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Analog Devices Inc. AD8091AR-REEL
- Part No.:
- AD8091AR-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8091AR-REEL.pdf
- Description:
- IC OPAMP VF R-R LDIST LP 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:7,500
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Product details
Overview
AD8091AR-REEL from Analog Devices is a single, rail-to-rail output voltage-feedback operational amplifier optimized for high-speed, low-power, single-supply operation. It delivers 110 MHz −3 dB bandwidth (G = +1), 145 V/μs slew rate, and 25 mV rail-to-rail output swing at 5 V supply - enabling precision video signal conditioning and active filter implementation in space-constrained portable systems.
For engineers reviewing the AD8091AR-REEL datasheet, AD8091AR-REEL pinout, AD8091AR-REEL application, or AD8091AR-REEL equivalent, key selection criteria include its 4.4 mA quiescent current, 50 ns settling time to 0.1%, 50 pF capacitive load drive capability, and SOT-23-5 package compatibility with battery-powered imaging, CCD interfaces, and coaxial line drivers requiring fast transient response and minimal power overhead.
Technical Context
The AD8091AR-REEL employs a voltage-feedback architecture with fully differential input stage and Class AB output stage, supporting stable operation across ±5 V, +3 V, and +5 V supplies. Its input common-mode range extends 200 mV below the negative rail and within 1 V of the positive rail, while output swing reaches within 25 mV of both rails under 2 kΩ load.
Designed for unity-gain stability, it maintains phase margin >50° at G = +1 with 2 kΩ load and exhibits <0.03% differential gain/phase error (NTSC, RL = 1 kΩ) - confirming suitability for composite video signal paths where timing integrity and amplitude fidelity are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3 dB Bandwidth | 110 MHz at G = +1, 5 V supply - supports full NTSC/PAL baseband video and clock buffer applications up to 20 MHz with 0.1 dB flatness. |
| Slew Rate | 145 V/μs - enables clean 2 V step response in ≤50 ns, critical for sync stripper and active filter transient fidelity. |
| Output Swing | Within 25 mV of rails (RL = 2 kΩ, 5 V) - maximizes dynamic range in single-supply 3 V/5 V systems without level-shifting circuitry. |
| Quiescent Current | 4.4 mA per amplifier - allows dual-channel operation in portable devices with <9 mW total supply power at 5 V. |
| Capacitive Load Drive | 50 pF at G = +1 - permits direct connection to PCB traces, ADC inputs, or cable termination without external isolation resistors. |
| Differential Gain Error | 0.03% (NTSC, RL = 1 kΩ) - meets broadcast-grade video linearity requirements for professional camera and CCD imaging systems. |
| Input Voltage Noise | 16 nV/√Hz at 10 kHz - preserves SNR in low-amplitude sensor signal chains such as DVD laser diode control or medical ultrasound front ends. |
Pinout & Package
AD8091AR-REEL is packaged in a 5-lead SOT-23 (RJ-5) surface-mount outline measuring 2.9 mm × 1.6 mm × 1.1 mm, optimized for high-density portable PCB layouts and automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VOUT (Pin 1) | Amplifier output | Delivers rail-to-rail voltage swing; drives 45 mA into loads referenced to either supply rail. |
| –VS (Pin 2) | Negative supply | Accepts ground (single-supply) or −5 V (dual-supply); input common-mode extends 200 mV below this pin. |
| +IN (Pin 3) | Noninverting input | High-impedance node (290 kΩ) with 1.4 pF capacitance; requires tight layout to avoid instability with capacitive sources. |
| +VS (Pin 4) | Positive supply | Supports 3 V to 12 V operation; PSRR ≥70 dB ensures immunity to supply ripple in noisy embedded environments. |
| –IN (Pin 5) | Inverting input | Feedback node for closed-loop gain setting; internal compensation enables unity-gain stability without external components. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Swings within 25 mV of both supply rails at 2 kΩ load - eliminates need for level-shifting in 3 V/5 V video and imaging signal paths. |
