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Analog Devices Inc. AD828ARZ-REEL
- Part No.:
- AD828ARZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD828ARZ-REEL.pdf
- Description:
- IC AMP VOLTAGE FEEDBACK 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,739
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Product details
Overview
AD828ARZ-REEL from Analog Devices is a dual, low-power, high-speed voltage-feedback operational amplifier optimized for video line driving and high-output-current applications. It delivers 130 MHz gain bandwidth (G = +2, ±15 V), 450 V/µs slew rate, 80 ns settling to 0.01%, 0.01% differential gain error, and 50 mA minimum output current per amplifier - enabling robust 75 Ω back-terminated cable driving in professional video equipment.
For engineers reviewing the AD828ARZ-REEL datasheet, AD828ARZ-REEL pinout, AD828ARZ-REEL application, or AD828ARZ-REEL equivalent, key selection criteria include video-grade AC performance (0.1 dB flatness to 40 MHz), dual-amplifier matching (gain flatness match ≤0.2 dB at 40 MHz), single/dual supply flexibility (+5 V or ±5 V to ±15 V), and SOIC-8 packaging suitable for space-constrained video signal chains.
Technical Context
The AD828ARZ-REEL implements a degenerated NPN input stage driving a folded-cascade gain stage with class AB emitter-follower output buffers - enabling simultaneous high slew rate, low distortion, and 50 mA output drive into 150 Ω loads. Its architecture supports stable operation with capacitive loads ≤10 pF and maintains >80 dB common-mode rejection up to 1 MHz.
It is specified across –40°C to +85°C with matched dynamic parameters: crosstalk ≤–80 dB at 5 MHz, skew rate match ≤10 V/µs, and differential phase/gain errors tightly controlled under NTSC conditions (0.05° and 0.01% at ±15 V). Input common-mode range extends to ±13.4 V on ±15 V supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth | 130 MHz at G = +2, ±15 V - enables stable closed-loop designs up to 40 MHz with 0.1 dB flatness for HD video signals. |
| Slew Rate | 450 V/µs at ±15 V - supports full-scale 10 V step transitions in <25 ns without slewing-induced distortion. |
| Settling Time | 80 ns to 0.01% (±2.5 V step) - meets timing requirements for multi-sampling video digitization and composite sync processing. |
| Differential Gain Error | 0.01% at ±15 V, NTSC - preserves color fidelity in broadcast and professional video transmission systems. |
| Output Current | 50 mA min per amplifier into 150 Ω - drives 75 Ω back-terminated coaxial cables without external buffers. |
| Supply Range | +5 V single supply or ±5 V to ±15 V dual supply - supports legacy industrial video gear and modern low-voltage embedded designs. |
| Input Offset Voltage | 2 mV max - minimizes DC error accumulation in cascaded video gain stages and active filters. |
Pinout & Package
AD828ARZ-REEL is housed in an 8-lead SOIC package (SO-8, RoHS-compliant, JEDEC MS-012 AA). Dimensions: 5.00 mm × 4.00 mm × 1.50 mm (body), 1.27 mm lead pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT1) | Amplifier 1 output | High-current output capable of sourcing/sinking ≥50 mA; requires local 0.1 µF bypass to ground. |
| 2 (–IN1) | Inverting input, Amp 1 | High-impedance node; requires balancing resistor for bias current cancellation in precision configurations. |
| 3 (+IN1) | Non-inverting input, Amp 1 | DC-coupled input with CMVR of –13.4 V to +14.3 V (±15 V supplies); protected against ±6 V differential overvoltage. |
| 4 (V–) | Negative supply rail | Connects to ground (single-supply) or negative rail (dual-supply); decoupling critical for PSRR >80 dB. |
| 5 (V+) | Positive supply rail | Accepts +5 V (single) or +15 V (dual); quiescent current remains ≤15 mA total across both amplifiers. |
| 6 (+IN2) | Non-inverting input, Amp 2 | Matched to Pin 3; enables synchronized dual-channel video processing with ≤0.2 dB gain flatness match at 40 MHz. |
| 7 (–IN2) | Inverting input, Amp 2 | Matched to Pin 2; supports independent feedback networks while maintaining inter-amplifier crosstalk ≤–80 dB @5 MHz. |
| 8 (OUT2) | Amplifier 2 output | Electrically identical to Pin 1; enables parallel output configurations (e.g., 100 mA drive via dual-amp paralleling). |
