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Analog Devices Inc. ADA4862-3YRZ
- Part No.:
- ADA4862-3YRZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
ADA4862-3YRZ.pdf
- Description:
- IC OPAMP GP 3 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,933
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Product details
Overview
ADA4862-3YRZ from Analog Devices is a triple, high-speed, low-cost operational amplifier with internally fixed G = +2 gain, 300 MHz −3 dB bandwidth (G = +2, VO = 0.2 V p-p), 750 V/μs slew rate, and 9 ns settling time to 0.5%. It delivers 0.02% differential gain and 0.03° differential phase for RGB/HD/SD video line driving at 1080i/720p resolution.
For engineers reviewing the ADA4862-3YRZ datasheet, ADA4862-3YRZ pinout, ADA4862-3YRZ application, or ADA4862-3YRZ equivalent, key selection criteria include its on-chip 550 Ω gain-setting resistors, independent power-down pins per amplifier, 14-lead SOIC package, −40°C to +105°C operating range, and compatibility with ±5 V or +5 V single-supply operation.
Technical Context
The ADA4862-3YRZ implements three independent high-speed voltage-feedback amplifiers with fixed +2 noninverting gain via internal 550 Ω resistors, eliminating external feedback components. Each amplifier features a dedicated power-down pin referenced to −VS, enabling independent shutdown with 200 μA/amp quiescent current in disabled state.
It supports configurable gains of +1 and −1 using external connections while maintaining video-optimized performance: 65 MHz 0.1 dB flatness (G = +2, VO = 2 V p-p), −75 dB crosstalk at 1 MHz, and 10.6 nV/√Hz output-referred voltage noise at 100 kHz. Input common-mode range extends to rail-to-rail under G = +1 configuration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3 dB Bandwidth | 300 MHz at G = +2, VO = 0.2 V p-p - enables full-spectrum fidelity for 1080i/720p video signals |
| Slew Rate | 750 V/μs rising edge - supports fast transient response without distortion in composite video drivers |
| Settling Time | 9 ns to 0.5% - ensures accurate pixel-level signal reconstruction in high-resolution analog video paths |
| Differential Gain / Phase | 0.02% / 0.03° - meets broadcast-grade color fidelity requirements for professional RGB and component video |
| Supply Range | +5 V single supply or ±5 V dual supply - simplifies system power architecture in consumer and pro AV equipment |
| Quiescent Current | 5.3 mA per amplifier enabled - balances speed and power efficiency for multi-channel video systems |
| Operating Temperature | −40°C to +105°C - supports deployment in industrial enclosures and automotive display modules |
Pinout & Package
The ADA4862-3YRZ is housed in a 14-lead SOIC_N (R-14) package with standard JEDEC MS-012-AB dimensions, 90°C/W junction-to-ambient thermal resistance, and Pb-free (RoHS-compliant) finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | Power Down 1/2/3 | Independent enable/disable control per amplifier; logic-high (> −VS + 1 V) disables, reducing current to 200 μA/amp |
| 4 | +VS | Positive supply input - accepts +5 V to +12 V or connects to +5 V in dual-supply mode |
| 5, 10, 12 | +IN 1/3/2 | Noninverting inputs - high-impedance (14 MΩ) nodes optimized for video source interfacing |
| 6, 9, 13 | −IN 1/3/2 | Inverting inputs - internally tied to 550 Ω resistors for fixed G = +2; usable as summing nodes in G = −1 mode |
| 7, 8, 14 | VOUT 1/3/2 | Amplifier outputs - drive 150 Ω loads to 1.2–3.8 V swing (+5 V supply) or ±3.5 V (±5 V supply) |
| 11 | −VS | Negative supply input - serves as logic reference for power-down pins in single-supply configurations |
Key Features
| Feature | Design Value |
|---|---|
| On-chip 550 Ω gain resistors | Eliminates six external SMT resistors, reduces board area, improves layout repeatability, and avoids resistor matching errors |
| Independent per-amplifier power-down | Enables dynamic channel gating in multi-output video systems, cutting total supply current from 16 mA to ≤1 mA when two amps are disabled |
| 0.1 dB flatness to 65 MHz | Preserves amplitude integrity across HD video baseband spectrum (0–30 MHz), minimizing luminance/chrominance tilt |
| Low differential phase error (0.03°) | Maintains precise hue reproduction in RGB and YPbPr signals, critical for broadcast monitoring and medical imaging displays |
| Single-supply operation support | Operates from +5 V with midsupply biasing - enables integration into cost-sensitive consumer STBs, set-top boxes, and HDMI-to-analog converters |
Applications
| RGB Video Distribution | HD Component Video Driver |
|---|---|
Use Scenario: Driving three synchronized RGB signals from a graphics processor to multiple monitors or projectors. IC Role / Device Role / Timing Role: Triple buffer amplifier with matched gain and phase across channels to preserve color registration and timing alignment. Use Value: On-chip resistors ensure identical G = +2 gain per channel, eliminating inter-channel skew and differential gain drift over temperature. | Use Scenario: Amplifying Y, Pb, and Pr signals in 720p/1080i broadcast equipment before transmission over coaxial cable. IC Role / Device Role / Timing Role: High-fidelity line driver delivering 0.02% differential gain and 0.03° phase accuracy to meet SMPTE 253M specifications. Use Value: 300 MHz bandwidth and 65 MHz 0.1 dB flatness maintain chroma burst integrity and luma edge sharpness across full HD bandwidth. |
| Professional Camera Output Stage | Video Switcher Channel Buffer |