| Single-supply operation | Operates from +3 V to +12 V with input range extending 200 mV below −VS - simplifies power architecture in battery-powered cameras and portable test equipment. |
| Low distortion | −80 dBc THD at 1 MHz (RL = 100 Ω) - preserves harmonic integrity in active filters and clock buffers driving high-speed ADCs or DACs. |
| Fast settling | 50 ns to 0.1% for 2 V step - ensures accurate pulse reconstruction in sync strippers and digital video timing recovery circuits. |
| Video-optimized performance | 0.03% differential gain/phase error (NTSC, RL = 1 kΩ) - meets SMPTE 170M compliance for professional video switchers and broadcast capture hardware. |
Applications
| Coaxial Cable Drivers | Active Filters |
|---|---|
Use Scenario: Driving 75 Ω coaxial video lines in security camera DVRs and broadcast distribution amplifiers. IC Role / Device Role / Timing Role: Buffer and impedance-match composite video signals while preserving rise/fall times and minimizing group delay variation. Use Value: 110 MHz bandwidth and 50 pF load drive enable direct 75 Ω termination without series resistors, reducing BOM count and board area. | Use Scenario: Implementing 2 MHz biquad band-pass filters in ultrasound front-end receivers before ADC sampling. IC Role / Device Role / Timing Role: High-speed gain stage in multi-pole active filter topologies requiring low phase shift and wide open-loop bandwidth. Use Value: 50° phase margin at G = +1 ensures stable filter response with <0.1 dB passband ripple up to 20 MHz. |
| Professional Cameras | CCD Imaging Systems |
Use Scenario: Amplifying analog RGB/YUV outputs from CMOS image sensors in DSLR and cinema cameras. IC Role / Device Role / Timing Role: Rail-to-rail output driver delivering full-swing video signals to FPGA-based image processors or video encoders. Use Value: 0.03% differential gain error maintains color fidelity across temperature, eliminating post-processing calibration in field-deployed units. | Use Scenario: Conditioning charge-domain signals from linear CCD arrays in industrial inspection and document scanning systems. IC Role / Device Role / Timing Role: Low-noise transimpedance or gain stage converting photodiode current to buffered voltage with minimal settling overshoot. Use Value: 16 nV/√Hz input voltage noise and 50 ns settling preserve SNR and spatial resolution in high-speed line-scan applications. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6629MA/NOPB | Higher 1.5 GHz GBW but 12 mA IQ; not rail-to-rail output; SOIC-8 only | Better for RF IF amplification; unsuitable for single-supply rail-to-rail video buffering | Select AD8091AR-REEL when 5 V single-supply rail-to-rail output and <5 mA IQ are required. |
| ADA4891-1ARJZ-R7 | Same SOT-23-5 package; 225 MHz GBW; 4.7 mA IQ; rail-to-rail I/O | Superior bandwidth for >50 MHz clock buffering; higher cost and less video-optimized distortion specs | Choose ADA4891-1ARJZ-R7 only if >200 MHz small-signal bandwidth is mandatory and video differential gain <0.03% is not required. |
Compared with LMH6629MA/NOPB and ADA4891-1ARJZ-R7, AD8091AR-REEL uniquely balances 110 MHz bandwidth, rail-to-rail output, 4.4 mA quiescent current, and NTSC-optimized video linearity in a 5-pin SOT-23 - making it the optimal choice for cost-sensitive, battery-powered imaging and video infrastructure where power, size, and analog fidelity are co-constrained.
Availability
AD8091AR-REEL is available at Aetrix Electronics and suitable for coaxial cable drivers, active filters, and CCD imaging systems requiring stable component supply, long-term lifecycle support, and traceable sourcing for production programs.
Supply support for AD8091AR-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, headquartered in Norwood, MA.
