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Analog Devices Inc. AD8036ARZ-REEL
- Part No.:
- AD8036ARZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8036ARZ-REEL.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,598
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Product details
Overview
AD8036ARZ-REEL from Analog Devices is a unity-gain-stable, voltage-feedback clamp amplifier optimized for high-fidelity signal conditioning in ADC buffering and IF/RF processing. It delivers 240 MHz small-signal bandwidth, 195 MHz large-signal bandwidth (4 Vp-p), –72 dBc third-harmonic distortion at 20 MHz (RL = 500 Ω), 1.5 ns overdrive recovery, and ±3 mV clamp accuracy - enabling precise clamping in broadcast video and high-resolution imaging systems.
For engineers reviewing the AD8036ARZ-REEL datasheet, AD8036ARZ-REEL pinout, AD8036ARZ-REEL application, or AD8036ARZ-REEL equivalent, key selection criteria include clamp input bandwidth (240 MHz), input clamp range (±3.9 V), settling time to 0.01% (16 ns), supply operation (±3 V to ±6 V), and SOIC-8 industrial-grade packaging with tape-and-reel delivery.
Technical Context
The AD8036ARZ-REEL implements Analog Devices' patented CLAMPIN™ architecture, where clamp control voltages (VH, VL) are applied directly to dedicated input terminals - not output feedback paths - enabling dynamic clamp level modulation up to 240 MHz and minimizing nonlinear region distortion. Its voltage-feedback topology provides stable unity-gain operation with 65° phase margin and 55 dB open-loop gain (typ).
Unlike traditional output-clamp amplifiers, the AD8036ARZ-REEL maintains low output impedance (<0.3 Ω) and consistent slew rate (1200 V/µs) during clamping transitions, avoiding open-loop instability and output swing degradation. Clamp error remains ≤±3 mV across temperature (–40°C to +85°C) with <100 mV nonlinearity range and ±40 µA clamp input bias current (VH/VL = ±1 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-Signal Bandwidth | 240 MHz (–3 dB, VOUT ≤ 0.4 Vp-p): supports wideband IF sampling and baseband video signal integrity. |
| Large-Signal Bandwidth | 195 MHz (4 Vp-p, RL = 100 Ω): enables full-swing high-speed waveform capture without slew-induced distortion. |
| Clamp Accuracy | ±3 mV (2× overdrive, VH/VL = ±2 V): ensures sub-millivolt precision in amplitude-limited signal paths like pulse generators. |
| Overdrive Recovery | 1.5 ns (2× overdrive): guarantees minimal dead time between successive clamped events in burst-mode ADC drivers. |
| Input Voltage Noise | 4.5 nV/√Hz (1–200 MHz): preserves SNR in low-level analog front-ends such as medical imaging preamps. |
| Supply Range | ±3.0 V to ±6.0 V: compatible with dual-rail industrial and instrumentation power domains. |
| Settling Time | 16 ns to 0.01% (2 V step): meets timing-critical requirements in flash ADC buffer stages. |
Pinout & Package
AD8036ARZ-REEL is housed in an 8-lead SOIC (SO-8) package with standard JEDEC MS-012AC footprint (4.9 mm × 3.9 mm × 1.75 mm), rated for –40°C to +85°C operation and RoHS-compliant lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NC) | No Connect | Internally unconnected; must remain floating per datasheet - no external tie required. |
| 2 (–IN) | Inverting Input | Used only in inverting configurations; clamp function disabled when used - noninverting mode required for VH/VL operation. |
| 3 (+IN) | Noninverting Input | Primary signal input for clamp amplifier operation; reference node for VH/VL comparators in CLAMPIN™ architecture. |
| 4 (–VS) | Negative Supply | Connect to negative rail (e.g., –5 V); substrate tied internally - critical for stability with capacitive bypassing (0.1 µF + 4.7 µF). |
| 5 (+VS) | Positive Supply | Connect to positive rail (e.g., +5 V); requires same bypassing as –VS to suppress PSRR-induced peaking above 10 MHz. |
| 6 (OUTPUT) | Amplifier Output | Low-impedance buffered output (0.3 Ω typ); drives 100 Ω loads directly; short-circuit protected to 240 mA. |