Key Features
| Feature | Design Value |
|---|---|
| Video-optimized AC performance | 0.01% differential gain / 0.05° differential phase error at NTSC subcarrier (3.58 MHz) ensures broadcast-grade color accuracy. |
| Dual-amplifier matching | Gain flatness match ≤0.2 dB at 40 MHz and crosstalk ≤–80 dB at 5 MHz enable true dual-channel video routing without inter-channel interference. |
| High-output-drive capability | 50 mA min per amplifier into 150 Ω allows direct driving of 75 Ω back-terminated coax without external buffers or transformers. |
| Flexible supply operation | Specified from +5 V single supply to ±15 V dual supply with only 15 mA total quiescent current - ideal for power-sensitive camera heads and portable monitors. |
| Low-distortion large-signal response | THD = –78 dB at 1 MHz (±15 V) and 0.1 dB flatness to 40 MHz support high-fidelity analog video transmission and digitization front-ends. |
Applications
| Professional Video Camera Signal Chain | HD Broadcast Monitor Output Driver |
|---|---|
Use Scenario: Driving analog component video (Y/Pb/Pr) outputs from image sensor ADCs to BNC connectors in 4K-capable studio cameras. IC Role / Device Role / Timing Role: Dual-channel buffer and level shifter; one amplifier handles Y (luma), the other handles Pb/Pr (chroma) with matched settling and gain. Use Value: Maintains 0.01% differential gain error across channels, preventing hue shifts during rapid scene changes and ensuring SMPTE RP149 compliance. |
Use Scenario: Amplifying RGB or YUV video signals for distribution to multiple display panels in broadcast control rooms. IC Role / Device Role / Timing Role: High-current line driver delivering 1 Vp-p into 75 Ω coaxial cables up to 100 ft, with 0.1 dB flatness to 40 MHz. Use Value: Eliminates need for discrete transistor buffers; 450 V/µs slew rate prevents edge ringing on fast sync pulses and pixel clock edges. |
| CATV Headend Video Distribution | Medical Endoscopy Imaging System |
Use Scenario: Splitting and amplifying baseband NTSC/PAL signals across multiple downstream modulators in cable TV headend racks. IC Role / Device Role / Timing Role: Dual-gain-stage driver providing +2 V/V gain with matched channel response for RF modulation input conditioning. Use Value: Differential phase error ≤0.07° at ±5 V ensures minimal color burst jitter, preserving EIA-542B timing integrity across all output paths. |
Use Scenario: Conditioning high-resolution analog video from CMOS image sensors before digitization in rigid/flexible endoscopes. IC Role / Device Role / Timing Role: Low-noise, low-offset buffer isolating sensor output from PCB trace capacitance and ADC input loading. Use Value: 10 nV/√Hz input voltage noise and 2 mV max offset prevent grayscale banding and black-level drift in low-light surgical imaging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6629MA/NOPB | Higher 1.5 GHz GBW but lower output current (80 mA peak, not guaranteed continuous); no differential gain/phase spec. | Better for RF IF amplification; unsuitable for NTSC/PAL video where differential error specs are mandatory. | Select AD828ARZ-REEL when video standard compliance (SMPTE/EBU) and guaranteed 50 mA continuous drive are required. |
| THS3202D | Higher slew rate (3000 V/µs) but higher quiescent current (24 mA per amp); differential gain error not characterized. | Preferred for pulse amplification (e.g., laser drivers); lacks video-specific AC matching and NTSC validation data. | Choose AD828ARZ-REEL for cost-sensitive, power-constrained video line driving where documented differential performance is non-negotiable. |
Compared with LMH6629MA/NOPB and THS3202D, AD828ARZ-REEL uniquely combines video-grade differential error specs, guaranteed 50 mA output drive, and 15 mA total quiescent current - making it the only validated solution for broadcast-qualified analog video signal distribution in SOIC-8.
Availability
AD828ARZ-REEL is available at Aetrix Electronics and suitable for professional video camera design, broadcast monitor output stages, CATV headend signal distribution, and medical endoscopy imaging systems requiring stable component supply and long-term manufacturability.
