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Analog Devices Inc. AD813ARZ-14-REEL
- Part No.:
- AD813ARZ-14-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD813ARZ-14-REEL.pdf
- Description:
- IC AMP CURRENT FEEDBACK 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,452
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Product details
Overview
AD813ARZ-14-REEL from Analog Devices is a single-supply, low-power triple current-feedback video amplifier optimized for driving 150 Ω back-terminated video loads. It delivers 125 MHz unity-gain bandwidth (–3 dB), 500 V/µs slew rate, and 0.03% differential gain / 0.06° differential phase error at ±15 V, making it suitable for RGB amplification and broadcast-quality video line driving.
For engineers reviewing the AD813ARZ-14-REEL datasheet, AD813ARZ-14-REEL pinout, AD813ARZ-14-REEL application, or AD813ARZ-14-REEL equivalent, key selection considerations include per-channel high-speed disable (80 ns turn-off), output swing to within 1 V of rails, and matching performance across all three amplifiers in a 14-lead SOIC package.
Technical Context
The AD813ARZ-14-REEL implements a current-feedback architecture with 85 Ω inverting input resistance and 15 MΩ noninverting input resistance. Its transimpedance gain structure enables wide bandwidth independent of closed-loop gain setting, with bandwidth scaling inversely with feedback resistor value.
Each channel features independent disable control (DISABLE1–3), enabling dynamic power-down and high-impedance output states for video multiplexing. The device operates from +2.4 V to +36 V single supply or ±1.2 V to ±18 V dual supplies, with quiescent current as low as 3.0 mA per amplifier at +3 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| –3 dB Bandwidth | 125 MHz at G = +2, ±15 V - supports full HD baseband video signal integrity |
| Slew Rate | 500 V/µs at G = +2, ±15 V - ensures minimal distortion on fast video transitions |
| Differential Gain Error | 0.03% at NTSC, G = ±2, RL = 150 Ω, ±15 V - meets broadcast video fidelity requirements |
| Differential Phase Error | 0.06° at NTSC, G = ±2, RL = 150 Ω, ±15 V - preserves color timing accuracy |
| Output Current | 50 mA per amplifier - drives standard 75 Ω or 150 Ω video loads without external buffering |
| Disable Turn-Off Time | 80 ns - enables sub-100 ns channel switching in video MUX applications |
| Supply Range | +2.4 V to +36 V single supply - supports portable (3 V) and industrial (±15 V) operation |
| Quiescent Current | 4.0 mA per amplifier typical at +5 V - enables low-power battery-operated video systems |
Pinout & Package
AD813ARZ-14-REEL is housed in a 14-lead plastic SOIC (Small Outline Integrated Circuit) package with gull-wing leads, RoHS-compliant, tape-and-reel format (13" reel). Pin 1 is marked by a beveled corner or dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | DISABLE1 | Active-low enable/disable control for Amplifier 1; pulls output to high-Z when logic low |
| 2 | DISABLE2 | Active-low enable/disable control for Amplifier 2; independent channel shutdown |
| 3 | DISABLE3 | Active-low enable/disable control for Amplifier 3; enables time-multiplexed video routing |
| 4 | VS+ | Positive supply rail; accepts +2.4 V to +36 V (single) or +18 V (dual) |
| 5 | +IN1 | Noninverting input of Amplifier 1; 15 MΩ input impedance, 2 pF capacitance |
| 6 | –IN1 | Inverting input of Amplifier 1; 85 Ω input resistance, low impedance node for current-feedback operation |
| 7 | OUT1 | Output of Amplifier 1; delivers ±3.8 V swing into 150 Ω at ±5 V supply |
| 8 | OUT2 | Output of Amplifier 2; matched gain flatness (0.1 dB) and crosstalk (–65 dB) vs. OUT1 |
| 9 | –IN2 | Inverting input of Amplifier 2; electrically identical to –IN1 for consistent current-feedback behavior |
| 10 | +IN2 | Noninverting input of Amplifier 2; matched offset voltage (<3.5 mV) and bias current vs. +IN1 |
| 11 | VS– | Negative supply rail; tied to ground in single-supply configurations |
