 mm × 0.85 mm with 0.65 mm pitch and exposed pad for thermal enhancement. Pin 1 is marked by a dot; the package is RoHS-compliant and moisture-sensitive level 1.

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 ADA4897-2ARZ-R7, AD8058ARMZ-REEL7 uniquely balances 325 MHz bandwidth, 7 nV/√Hz noise, and broadcast-grade video linearity in a thermally enhanced MSOP package - making it optimal for cost-sensitive, high-fidelity imaging front-ends where all three parameters are simultaneously constrained.

Availability

AD8058ARMZ-REEL7 is available at Aetrix Electronics and suitable for professional imaging systems, analog-to-digital converter front-ends, broadcast video filtering, and photodiode signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for AD8058ARMZ-REEL7 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 AD8057/AD8058 product line was designed specifically for cost-sensitive, high-speed signal conditioning in video, imaging, and data acquisition systems - emphasizing bandwidth-noise-linearity trade-off optimization over generic op amp specifications.

FAQ

What is the maximum capacitive load the AD8058ARMZ-REEL7 can drive without external compensation?

The AD8058ARMZ-REEL7 drives up to 30 pF capacitive load with ≤30% overshoot at G = +2, as verified in Figure 43 of the datasheet. At unity gain, stability degrades beyond 11 pF without series output resistance. For 100 pF loads (e.g., ADC input + PCB trace), a 2.4 Ω series resistor restores stability per Table 4 - a design practice confirmed in the Applications Information section.

Does the AD8058ARMZ-REEL7 support single-supply operation at 3.3 V?

Yes, the AD8058ARMZ-REEL7 operates from 3 V to 12 V single supply or ±1.5 V to ±6 V dual supply. At 3.3 V, its output swing is 0.9 V to 2.4 V into 2 kΩ (Table 2), and input common-mode range is 0.9 V to 2.4 V - sufficient for biasing at 1.65 V midsupply in low-voltage imaging interfaces.

How does the AD8058ARMZ-REEL7 achieve 0.01% differential gain error in NTSC applications?

The AD8058ARMZ-REEL7 achieves 0.01% differential gain error through laser-trimmed internal resistor matching and low-distortion voltage-feedback architecture, validated per NTSC standard at G = +2 with 150 Ω load (Table 1). This performance is process-controlled and guaranteed across the −40°C to +85°C range, eliminating need for system-level video DAC calibration.

What is the thermal performance of the AD8058ARMZ-REEL7 in MSOP-8 package?

The AD8058ARMZ-REEL7 in MSOP-8 (RM-8) has θJA = 200°C/W in free air (Table 3). With its 0.6 W maximum power dissipation rating and exposed thermal pad, junction temperature rise is limited to <30°C at 14 mA quiescent current and 25°C ambient - verified in Figure 5's derating curve. PCB copper area under the pad further reduces θJA by ~30%.

Can the AD8058ARMZ-REEL7 replace the AD8058ARZ-REEL7 in existing SOIC layouts?

No - AD8058ARMZ-REEL7 uses an 8-lead MSOP (RM-8) package (3.0 × 3.0 mm), while AD8058ARZ-REEL7 uses 8-lead SOIC_N (R-8, 5.0 × 4.0 mm). Footprint, pitch (0.65 mm vs. 1.27 mm), and thermal pad presence differ. Direct replacement requires PCB redesign; however, both share identical electrical specs and pinout assignment (Figure 3).