Use Scenario: Conditioning analog video outputs from digital cinema cameras prior to recording or live streaming. IC Role / Device Role / Timing Role: Low-noise, low-distortion buffer isolating sensor signal chain from variable downstream loads. Use Value: −88 dBc HD3 at 1 MHz and 10.6 nV/√Hz noise floor prevent harmonic contamination of critical image detail. | Use Scenario: Providing gain and isolation between crosspoint switch matrix outputs and monitor feed lines in broadcast production switchers. IC Role / Device Role / Timing Role: Fast-settling (9 ns) triple amplifier enabling glitch-free transitions during real-time video routing. Use Value: Independent power-down pins allow unused channels to be disabled mid-operation, reducing heat and crosstalk in dense PCB layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed triple op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4862-3YRDZ | Same die, 14-lead SOIC package but with different tape-and-reel ordering option (RL1 vs RL71); identical electrical specs and pinout | No functional difference - used interchangeably in same PCB footprint and thermal design | Select ADA4862-3YRDZ only if procurement requires 2,500-unit reels; otherwise ADA4862-3YRZ-RL71 (1,000-unit reel) matches standard production volumes |
| THS3203D | Triple 1.8 GHz GBW op amp with external gain setting; higher bandwidth but no on-chip resistors or power-down pins | Better for RF or wideband instrumentation; lacks video-optimized distortion specs and integrated power management | Choose THS3203D only when >500 MHz small-signal bandwidth is required and board space allows external resistor networks |
Compared with ADA4862-3YRDZ, the ADA4862-3YRZ offers identical performance in a functionally equivalent package variant optimized for 1,000-unit procurement batches; versus THS3203D, it trades raw bandwidth for video-specific linearity, integrated gain, and per-channel power control-making it superior for cost-sensitive, space-constrained RGB/HD video systems.
Availability
ADA4862-3YRZ is available at Aetrix Electronics and suitable for RGB video distribution, HD component video driver, professional camera output stage, and video switcher channel buffer applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADA4862-3YRZ 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, communications, and industrial markets since 1965.
The ADA4862-3YRZ belongs to Analog Devices' high-speed video amplifier product line, engineered specifically for broadcast-quality analog video signal conditioning with emphasis on differential gain/phase accuracy, low distortion, and minimal board-area footprint.
FAQ
What is the maximum load capacitance the ADA4862-3YRZ can drive while maintaining stability?
The ADA4862-3YRZ remains stable driving up to 9 pF capacitive load with 150 Ω resistive termination, as verified by transient response plots in Figures 8 and 11 of the datasheet. For loads exceeding 9 pF, external series output resistance (e.g., 10–22 Ω) is recommended to suppress peaking and ensure monotonic settling within the specified 9 ns to 0.5%.
Can the ADA4862-3YRZ operate from a single +3.3 V supply?
No - the ADA4862-3YRZ requires a minimum total supply voltage of 5 V (e.g., +5 V/0 V or ±2.5 V). Operation below 5 V violates Absolute Maximum Ratings and results in undefined output swing, degraded bandwidth, and potential latch-up. The device is not characterized or guaranteed for +3.3 V operation.
How does the power-down feature affect output impedance and DC offset in disabled state?
When powered down, each amplifier's output enters high-impedance state (not tri-stated), with typical leakage current <100 nA and DC offset undefined. The output is effectively disconnected from internal circuitry, preventing loading of downstream stages but requiring external pull-down/pull-up if bus contention must be avoided.
Is the ADA4862-3YRZ pin-compatible with the ADA4860-3 or ADA4855-3?
No - the ADA4862-3YRZ has a unique 14-pin SOIC pinout with dedicated power-down pins (Pins 1–3) and nonstandard input/output assignments. ADA4860-3 uses 8-pin SOIC, and ADA4855-3 uses 16-pin LFCSP; neither shares pin mapping, gain architecture, or power-down functionality with ADA4862-3YRZ.
What layout practices are essential to achieve specified 0.02% differential gain performance?
To achieve 0.02% differential gain, maintain symmetric trace lengths and impedances for all three amplifier channels, use solid ground plane beneath the SOIC footprint, place 0.1 μF MLCC bypass capacitors ≤2 mm from each +VS/−VS pin, and route input/output traces away from noisy digital sections. Avoid vias in high-speed signal paths and terminate outputs with 75 Ω or 150 Ω close to the output pin.
ADA4862-3YRZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 3
- Output Type:
- -
- Slew Rate:
- 1050V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 720 MHz
- Current - Input Bias:
- 600 nA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 17.9mA
- Current - Output / Channel:
- 115 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
ADA4862-3YRZ FAQ
1.How can I place an order for ADA4862-3YRZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ADA4862-3YRZ 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 ADA4862-3YRZ reliable?
The price and inventory of ADA4862-3YRZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4862-3YRZ is usually 5 days.
3.What payment methods are accepted for ADA4862-3YRZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4862-3YRZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADA4862-3YRZ?
ADA4862-3YRZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADA4862-3YRZ 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 ADA4862-3YRZ?
For technical support, including ADA4862-3YRZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4862-3YRZ requirements.
6.How does Aetrix verify that ADA4862-3YRZ is sourced from the original manufacturer or authorized distributors?
All ADA4862-3YRZ 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 ADA4862-3YRZ meets industry standards.
7.What is the process for return or replacement of ADA4862-3YRZ?
All ADA4862-3YRZ units undergo pre-shipment inspection (PSI). If there is an issue with ADA4862-3YRZ, 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 ADA4862-3YRZ part is unused and in its original packaging.
Return procedure for ADA4862-3YRZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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