| 12 | +IN3 | Noninverting input of Amplifier 3; shares same input specs and matching as other channels |
| 13 | –IN3 | Inverting input of Amplifier 3; maintains channel-to-channel gain flatness match of 0.1 dB up to 20 MHz |
| 14 | OUT3 | Output of Amplifier 3; supports simultaneous RGB or YUV signal amplification with tight DC matching |
Key Features
| Feature | Design Value |
|---|---|
| Triple amplifier integration | Three fully independent current-feedback amplifiers in one 14-pin SOIC - reduces board area and inter-channel skew vs. discrete solutions |
| Single-supply operation down to +3 V | Enables direct interface with 3.3 V logic and battery-powered portable video equipment without level-shifting |
| Per-channel high-speed disable | 80 ns turn-off time allows precise temporal isolation in 3:1 video multiplexers without ghosting or crosstalk |
| Output swing to 1 V of rails | Delivers >3 Vpp into 150 Ω at +5 V supply - accommodates standard video signal levels (1 Vpp sync + 0.7 Vpp active) |
| Matched dynamic performance | 0.1 dB gain flatness match and –65 dB crosstalk at 5 MHz - preserves color fidelity in RGB systems |
| Low power consumption | 4.0 mA per amplifier at +5 V - supports thermal management in dense video interface modules |
Applications
| RGB Amplifier | Video Line Driver |
|---|---|
Use Scenario: Amplifying red, green, and blue analog video signals in LCD monitor or projector front-end circuitry. IC Role / Device Role / Timing Role: Simultaneous triple-channel buffer and gain stage with matched DC and AC response across all three channels. Use Value: Eliminates inter-channel timing skew and differential gain/phase mismatch that cause color fringing or hue shifts. | Use Scenario: Driving 75 Ω coaxial video cables in broadcast camera interfaces or video distribution amplifiers. IC Role / Device Role / Timing Role: Back-terminated line driver with 125 MHz bandwidth and 0.03% differential gain error. Use Value: Maintains NTSC/PAL signal integrity over 100+ meters of cable without equalization or repeaters. |
| LCD Drivers | Ultrasound Imaging Front-End |
Use Scenario: Driving column drivers or gamma correction DAC outputs in TFT-LCD timing controller boards. IC Role / Device Role / Timing Role: High-current, low-distortion buffer for analog grayscale voltage generation. Use Value: Delivers 50 mA peak current with <0.1% THD to ensure accurate pixel voltage settling across large panels. | Use Scenario: Conditioning echo return signals in portable ultrasound probe analog front-ends. IC Role / Device Role / Timing Role: Low-noise, wideband amplifier for time-gain compensated RF echo bursts (1–15 MHz). Use Value: 3.5 nV/√Hz input voltage noise and 125 MHz bandwidth preserve spatial resolution and contrast sensitivity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triple video amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS3203DR | Higher slew rate (1200 V/µs), but higher quiescent current (12 mA/amplifier); no per-channel disable | Better for ultra-fast pulse applications; unsuitable where dynamic channel gating is required | Select THS3203DR only if bandwidth >200 MHz and disable function is unnecessary |
| LMH6732MA | Single-channel, not triple; 1.8 GHz GBW but requires external gain-setting resistors and layout optimization | Used in high-end test equipment; lacks integrated triple-channel matching and disable logic | Choose LMH6732MA for highest-fidelity single-channel paths; AD813ARZ-14-REEL remains optimal for cost-sensitive RGB/YUV systems |
Compared with THS3203DR and LMH6732MA, AD813ARZ-14-REEL uniquely combines triple-channel integration, per-amplifier disable, and broadcast-grade video specs in a single SOIC package-enabling compact, low-power, and functionally complete video signal conditioning without design compromises.
Availability
AD813ARZ-14-REEL is available at Aetrix Electronics and suitable for RGB video processing, broadcast equipment design, medical imaging front-ends, and portable display interface development requiring stable component supply and long-term manufacturability.