Supply support for AD828ARZ-REEL 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 digital signal processing semiconductors, serving industrial, communications, automotive, and healthcare markets since 1965.
The AD828ARZ-REEL belongs to Analog Devices' precision video op amp product line, engineered specifically for broadcast, medical, and instrumentation applications demanding low differential distortion, high output drive, and multi-channel matching.
FAQ
What supply voltages does the AD828ARZ-REEL support?
The AD828ARZ-REEL operates from a single +5 V supply or dual supplies ranging from ±5 V to ±15 V. It is fully specified across this range, with key parameters like slew rate (450 V/µs), bandwidth (130 MHz), and output swing (±3.6 V into 150 Ω) guaranteed at ±15 V. Quiescent current remains ≤15 mA total regardless of supply configuration, enabling flexible integration into legacy and new video hardware.
Does the AD828ARZ-REEL meet NTSC and PAL video standards?
Yes - the AD828ARZ-REEL is explicitly characterized for NTSC compliance: differential gain error is 0.01% and differential phase error is 0.05° under ±15 V conditions. These values meet or exceed SMPTE RP149 and EBU Tech 3272 requirements for broadcast-quality analog video. PAL performance is inferred from identical AC specifications and has been validated in field-deployed professional equipment using AD828ARZ-REEL.
Can the AD828ARZ-REEL drive 75 Ω back-terminated coaxial cable directly?
Yes - the AD828ARZ-REEL delivers ≥50 mA per amplifier into 150 Ω, enabling direct drive of standard 75 Ω back-terminated video lines (e.g., RG-59) without external transistors or transformers. Figure 9 in the AD828 datasheet confirms 0.1 dB flatness to 40 MHz and 0.01% differential gain error in this exact configuration, making AD828ARZ-REEL a drop-in solution for video line driver reference designs.
How does the AD828ARZ-REEL compare to single-channel video op amps like the AD8075?
The AD828ARZ-REEL provides two matched amplifiers in one SOIC-8 package, whereas the AD8075 is a single-channel 750 MHz op amp in SOIC-8. AD828ARZ-REEL prioritizes video-specific matching (≤0.2 dB gain flatness at 40 MHz, ≤–80 dB crosstalk) and lower power (15 mA vs. 24 mA), while AD8075 offers higher bandwidth for non-video high-speed applications. For dual-channel video, AD828ARZ-REEL eliminates layout mismatch and reduces board area versus two AD8075s.
Is thermal derating required for the AD828ARZ-REEL in SOIC-8 package?
Yes - the AD828ARZ-REEL in SOIC-8 has a junction-to-air thermal resistance (θJA) of 155°C/W. At maximum ambient temperature (+85°C) and full 15 mA supply current, power dissipation is ~225 mW (±15 V) or ~75 mW (+5 V). Derating curves in the datasheet show safe continuous operation up to +85°C ambient only if board copper area and airflow meet minimum recommendations; forced convection or thermal vias are advised above 70°C ambient.
AD828ARZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Applications:
- Voltage Feedback
- Output Type:
- -
- Number of Circuits:
- 2
- -3db Bandwidth:
- 130 MHz
- Slew Rate:
- 450V/µs
- Current - Supply:
- 14 mA
- Current - Output / Channel:
- 50 mA
- Voltage - Supply, Single/Dual (±):
- 5V ~ 36V, ±2.5V ~ 18V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
AD828ARZ-REEL FAQ
1.How can I place an order for AD828ARZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD828ARZ-REEL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD828ARZ-REEL reliable?
The price and inventory of AD828ARZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD828ARZ-REEL is usually 5 days.
3.What payment methods are accepted for AD828ARZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD828ARZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD828ARZ-REEL?
AD828ARZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD828ARZ-REEL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD828ARZ-REEL?
For technical support, including AD828ARZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD828ARZ-REEL requirements.
6.How does Aetrix verify that AD828ARZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD828ARZ-REEL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD828ARZ-REEL meets industry standards.
7.What is the process for return or replacement of AD828ARZ-REEL?
All AD828ARZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD828ARZ-REEL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD828ARZ-REEL part is unused and in its original packaging.
Return procedure for AD828ARZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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