| 7 (VL) | Low Clamp Input | Analog input for lower clamp threshold; accepts DC or AC signals ≤240 MHz; bias current ±40 µA at ±1 V. |
| 8 (VH) | High Clamp Input | Analog input for upper clamp threshold; identical electrical specs to VL; enables full-wave rectification when driven differentially. |
Key Features
| Feature | Design Value |
|---|---|
| CLAMPIN™ Input Clamp Architecture | Enables dynamic clamp level modulation up to 240 MHz - unlike fixed-output clamps - supporting amplitude-modulated signal generation. |
| 1.5 ns Overdrive Recovery | Minimizes blanking intervals in time-interleaved ADC systems, preserving effective sampling rate under transient overload. |
| ±3 mV Clamp Error | Ensures amplitude fidelity in broadcast video gain-control loops where >0.1% linearity is mandatory per SMPTE 259M. |
| Unity-Gain Stability | Eliminates need for external compensation in G = +1 buffer designs - simplifies layout and reduces component count vs. AD8037 (G ≥ +2 only). |
| 240 MHz Clamp Input Bandwidth | Permits use as high-speed pulse generator or full-wave rectifier with RF envelope detection capability up to UHF bands. |
Applications
| ADC Buffer | IF/RF Signal Processing |
|---|---|
|
Use Scenario: Driving 12–16-bit flash ADC inputs in radar receivers requiring 100+ MSPS sampling with minimal aperture jitter. IC Role / Device Role / Timing Role: Low-noise, fast-settling buffer that clamps input transients before digitization to prevent ADC saturation and code missing. Use Value: 16 ns to 0.01% settling and –72 dBc harmonic distortion preserve ENOB >11.5 bits at 20 MHz input frequency. |
Use Scenario: Conditioning intermediate-frequency signals (45–70 MHz) in software-defined radio front-ends prior to downconversion. IC Role / Device Role / Timing Role: Wideband gain stage with programmable amplitude limiting to maintain constant IF envelope across variable signal strengths. Use Value: 240 MHz clamp input bandwidth allows real-time AGC control via analog VH/VL modulation synchronized to RSSI detection. |
| Broadcast Video Systems | Full-Wave Rectifier |
|
Use Scenario: SD/HD video line driver in camera back-end processors where differential gain/phase errors must stay below 0.05%/0.04°. IC Role / Device Role / Timing Role: Composite video amplifier with precise DC restoration via clamp levels set by sync pulse-derived VH/VL references. Use Value: 0.05% differential gain error and 0.02° differential phase error at 3.58 MHz meet ITU-R BT.601 broadcast compliance. |
Use Scenario: High-speed envelope detector in RF power measurement circuits, converting 50 MHz sine waves to DC-coupled rectified outputs. IC Role / Device Role / Timing Role: Active full-wave rectifier using VH and VL as complementary switching thresholds referenced to +IN. Use Value: 1.5 ns recovery and <100 mV clamp nonlinearity enable accurate RMS-to-DC conversion with <0.5% ripple at 10 MHz input. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar clamp amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8037ARZ-REEL | Gain-stable only at ≥+2; higher small-signal bandwidth (270 MHz) but lower large-signal bandwidth (190 MHz); clamp input bias ±50 µA at ±0.5 V. | Preferred for fixed-gain +2 IF amplifiers; unsuitable for unity-gain ADC buffers without external attenuation. | Select AD8037ARZ-REEL only when closed-loop gain ≥+2 is required and 270 MHz small-signal BW justifies reduced large-signal performance. |
| THS3091D | Current-feedback architecture; no integrated clamp inputs; 210 MHz bandwidth; 4700 V/µs slew rate; requires external diode clamp network. | Used where ultra-high slew dominates over clamp precision; external clamp adds 5–10 ns delay and ±15 mV error vs. AD8036ARZ-REEL's monolithic solution. | Choose THS3091D only when >3000 V/µs slew is mandatory and system-level clamp calibration is acceptable. |
Compared with AD8037ARZ-REEL and THS3091D, the AD8036ARZ-REEL uniquely combines unity-gain stability, monolithic 240 MHz clamp input bandwidth, and ±3 mV accuracy - eliminating external components and layout complexity in precision clamping applications.