Supply support for AD813ARZ-14-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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AD813 belongs to Analog Devices' precision video amplifier product line, engineered specifically for broadcast, medical, and industrial video signal conditioning where differential gain/phase accuracy, channel matching, and low power are critical.
FAQ
What supply voltage range does the AD813ARZ-14-REEL support?
The AD813ARZ-14-REEL operates from a single +2.4 V to +36 V supply or dual ±1.2 V to ±18 V supplies. At +3 V, it achieves 40 MHz 0.1 dB bandwidth and 0.2% differential gain error; at ±15 V, it delivers 125 MHz bandwidth and 0.03% differential gain error. This wide range supports both portable battery-powered designs and industrial ±15 V systems without redesign.
Does the AD813ARZ-14-REEL support individual channel disable functionality?
Yes, the AD813ARZ-14-REEL provides three dedicated disable pins (DISABLE1, DISABLE2, DISABLE3), each controlling one amplifier independently. When asserted low, each channel enters high-impedance output state with 80 ns turn-off time and –55 dB off-isolation at 5 MHz. This enables precise video multiplexing, power sequencing, and dynamic channel blanking in RGB or YUV systems.
What is the output drive capability of the AD813ARZ-14-REEL into 150 Ω loads?
The AD813ARZ-14-REEL delivers ±3.8 V output swing into 150 Ω at ±5 V supply and ±14.0 V at ±15 V supply, with 50 mA continuous output current per channel. Short-circuit current exceeds 100 mA at ±15 V. This ensures robust driving of back-terminated 75 Ω or 150 Ω video lines while maintaining 0.1 dB gain flatness to 50 MHz.
How does the AD813ARZ-14-REEL achieve low crosstalk between channels?
The AD813ARZ-14-REEL achieves –65 dB crosstalk at 5 MHz through internal layout isolation, matched input structures, and careful die-level routing. PCB-level crosstalk reduction requires separate ground return paths for each amplifier's load, localized 0.1 µF/1 µF bypass capacitors near VS+/VS– pins, and avoidance of overlapping input/output traces - as validated in Figure 40 of the official datasheet.
Is the AD813ARZ-14-REEL suitable for driving capacitive loads such as LCD panel traces?
Yes, the AD813ARZ-14-REEL can drive capacitive loads up to 510 pF with an external series resistor (e.g., 15 Ω), achieving flat frequency response and 150 V/µs effective slew rate. Its high short-circuit current (100 mA) and current-feedback architecture make it well-suited for driving long, lossy LCD column bus lines without peaking or instability - as demonstrated in Figure 44 of the datasheet.
AD813ARZ-14-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Current Feedback
- Output Type:
- -
- Number of Circuits:
- 3
- -3db Bandwidth:
- 100 MHz
- Slew Rate:
- 250V/µs
- Current - Supply:
- 4.5 mA
- Current - Output / Channel:
- 50 mA
- Voltage - Supply, Single/Dual (±):
- 2.4V ~ 36V, ±1.2V ~ 18V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 14-SOIC
AD813ARZ-14-REEL FAQ
1.How can I place an order for AD813ARZ-14-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD813ARZ-14-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 AD813ARZ-14-REEL reliable?
The price and inventory of AD813ARZ-14-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD813ARZ-14-REEL is usually 5 days.
3.What payment methods are accepted for AD813ARZ-14-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD813ARZ-14-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD813ARZ-14-REEL?
AD813ARZ-14-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD813ARZ-14-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 AD813ARZ-14-REEL?
For technical support, including AD813ARZ-14-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD813ARZ-14-REEL requirements.
6.How does Aetrix verify that AD813ARZ-14-REEL is sourced from the original manufacturer or authorized distributors?
All AD813ARZ-14-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 AD813ARZ-14-REEL meets industry standards.
7.What is the process for return or replacement of AD813ARZ-14-REEL?
All AD813ARZ-14-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD813ARZ-14-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 AD813ARZ-14-REEL part is unused and in its original packaging.
Return procedure for AD813ARZ-14-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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