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Analog Devices Inc. AD8072JRZ
- Part No.:
- AD8072JRZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8072JRZ.pdf
- Description:
- IC AMP CURRENT FEEDBACK 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,581
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Product details
Overview
AD8072JRZ from Analog Devices is a dual current-feedback video amplifier optimized for RGB/S-Video line driving in consumer and business electronics. It delivers 100 MHz –3 dB bandwidth, 0.05% differential gain error, and 0.1° differential phase error into 150 Ω loads while consuming only 3.5 mA per amplifier on a single 5 V supply.
For engineers reviewing the AD8072JRZ datasheet, AD8072JRZ pinout, AD8072JRZ application, or AD8072JRZ equivalent, this device is selected for high-speed analog signal conditioning where video fidelity, low power, and SOIC-8 compatibility are critical - especially in compact video interface designs requiring stable DC-coupled gain and rail-to-rail output swing capability.
Technical Context
The AD8072JRZ uses a current-feedback architecture with transimpedance gain stage, enabling wide bandwidth independent of closed-loop gain configuration. Its –IN and +IN terminals exhibit asymmetric input resistance (120 Ω and 1 MΩ), supporting standard video termination schemes without external bias networks.
It operates from a single 5 V to 12 V supply or dual ±2.5 V to ±6 V supplies, with output voltage swing specified as 1.3 V from each rail into 150 Ω - enabling full 1 Vpp video signal handling on 5 V systems. The 500 V/µs slew rate and 25 ns 0.1% settling time support fast transient response in composite and component video paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| –3 dB Bandwidth | 100 MHz at G = +2: supports NTSC/PAL and SVGA video signals without attenuation. |
| Differential Gain Error | 0.05% typ at 3.58 MHz: preserves color saturation accuracy in analog video transmission. |
| Differential Phase Error | 0.1° typ at 3.58 MHz: maintains hue fidelity across broadcast and display interfaces. |
| Slew Rate | 500 V/µs: enables clean reproduction of sharp video edges and sync pulses. |
| Supply Current per Amp | 3.5 mA: allows dual-channel operation under 7 mA total, suitable for power-constrained PCBs. |
| Output Swing | 1.3 V from rails on 5 V supply: delivers 2.4 Vpp headroom for 1 Vpp video with DC coupling. |
| Input Voltage Noise | 3 nV/√Hz at 10 kHz: minimizes noise contribution in baseband video amplification. |
Pinout & Package
AD8072JRZ is housed in an 8-lead narrow-body SOIC (SO-8) package, compliant with JEDEC MS-012, with 1.27 mm pitch and 5.0 mm × 6.2 mm footprint. Thermal resistance θJA = 140°C/W enables operation up to +70°C ambient without forced airflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: OUT1 | Amplifier 1 output | Capable of 30 mA drive into 150 Ω; connects directly to back-terminated video load. |
| 2: –IN1 | Inverting input, Amp 1 | 120 Ω input resistance matches standard video source impedance; requires no external termination. |
| 3: +IN1 | Non-inverting input, Amp 1 | 1 MΩ input resistance enables high-impedance biasing or AC coupling without loading source. |
| 4: –VS | Negative supply rail | Ground reference when operating on single 5 V supply; tied to GND in unipolar configurations. |
| 5: +VS | Positive supply rail | Accepts 5 V to 12 V (single) or ±2.5 V to ±6 V (dual); bypass capacitor required within 3 mm. |
| 6: OUT2 | Amplifier 2 output | Independent output channel; identical drive strength and bandwidth to OUT1. |
| 7: –IN2 | Inverting input, Amp 2 | Matches Pin 2 electrical behavior; supports dual-channel synchronous video buffering. |
| 8: +IN2 | Non-inverting input, Amp 2 | Matches Pin 3; enables separate gain-setting or signal routing per channel. |
Key Features
| Feature | Design Value |
|---|---|
| Current-feedback architecture | Enables constant 100 MHz bandwidth regardless of closed-loop gain setting (G = +1 to +10). |
| Low-distortion video performance | 0.05% differential gain + 0.1° differential phase ensures broadcast-grade color fidelity at 3.58 MHz. |
| Rail-to-rail compatible output swing | Swings to within 1.3 V of either supply rail on 5 V, allowing full-scale 1 Vpp video with DC coupling. |
| High output drive capability | 30 mA per amplifier drives one 150 Ω back-terminated video load without external buffers. |
| Single-supply operation | Operates from 5 V to 12 V with no level-shifting circuitry needed - simplifies power design in embedded video modules. |
Applications
| RGB Video Line Driver | S-Video Amplifier |
|---|---|
|
Use Scenario: Driving red, green, and blue analog signals from GPU or video DAC to LCD panel or projector input. IC Role / Device Role / Timing Role: Dual-channel buffer amplifying baseband RGB components with matched gain and phase response. Use Value: Maintains color accuracy (0.05% DG / 0.1° DP) and edge integrity (25 ns settling) across all three channels using two AD8072JRZ devices. |
Use Scenario: Amplifying luminance (Y) and chrominance (C) signals separately in S-Video outputs of set-top boxes or DVD players. IC Role / Device Role / Timing Role: Dual-path video driver providing independent gain control and DC-coupled output swing for Y/C separation. Use Value: Eliminates need for AC-coupling capacitors and associated DC restoration circuits due to rail-swing capability on 5 V supply. |
| Computer Video Plug-In Board | Legacy Monitor Interface Adapter |
|
Use Scenario: Adding VGA or component video output to industrial PC cards or embedded controllers with limited board space. IC Role / Device Role / Timing Role: Compact dual op-amp performing impedance matching, gain setting, and cable drive for analog video buses. Use Value: SO-8 footprint replaces discrete solutions; 3.5 mA per amp reduces thermal load versus older video amps like LM6172. |
