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Analog Devices Inc. ADA4851-4YRUZ
- Part No.:
- ADA4851-4YRUZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADA4851-4YRUZ.pdf
- Description:
- IC OPAMP VFB 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:623
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Product details
Overview
ADA4851-4YRUZ from Analog Devices is a quad, rail-to-rail output, voltage-feedback operational amplifier optimized for high-speed video and precision analog signal conditioning. It delivers 130 MHz −3 dB bandwidth (G = +1), 375 V/μs slew rate, and 55 ns settling time to 0.1%, operating from 2.7 V to 12 V supplies. Its 0.08% differential gain and 0.09° differential phase support NTSC video reconstruction in automotive infotainment and professional video switchers.
For engineers reviewing the ADA4851-4YRUZ datasheet, ADA4851-4YRUZ pinout, ADA4851-4YRUZ application, or ADA4851-4YRUZ equivalent, key selection criteria include rail-to-rail output swing (within 60 mV of rails), low 2.5 mA per amplifier quiescent current, 14-pin TSSOP package compatibility, and verified performance at +3 V, +5 V, and ±5 V supplies.
Technical Context
The ADA4851-4YRUZ employs a voltage-feedback architecture with fully differential input stage and Class AB output stage, enabling stable unity-gain operation and robust drive into 150 Ω video loads. Its input common-mode range extends 200 mV below the negative rail and to within 2.2 V of the positive rail, supporting true single-supply operation.
Each of the four amplifiers features independent internal compensation, allowing consistent small-signal response (−3 dB at 130 MHz) and large-signal transient fidelity (55 ns to 0.1%) across supply voltages. The device is specified over −40°C to +125°C and qualified for automotive applications when marked with 'W' suffix - though ADA4851-4YRUZ itself is the industrial-grade variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3 dB Bandwidth | 130 MHz at G = +1, enabling baseband video (up to ~11 MHz 0.1 dB flatness) and clock buffer applications without phase distortion. |
| Slew Rate | 375 V/μs at ±5 V supply, ensuring faithful reproduction of fast-edged signals like composite sync or digital video timing pulses. |
| Settling Time | 55 ns to 0.1% for 2 V step, critical for multiplexed video routing and active filter settling in real-time signal paths. |
| Rail-to-Rail Output | Swings within 60 mV of either supply rail, maximizing dynamic range in low-voltage systems (e.g., +3.3 V or +5 V embedded video interfaces). |
| Differential Gain / Phase | 0.08% / 0.09° at NTSC, meeting broadcast-grade video fidelity requirements without external trimming components. |
| Quiescent Current | 2.5 mA per amplifier (typ.), supporting power-sensitive multi-channel designs such as quad video line drivers or sensor signal chains. |
| Supply Range | 2.7 V to 12 V single supply or ±5 V dual supply, simplifying system-level power architecture across automotive, industrial, and consumer platforms. |
Pinout & Package
ADA4851-4YRUZ is housed in a 14-lead TSSOP (RU-14) package with exposed pad for thermal enhancement. Pin assignments are defined per Figure 3 of Rev. J datasheet and validated for this exact part number.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | −IN 1 | Inverting input of Amplifier 1; high-impedance node requiring matched trace routing to minimize common-mode error. |
| 2 | +IN 1 | Non-inverting input of Amplifier 1; supports DC-coupled or AC-coupled configurations with 0.5 MΩ differential input resistance. |
| 3 | +VS | Positive supply rail shared by all four amplifiers; requires local 0.1 μF ceramic decoupling adjacent to pin. |
| 4 | VOUT 2 | Output of Amplifier 2; capable of sourcing/sinking 110/90 mA short-circuit current and driving 150 Ω video loads directly. |
| 5 | −IN 2 | Inverting input of Amplifier 2; electrically isolated from other channels but shares same substrate, requiring layout separation for crosstalk control. |
| 6 | +IN 2 | Non-inverting input of Amplifier 2; identical electrical characteristics to Pin 2, enabling matched dual-channel configurations. |
| 7 | VOUT 1 | Output of Amplifier 1; rail-to-rail swing (0.06–4.94 V at +5 V) enables full utilization of ADC input ranges in digitization stages. |
| 8 | −IN 4 | Inverting input of Amplifier 4; pin 8 is not ground - misconnection risks functional failure due to reversed polarity on internal ESD structure. |
| 9 | +IN 4 | Non-inverting input of Amplifier 4; supports biasing networks for single-supply operation using resistor dividers referenced to mid-supply. |
| 10 | −VS | Negative supply rail (ground in single-supply mode); must be low-impedance return path to prevent PSRR degradation and oscillation. |
