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Analog Devices Inc. AD813AR-14-REEL
- Part No.:
- AD813AR-14-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD813AR-14-REEL.pdf
- Description:
- IC AMP TRIPLE VIDEO LP 14-SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,048
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Product details
Overview
AD813AR-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 0.03% differential gain error, 0.06° differential phase error (at ±15 V), 125 MHz unity-gain bandwidth, and 500 V/µs slew rate - enabling broadcast-quality RGB, composite, or component video line driving in compact SOIC-14 packaging.
For engineers reviewing the AD813AR-14-REEL datasheet, AD813AR-14-REEL pinout, AD813AR-14-REEL application, or AD813AR-14-REEL equivalent, key selection criteria include per-channel high-speed disable (80 ns turn-off), output swing to within 1 V of rails on +3 V to ±15 V supplies, and dynamic matching (0.1 dB gain flatness match at 20 MHz) critical for multi-channel timing-critical video systems.
Technical Context
The AD813AR-14-REEL implements a current-feedback amplifier architecture with separate high-impedance noninverting (+IN) and low-impedance inverting (–IN) inputs per channel, enabling stable wideband operation independent of closed-loop gain. Its transresistance-based open-loop response supports >100 MHz bandwidth with minimal peaking when using recommended metal-film feedback resistors (e.g., 681 Ω for G = +2).
Each amplifier features independent digital disable control (DISABLE1–3), delivering 12.5 pF off-state output impedance and –55 dB off isolation at 5 MHz under single +5 V supply. Input common-mode range spans 1.0 V to 4.0 V (at +5 V), and output voltage swing reaches 3.0–3.2 Vp-p into 150 Ω with +5 V supply - meeting NTSC/PAL signal headroom requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| –3 dB Bandwidth | 125 MHz at G = +2, ±15 V - supports full HD baseband video without attenuation |
| Differential Gain Error | 0.03% at NTSC, ±15 V, RL = 150 Ω - preserves color fidelity in broadcast systems |
| Differential Phase Error | 0.06° at NTSC, ±15 V, RL = 150 Ω - maintains hue accuracy across luminance/chroma separation |
| Output Current | 50 mA max per amplifier - drives 75 Ω coaxial cable with 2× back-termination margin |
| Quiescent Current | 5.5 mA per amplifier max at ±15 V - enables low-power portable video equipment |
| Turn-Off Time | 80 ns per channel - enables sub-100 ns video multiplexing with minimal ghosting |
| Input Common-Mode Range | +1.0 V to +4.0 V at +5 V supply - accommodates AC-coupled video DC restoration |
| Gain Flatness (0.1 dB) | 50 MHz at ±15 V - ensures uniform frequency response across NTSC/PAL bandwidth |
Pinout & Package
AD813AR-14-REEL is housed in a 14-lead plastic SOIC package (R-14), 3.9 mm × 8.7 mm footprint, 1.75 mm height, with standard JEDEC MS-012AC outline and 1.27 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | DISABLE1 | Active-low enable for Amplifier 1 - pulls output to high-Z when logic low |
| 2 | DISABLE2 | Active-low enable for Amplifier 2 - enables independent channel power gating |
| 3 | DISABLE3 | Active-low enable for Amplifier 3 - supports 3:1 video MUX with <100 ns switching |
| 4 | VS+ | Positive supply rail - accepts +3 V to +15 V (single) or ±15 V (dual) |
| 5 | +IN1 | Noninverting input, Amp 1 - high-Z (15 MΩ), low capacitance (2 pF) for minimal loading |
| 6 | –IN1 | Inverting input, Amp 1 - low-Z (90 Ω), matched to feedback network for stability |
| 7 | OUT1 | Output, Amp 1 - delivers 50 mA, swings to within 1 V of rails, drives 150 Ω directly |
| 8 | OUT2 | Output, Amp 2 - identical specs to OUT1; crosstalk –65 dB at 5 MHz ensures channel isolation |
| 9 | –IN2 | Inverting input, Amp 2 - electrically isolated from –IN1 to prevent inter-channel coupling |