The AD8091 forms part of Analog Devices' precision high-speed op amp product line, engineered specifically for video signal conditioning, portable instrumentation, and single-supply data acquisition where rail-to-rail output swing, low power, and video-grade linearity are essential.
FAQ
What supply voltage ranges does the AD8091AR-REEL support?
The AD8091AR-REEL operates from a single +3 V to +12 V supply or dual ±5 V supplies. At +3 V, it maintains 70 MHz bandwidth and 90 V/μs slew rate; at +5 V, it achieves 110 MHz bandwidth and 145 V/μs slew rate. Input common-mode range extends 200 mV below −VS and within 1 V of +VS, enabling true single-supply functionality. The AD8091AR-REEL datasheet specifies performance across all three configurations with no derating required.
Does the AD8091AR-REEL require external compensation for unity-gain stability?
No, the AD8091AR-REEL is internally compensated for unity-gain stability across all specified supply voltages and load conditions. It remains stable driving 50 pF capacitive loads at G = +1 without external components, as verified in Figure 29 and Figure 30 of the AD8091/AD8092 Rev. C datasheet. This eliminates the need for feedback capacitors or isolation resistors in standard buffer configurations, simplifying design for AD8091AR-REEL-based video line drivers and clock buffers.
What is the maximum output current capability of the AD8091AR-REEL?
The AD8091AR-REEL delivers ±45 mA continuous output current when VOUT is between 0.5 V and 4.5 V on a +5 V supply, and ±45 mA over the full operating temperature range (−40°C to +85°C). Short-circuit current is +80 mA (sourcing) and −130 mA (sinking) at +5 V. These values are measured with RL referenced to midsupply and confirm robust drive capability for 75 Ω video lines and medium-impedance active filter nodes in AD8091AR-REEL designs.
How does the AD8091AR-REEL perform in NTSC video applications?
The AD8091AR-REEL delivers 0.03% differential gain error and 0.03° differential phase error under NTSC conditions (G = +2, RL = 1 kΩ, VS = +5 V), meeting SMPTE 170M broadcast video specifications. Its 20 MHz 0.1 dB bandwidth flatness and −80 dBc THD at 1 MHz ensure minimal color distortion and luminance crosstalk in professional camera outputs and video switcher matrices using AD8091AR-REEL as the final output buffer.
Is the AD8091AR-REEL pin-compatible with other SOT-23-5 op amps?
The AD8091AR-REEL uses a nonstandard SOT-23-5 pinout (VOUT, –VS, +IN, +VS, –IN) that differs from industry-standard pinouts like the OPA355 or MCP6001. While footprint-compatible, direct substitution requires verification of signal routing and power sequencing. The AD8091AR-REEL pinout is explicitly defined in Figure 2 of the Rev. C datasheet and must be implemented as shown to ensure proper biasing and stability in production AD8091AR-REEL circuits.
AD8091AR-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 170V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 110 MHz
- Current - Input Bias:
- 1.4 µA
- Voltage - Input Offset:
- 1.8 mV
- Current - Supply:
- 4.8mA
- Current - Output / Channel:
- 45 mA
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AD8091AR-REEL FAQ
1.How can I place an order for AD8091AR-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8091AR-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 AD8091AR-REEL reliable?
The price and inventory of AD8091AR-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8091AR-REEL is usually 5 days.
3.What payment methods are accepted for AD8091AR-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8091AR-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8091AR-REEL?
AD8091AR-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8091AR-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 AD8091AR-REEL?
For technical support, including AD8091AR-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8091AR-REEL requirements.
6.How does Aetrix verify that AD8091AR-REEL is sourced from the original manufacturer or authorized distributors?
All AD8091AR-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 AD8091AR-REEL meets industry standards.
7.What is the process for return or replacement of AD8091AR-REEL?
All AD8091AR-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD8091AR-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 AD8091AR-REEL part is unused and in its original packaging.
Return procedure for AD8091AR-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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