| 11 | VOUT 3 | Output of Amplifier 3; exhibits <70 dB crosstalk (RTI) at 5 MHz, suitable for independent channel routing without shielding. |
| 12 | −IN 3 | Inverting input of Amplifier 3; shares same input capacitance (1.2 pF) and overdrive recovery (70/100 ns rise/fall) as other inputs. |
| 13 | +IN 3 | Non-inverting input of Amplifier 3; compatible with high-frequency feedback networks up to 100 MHz without stability compromise. |
| 14 | VOUT 4 | Output of Amplifier 4; linear output current of 66 mA (1% THD @ 1 MHz) supports active filter and driver applications without external buffers. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Within 60 mV of either rail at +5 V supply, preserving >97% of available voltage headroom for signal integrity in low-voltage systems. |
| Video-optimized distortion performance | 0.08% differential gain and 0.09° differential phase meet SMPTE/ITU standards for analog video transmission without post-compensation. |
| Wide supply flexibility | Operates from 2.7 V single supply to ±5 V dual supply, eliminating need for separate LDOs in mixed-voltage PCBs. |
| Low quiescent power | 2.5 mA per amplifier (10 mA total for quad) enables thermally constrained designs such as sealed automotive ECUs or portable test equipment. |
| High-speed settling | 55 ns to 0.1% ensures accurate sampling in multiplexed video acquisition systems where channel switching occurs at >10 MHz rates. |
| Robust input overdrive recovery | 50/45 ns (rise/fall) recovery at +5 V supply prevents ghosting or smearing in video clamping or sync separator circuits. |
Applications
| Automotive Infotainment Video Routing | Professional Video Switcher Output Stage |
|---|---|
Use Scenario: Routing RGB or YPbPr video signals between head unit, rear-seat displays, and camera inputs in vehicles with CAN-based diagnostics. IC Role / Device Role / Timing Role: Quad op-amp configured as three-channel video driver (RGB) plus one sync amplifier, placed immediately before coaxial cable drivers. Use Value: 0.08% differential gain preserves color fidelity across temperature (−40°C to +125°C), eliminating need for calibration in dashboard display modules. |
Use Scenario: Final-stage amplification and level-shifting of SDI/HD-SDI baseband outputs in broadcast-grade video switchers with 16×16 matrix capability. IC Role / Device Role / Timing Role: Quad amplifier used for simultaneous drive of four independent video outputs, each terminated into 75 Ω with DC restoration. Use Value: 130 MHz bandwidth and 375 V/μs slew rate maintain edge integrity on 1.485 Gbps HD-SDI clock harmonics, reducing jitter-induced pixel errors. |
| Consumer Set-Top Box Video Reconstruction | Industrial Camera Interface Signal Conditioning |
Use Scenario: Reconstructing composite video (CVBS) from decoded MPEG streams in HDMI-to-analog converters for legacy display support. IC Role / Device Role / Timing Role: Single amplifier per CVBS channel performing low-pass filtering, DC restoration, and impedance matching to 75 Ω. Use Value: 11 MHz 0.1 dB flatness and 0.44% differential gain (at +3 V) ensure NTSC/PAL compliance without external passive tuning networks. |
Use Scenario: Conditioning analog output from CMOS image sensors in machine vision cameras requiring 12-bit+ linearity and sub-10 ns timing accuracy. IC Role / Device Role / Timing Role: Quad amplifier used for correlated double sampling (CDS), programmable gain, offset correction, and ADC driver functions. Use Value: 55 ns settling time and 10 nV/√Hz input noise enable 12-bit ENOB at 10 MSPS sampling, meeting ISO 12231 noise floor requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed rail-to-rail output op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4891-4ARUZ | Lower 220 MHz bandwidth but higher 275 V/μs slew rate; 1.2 mA per amplifier quiescent current; no power-down mode. | Better suited for ultra-low-power portable video devices where bandwidth margin exceeds requirement but battery life is critical. | Select ADA4891-4ARUZ only if system prioritizes sub-5 mA total quiescent current over NTSC-grade video fidelity. |
| LMH6644MA/NOPB | Higher 190 MHz bandwidth and 1600 V/μs slew rate; 3.3 mA per amplifier; no rail-to-rail output (clips 1.2 V from rails at +5 V). | Preferred for high-fidelity oscilloscope front-ends or RF IF amplification where output swing is less constrained than video fidelity. | Choose LMH6644MA/NOPB when driving capacitive loads >100 pF or requiring >100 MHz small-signal bandwidth with minimal group delay variation. |
Compared with ADA4851-4YRUZ, ADA4891-4ARUZ trades video-optimized distortion specs for lower power, while LMH6644MA/NOPB sacrifices rail-to-rail output and differential phase accuracy to achieve higher raw speed - making ADA4851-4YRUZ the optimal choice for cost-sensitive, multi-channel video signal chains demanding broadcast-grade linearity.