Use Scenario: Converting digital video outputs (e.g., LVDS or TTL) to analog VGA or SCART-compatible signals in legacy equipment upgrades. IC Role / Device Role / Timing Role: Final-stage analog driver ensuring compliance with IEC 61157-1 video signal amplitude and timing standards. Use Value: 100 MHz bandwidth exceeds VGA pixel clock harmonics (up to ~80 MHz), preventing high-frequency roll-off in 1024×768@60Hz systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual video amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6702MA/NOPB | Higher 1.7 GHz bandwidth but 12 mA supply current; requires dual ±5 V supply for optimal video specs. | Better suited for HD/SDI pre-emphasis or RF IF stages, not cost-sensitive baseband video. | Select when >200 MHz bandwidth is mandatory and power budget allows 3.4× higher quiescent draw. |
| THS3202D | Lower 0.1 dB flatness (6 MHz vs. 10 MHz), higher 0.25% differential gain error; 10 mA supply current. | Acceptable for non-broadcast consumer displays where color fidelity is less critical. | Choose only if SO-8 pinout compatibility is required and 0.05% DG spec is not enforced by system-level test. |
Compared with LMH6702MA/NOPB and THS3202D, the AD8072JRZ uniquely balances broadcast-grade video accuracy (0.05% DG), low 3.5 mA power, and SO-8 compatibility - making it the preferred choice for cost-sensitive, space-constrained RGB/S-Video line drivers where color fidelity must meet NTSC/PAL specifications.
Availability
AD8072JRZ is available at Aetrix Electronics and suitable for video interface design, analog signal conditioning, and embedded display subsystems requiring stable component supply across production lifecycles.
Supply support for AD8072JRZ 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 precision instrumentation, industrial automation, and communications markets since 1965.
The AD8072JRZ belongs to Analog Devices' video amplifier product line, engineered specifically for cost-sensitive, high-volume analog video signal distribution in consumer electronics and computer peripherals.
FAQ
What is the maximum operating temperature range for the AD8072JRZ?
The AD8072JRZ is rated for commercial operation from 0°C to +70°C ambient temperature. It is not qualified for industrial (–40°C to +85°C) use - that specification applies only to the AD8072ARM variant in µSOIC package. Operating the AD8072JRZ outside its rated range may cause parametric shift or reliability degradation.
Can the AD8072JRZ drive a 75 Ω video load?
The AD8072JRZ is characterized and optimized for 150 Ω back-terminated loads, delivering specified differential gain/phase and bandwidth under that condition. Driving a 75 Ω load increases output current demand beyond the 30 mA rating and degrades distortion performance; external current-boosting circuitry or a dedicated 75 Ω driver like the ADA4870 is recommended instead.
Does the AD8072JRZ support single-supply operation with AC-coupled inputs?
Yes - the AD8072JRZ supports single 5 V supply operation with AC-coupled inputs. Its input common-mode voltage range extends from 1.2 V to 3.8 V, and the +IN pins have 1 MΩ impedance, enabling standard RC-coupled configurations. However, DC coupling is preferred to preserve low-frequency video content and avoid sync pulse distortion.
What is the minimum feedback resistor value recommended for stable operation of the AD8072JRZ?
Analog Devices specifies 649 Ω as the minimum practical feedback resistor value for the AD8072JRZ. Using lower values risks gain flatness degradation and increased lot-to-lot variation. At RF = 649 Ω and RG = 649 Ω (G = +2), the device maintains 0.1 dB flatness to 10 MHz and full 100 MHz bandwidth.
Is the AD8072JRZ pin-compatible with other dual op-amps in SO-8 packages?
No - the AD8072JRZ uses a nonstandard SO-8 pinout optimized for video: Pins 1/6 are outputs, Pins 2/7 are inverting inputs, Pins 3/8 are non-inverting inputs, and Pins 4/5 are supply rails. It is not pin-compatible with general-purpose dual op-amps (e.g., OP27, AD822) or other video amps like the AD8002. Layout must follow the documented pin mapping.
AD8072JRZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- Current Feedback
- Output Type:
- -
- Number of Circuits:
- 2
- -3db Bandwidth:
- 100 MHz
- Slew Rate:
- 500V/µs
- Current - Supply:
- 3.5 mA
- Current - Output / Channel:
- 30 mA
- Voltage - Supply, Single/Dual (±):
- 5V ~ 12V, ±2.5V ~ 6V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-SOIC
AD8072JRZ FAQ
1.How can I place an order for AD8072JRZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8072JRZ 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 AD8072JRZ reliable?
The price and inventory of AD8072JRZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8072JRZ is usually 5 days.
3.What payment methods are accepted for AD8072JRZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8072JRZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8072JRZ?
AD8072JRZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8072JRZ 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 AD8072JRZ?
For technical support, including AD8072JRZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8072JRZ requirements.
6.How does Aetrix verify that AD8072JRZ is sourced from the original manufacturer or authorized distributors?
All AD8072JRZ 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 AD8072JRZ meets industry standards.
7.What is the process for return or replacement of AD8072JRZ?
All AD8072JRZ units undergo pre-shipment inspection (PSI). If there is an issue with AD8072JRZ, 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 AD8072JRZ part is unused and in its original packaging.
Return procedure for AD8072JRZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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