Analog Devices Inc. AD828ANZ

Overview

AD828ANZ from Analog Devices is a dual, low-power video operational amplifier optimized for +2 gain video line driving, delivering 130 MHz bandwidth (±15 V), 450 V/µs slew rate, and 0.01% differential gain error at NTSC - used in professional video cameras, CATV distribution, and back-terminated 75 Ω cable drivers.

For engineers reviewing the AD828ANZ datasheet, AD828ANZ pinout, AD828ANZ application, or AD828ANZ equivalent, this page provides verified DC/AC performance data, package-specific thermal limits, matching specs for dual-channel synchronization, single/dual supply operation guidance, and real-world video line driver design validation.

Technical Context

The AD828ANZ employs a degenerated NPN input stage feeding a folded-cascade gain stage and class AB emitter-follower output buffer, enabling stable 50 mA output current per amplifier into 150 Ω while maintaining <0.1° differential phase error. Its voltage-feedback architecture supports gains ≥+2 with 45 ns settling to 0.1% under ±5 V supply.

It achieves 0.1 dB flatness to 40 MHz (±15 V, G=+2), operates from ±2.5 V to ±18 V dual supplies or +5 V to +36 V single supply, and features matched dynamic parameters including 0.2 dB gain flatness match at 40 MHz and –80 dB crosstalk at 5 MHz.

Key Specifications

Pinout & Package

AD828ANZ is housed in an 8-lead plastic mini-DIP (N-8) package with 0.300" wide body, JEDEC MS-001 compliant, θ_JA = 100°C/W, rated for –40°C to +85°C operation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual video op amp applications.

Compared with LMH6629MA/NOPB and THS3201D, AD828ANZ uniquely combines NTSC-validated differential gain/phase performance, guaranteed 50 mA output per channel, and 15 mA total supply current - making it the only option qualified for cost-sensitive, standards-compliant analog video infrastructure.

Availability

AD828ANZ is available at Aetrix Electronics and suitable for professional video camera modules, CATV distribution amplifiers, and color copier image signal conditioning requiring stable component supply across extended production lifecycles.

Supply support for AD828ANZ 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 is a global leader in high-performance analog, mixed-signal, and DSP ICs, serving precision instrumentation, industrial automation, and communications markets since 1965.

The AD828 belongs to Analog Devices' video op amp product line, engineered specifically for broadcast, medical imaging, and industrial vision systems demanding simultaneous high speed, low distortion, and robust output drive capability.

FAQ

What supply voltages does the AD828ANZ support?

The AD828ANZ operates from dual supplies ranging from ±2.5 V to ±18 V or single supplies from +5 V to +36 V. It is fully specified at ±5 V, ±15 V, and 0 V/+5 V configurations, with quiescent current remaining ≤15 mA across all conditions. The AD828ANZ maintains 130 MHz bandwidth and 450 V/µs slew rate only at ±15 V; at +5 V, bandwidth drops to 45 MHz and slew rate to 250 V/µs.

Can the AD828ANZ drive 75 Ω back-terminated coaxial cable directly?

Yes, the AD828ANZ delivers 50 mA minimum output current per amplifier and 3.2 V output swing into 150 Ω at +5 V supply - sufficient to drive standard 75 Ω video lines with proper termination. Figure 9 in the AD828ANZ datasheet shows a validated video line driver circuit achieving 0.1 dB flatness to 40 MHz and 0.01% differential gain error using the AD828ANZ in this configuration.

What is the maximum junction temperature for the AD828ANZ in mini-DIP package?

The AD828ANZ in 8-lead plastic mini-DIP (N-8) package has a thermal resistance θ_JA of 100°C/W. With maximum ambient temperature of +85°C and 15 mA total supply current at ±15 V (225 mW dissipation), junction temperature reaches 107.5°C - within the 150°C absolute maximum rating. Derating curves in the AD828ANZ datasheet confirm safe operation up to +85°C ambient.

Does the AD828ANZ require external compensation for stability?

No, the AD828ANZ is internally compensated for unity-gain stable operation and does not require external capacitors for basic configurations. However, when driving capacitive loads >10 pF or using gains < +2, a small feedback capacitor (1–5 pF) across the gain-setting resistor is recommended to suppress peaking, as documented in the "Applying the AD828" section of the AD828ANZ datasheet.

How does the AD828ANZ perform in dual-channel matching applications?

The AD828ANZ provides tightly matched dynamic and DC parameters: 0.2 dB gain flatness match at 40 MHz, –80 dB crosstalk at 5 MHz, and 2 mV input offset voltage match across temperature. These specifications enable synchronized dual-path video processing in applications like stereo imaging or dual-sensor fusion where inter-channel skew or gain mismatch would degrade system-level accuracy.