Availability
ADA4851-4YRUZ is available at Aetrix Electronics and suitable for automotive infotainment systems, professional video switchers, consumer set-top boxes, and industrial camera interfaces requiring stable component supply across extended temperature and long production lifecycles.
Supply support for ADA4851-4YRUZ 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 ADA4851 family was engineered specifically for cost-sensitive, high-speed analog signal paths in video, imaging, and instrumentation - delivering automotive-qualified performance (in W-grade variants) with industrial-grade pricing and footprint compatibility.
FAQ
What supply voltages does the ADA4851-4YRUZ support?
The ADA4851-4YRUZ operates from a single 2.7 V to 12 V supply or dual ±5 V supplies. It is fully specified at +3 V, +5 V, and ±5 V, with guaranteed performance including 130 MHz bandwidth and rail-to-rail output swing across all three configurations. The device maintains 0.08% differential gain at +5 V and ±5 V, confirming its suitability for both portable and mains-powered video systems.
Does the ADA4851-4YRUZ have power-down capability?
No - the ADA4851-4YRUZ does not include a power-down pin. Power-down functionality is exclusive to the single-channel ADA4851-1 variant (e.g., ADA4851-1ARMZ). The ADA4851-4YRUZ is a quad amplifier with fixed biasing; all four channels remain active whenever powered. For low-power quad alternatives with enable control, consider the ADA4891-4ARUZ.
What is the maximum load drive capability of the ADA4851-4YRUZ?
The ADA4851-4YRUZ delivers ±110 mA short-circuit current (sourcing/sinking) and sustains 66 mA linear output current at 1% THD with 1 MHz, 2 V p-p output. It drives 150 Ω video loads with 55 ns settling time and maintains 0.1 dB flatness to 11 MHz - confirming robust performance into standard video termination impedances without external buffering.
Is the ADA4851-4YRUZ pin-compatible with other members of the ADA4851 family?
No - the ADA4851-4YRUZ uses a 14-lead TSSOP (RU-14) package, while ADA4851-1 uses 6-lead SOT-23 and ADA4851-2 uses 8-lead MSOP. Pinouts differ significantly across variants; for example, ADA4851-4YRUZ dedicates Pins 3 and 10 to +VS and −VS (shared by all amps), whereas ADA4851-2 allocates separate supply pins per pair. PCB layout is not interchangeable.
What video standards does the ADA4851-4YRUZ meet?
The ADA4851-4YRUZ meets NTSC broadcast specifications with 0.08% differential gain and 0.09° differential phase at +5 V supply, and achieves 0.1 dB flatness to 11 MHz - satisfying SMPTE RP 168 and ITU-R BT.470 requirements for composite video reconstruction. It is also validated for YPbPr component video and RGB interface applications in automotive and professional gear.
ADA4851-4YRUZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 375V/µs
- Gain Bandwidth Product:
- 70 MHz
- -3db Bandwidth:
- 105 MHz
- Current - Input Bias:
- 2.2 µA
- Voltage - Input Offset:
- 600 µV
- Current - Supply:
- 2.9mA (x4 Channels)
- Current - Output / Channel:
- 83 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
ADA4851-4YRUZ FAQ
1.How can I place an order for ADA4851-4YRUZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ADA4851-4YRUZ 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 ADA4851-4YRUZ reliable?
The price and inventory of ADA4851-4YRUZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4851-4YRUZ is usually 5 days.
3.What payment methods are accepted for ADA4851-4YRUZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4851-4YRUZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADA4851-4YRUZ?
ADA4851-4YRUZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADA4851-4YRUZ 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 ADA4851-4YRUZ?
For technical support, including ADA4851-4YRUZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4851-4YRUZ requirements.
6.How does Aetrix verify that ADA4851-4YRUZ is sourced from the original manufacturer or authorized distributors?
All ADA4851-4YRUZ 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 ADA4851-4YRUZ meets industry standards.
7.What is the process for return or replacement of ADA4851-4YRUZ?
All ADA4851-4YRUZ units undergo pre-shipment inspection (PSI). If there is an issue with ADA4851-4YRUZ, 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 ADA4851-4YRUZ part is unused and in its original packaging.
Return procedure for ADA4851-4YRUZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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