Availability
AD8036ARZ-REEL is available at Aetrix Electronics and suitable for ADC buffering, IF/RF signal processing, and broadcast video systems requiring stable component supply, long-term lifecycle support, and traceable sourcing for production programs.
Supply support for AD8036ARZ-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, with design centers worldwide and ISO 9001-certified manufacturing.
The AD8036ARZ-REEL belongs to Analog Devices' high-speed clamp amplifier product line, engineered specifically for precision signal limiting in data acquisition, communications infrastructure, and professional video equipment.
FAQ
What is the operating temperature range of the AD8036ARZ-REEL?
The AD8036ARZ-REEL is specified for industrial operation from –40°C to +85°C. This range is validated per the AD8036A grade in the official Analog Devices datasheet (Rev. B), with all electrical characteristics guaranteed across this span - including clamp accuracy (±3 mV), bandwidth (240 MHz), and quiescent current (20.5–21.5 mA).
Can the AD8036ARZ-REEL be used in inverting configurations?
The AD8036ARZ-REEL supports inverting configurations electrically, but its clamp functionality (VH/VL inputs) operates exclusively in noninverting mode per the CLAMPIN™ architecture. When configured as an inverter, pins 7 (VL) and 8 (VH) must be left floating or terminated per datasheet guidance - clamp behavior is disabled.
What is the recommended power supply bypassing for the AD8036ARZ-REEL?
Analog Devices specifies a parallel bypass network: minimum 0.1 µF ceramic capacitor plus ≥4.7 µF bulk capacitor (e.g., tantalum or aluminum electrolytic) at each supply pin (pins 4 and 5). For clamp-mode operation, add 0.1 µF capacitors from VH (pin 8) and VL (pin 7) to ground to ensure stability against high-frequency clamp signal injection.
Does the AD8036ARZ-REEL require external feedback resistors in unity-gain buffer mode?
Yes - the AD8036ARZ-REEL requires a 140 Ω feedback resistor (RF) between output (pin 6) and inverting input (pin 2) for optimal unity-gain performance. This value minimizes parasitic peaking and maximizes bandwidth/settling trade-offs, as confirmed in TPC 16 and the Theory of Operation section of the datasheet.
How does the AD8036ARZ-REEL achieve 1.5 ns overdrive recovery?
The AD8036ARZ-REEL achieves 1.5 ns overdrive recovery via proprietary current-steering circuitry in its CLAMPIN™ comparators, which rapidly redirect internal bias current away from the input stage during overdrive - avoiding saturation and enabling sub-nanosecond transition from clamp to linear mode, as measured in TPC 57 and TPC 60.
AD8036ARZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- CLAMPIN™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 1200V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 240 MHz
- Current - Input Bias:
- 4 µA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 20.5mA
- Current - Output / Channel:
- 70 mA
- Voltage - Supply Span (Min):
- 6 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AD8036ARZ-REEL FAQ
1.How can I place an order for AD8036ARZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8036ARZ-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 AD8036ARZ-REEL reliable?
The price and inventory of AD8036ARZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8036ARZ-REEL is usually 5 days.
3.What payment methods are accepted for AD8036ARZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8036ARZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8036ARZ-REEL?
AD8036ARZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8036ARZ-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 AD8036ARZ-REEL?
For technical support, including AD8036ARZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8036ARZ-REEL requirements.
6.How does Aetrix verify that AD8036ARZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD8036ARZ-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 AD8036ARZ-REEL meets industry standards.
7.What is the process for return or replacement of AD8036ARZ-REEL?
All AD8036ARZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD8036ARZ-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 AD8036ARZ-REEL part is unused and in its original packaging.
Return procedure for AD8036ARZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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