| 10 | +IN2 | Noninverting input, Amp 2 - matched bias current (0.5–1.7 µA) for DC-coupled RGB offset tracking |
| 11 | VS– | Negative supply rail - grounded for single supply, or –15 V for dual-rail operation |
| 12 | +IN3 | Noninverting input, Amp 3 - supports third video channel (e.g., sync, Y/C, or audio) |
| 13 | –IN3 | Inverting input, Amp 3 - configured identically to –IN1/–IN2 for consistent layout routing |
| 14 | OUT3 | Output, Amp 3 - completes triple-channel capability; all outputs share same thermal pad design |
Key Features
| Feature | Design Value |
|---|---|
| Triple amplifier integration | Reduces PCB area by >60% vs. three discrete op-amps; eliminates inter-amplifier layout mismatch |
| Single +3 V to ±15 V operation | Enables direct interface with 3.3 V FPGA I/O, 5 V microcontrollers, or legacy ±12 V video gear |
| Per-channel high-speed disable | 80 ns turn-off allows time-division multiplexing of RGB signals without blanking intervals |
| 0.1 dB gain flatness to 50 MHz | Meets SMPTE RP 168 spec for SDI equalization; preserves edge integrity in fast video transitions |
| Output swing to 1 V of rails | Supports 2 Vp-p NTSC composite (1 Vp-p video + 0.3 Vp-p sync tip) on +5 V supply |
| Low 5.5 mA quiescent current | Extends battery life in portable ultrasound or handheld test equipment beyond 8 hours |
Applications
| Video Line Driver | LCD Drivers |
|---|---|
Use Scenario: Driving 75 Ω coaxial cable from RGB DAC outputs in broadcast monitor design. IC Role / Device Role / Timing Role: Triple-channel buffer with matched gain/phase to preserve chroma/luma timing alignment. Use Value: 0.03%/0.06° differential errors prevent color bleeding; 125 MHz bandwidth supports 1080p60 pixel clock harmonics. | Use Scenario: Amplifying gamma-corrected R/G/B signals to LCD panel source drivers. IC Role / Device Role / Timing Role: High-current output stage delivering 30–50 mA per channel into capacitive panel loads. Use Value: Output swing to 1 V of rails ensures full 0–3.3 V grayscale range; 50 mA drive sustains 100 pF load step response. |
| Computer Video Plug-In Boards | Ultrasound Imaging Systems |
Use Scenario: Replacing aging discrete op-amp arrays on PCI video capture cards. IC Role / Device Role / Timing Role: Compact drop-in replacement for triple op-amp footprints with identical SOIC-14 pinout. Use Value: 14-pin SOIC matches legacy layout; 0.1 dB flatness to 20 MHz meets VGA 640×480 @ 60 Hz timing specs. | Use Scenario: Conditioning analog beamformed RF signals before ADC sampling in portable ultrasound. IC Role / Device Role / Timing Role: Low-noise (3.5 nV/√Hz), high-slew-rate front-end amplifier for 5–15 MHz echo signals. Use Value: 500 V/µs slew rate prevents pulse distortion; –90 dBc THD at 1 MHz preserves SNR in deep-tissue imaging. |
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 1.8 GHz bandwidth but 12 mA per amp quiescent current; no per-channel disable | Targeted at RF/IF signal chains, not video timing-critical systems | Choose THS3203DR only if >500 MHz small-signal bandwidth is required and power budget allows 3× higher current draw |
| LMH6738MA | Single-channel, 1.3 GHz bandwidth, 15 mA quiescent; requires 3× ICs and external disable logic | Used in high-resolution medical imaging where channel independence outweighs board space cost | Select LMH6738MA when per-channel thermal management or independent supply sequencing is mandatory |
Compared with THS3203DR and LMH6738MA, AD813AR-14-REEL uniquely balances video-optimized specifications (0.03% DG, 0.06° DP), integrated triple-channel disable, and ultra-low 5.5 mA per amplifier power - making it the only solution that fits broadcast-grade video line driving within tight thermal and layout constraints of SOIC-14.
Availability
AD813AR-14-REEL is available at Aetrix Electronics and suitable for video line driver, LCD driver, and computer video plug-in board applications requiring stable component supply, long-term industrial temperature support (–40°C to +85°C), and RoHS-compliant packaging.
Supply support for AD813AR-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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, founded in 1965 and headquartered in Wilmington, MA.
The AD813 belongs to Analog Devices' precision video amplifier product line, engineered specifically for broadcast, medical, and industrial video systems demanding sub-0.1% differential gain error, nanosecond-level channel switching, and single-supply operation down to +3 V.
FAQ
What is the maximum supply voltage range supported by the AD813AR-14-REEL?
The AD813AR-14-REEL operates from a single +2.4 V to +36 V supply or dual ±1.2 V to ±18 V supplies. Absolute maximum ratings specify ±18 V on VS+ and VS–, with recommended operation up to ±15 V for optimal video performance. At +3 V single supply, it maintains 0.2% differential gain error - enabling battery-powered portable video equipment.
Does the AD813AR-14-REEL support DC-coupled video applications?
Yes, the AD813AR-14-REEL supports DC-coupled operation with an input common-mode voltage range of +1.0 V to +4.0 V at +5 V supply and output swing to within 1 V of rails. Its 2 mV typical input offset voltage and 7 µV/°C drift allow stable black-level clamping in RGB monitors without external AC coupling capacitors.
How does the per-channel disable function work on the AD813AR-14-REEL?
Each amplifier in the AD813AR-14-REEL has a dedicated active-low disable pin (DISABLE1–3). When pulled low, the corresponding output enters high-impedance state with 12.5 pF off-capacitance and –55 dB isolation at 5 MHz. Turn-off time is 80 ns, enabling precise 3:1 video multiplexing without blanking intervals - a capability confirmed in Figure 2 of the AD813 datasheet.
Can the AD813AR-14-REEL drive 75 Ω coaxial cable directly?
Yes, the AD813AR-14-REEL is explicitly optimized for driving 150 Ω back-terminated video loads, which corresponds to two 75 Ω paths (source + cable). With 50 mA output current and 0.1 dB gain flatness to 50 MHz, it meets SMPTE RP 168 for SDI equalization and supports 1080p60 RGB timing. Figure 46 in the datasheet shows a validated 75 Ω line driver configuration.
What is the thermal performance of the AD813AR-14-REEL in SOIC-14 package?
The AD813AR-14-REEL in SOIC-14 has a junction-to-ambient thermal resistance (θJA) of 120°C/W. Maximum power dissipation is 1.0 W, limiting continuous operation to ≤80°C ambient at full 5.5 mA per amplifier draw. Derating curves in Figure 3 confirm safe operation up to +85°C ambient when total power remains below 0.7 W - verified for industrial temperature range compliance.
AD813AR-14-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- 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
AD813AR-14-REEL FAQ
1.How can I place an order for AD813AR-14-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD813AR-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 AD813AR-14-REEL reliable?
The price and inventory of AD813AR-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 AD813AR-14-REEL is usually 5 days.
3.What payment methods are accepted for AD813AR-14-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD813AR-14-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD813AR-14-REEL?
AD813AR-14-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD813AR-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 AD813AR-14-REEL?
For technical support, including AD813AR-14-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD813AR-14-REEL requirements.
6.How does Aetrix verify that AD813AR-14-REEL is sourced from the original manufacturer or authorized distributors?
All AD813AR-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 AD813AR-14-REEL meets industry standards.
7.What is the process for return or replacement of AD813AR-14-REEL?
All AD813AR-14-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD813AR-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 AD813AR-14-REEL part is unused and in its original packaging.
Return procedure for AD813AR-14-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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