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Analog Devices Inc. AD8037SRZ-EP
- Part No.:
- AD8037SRZ-EP
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8037SRZ-EP.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,213
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Product details
Overview
AD8037SRZ-EP from Analog Devices is a voltage-feedback clamp amplifier optimized for high-speed signal conditioning in defense, aerospace, and industrial systems. It delivers 270 MHz small-signal bandwidth, ±3.9 V clamp input range, 3 mV typical clamp error, and 1.5 ns overdrive recovery-enabling precise amplitude limiting in IF/RF buffer and ADC driver applications.
For engineers reviewing the AD8037SRZ-EP datasheet, AD8037SRZ-EP pinout, AD8037SRZ-EP application, or AD8037SRZ-EP equivalent, key selection criteria include clamp accuracy under overdrive, input clamp bandwidth (240 MHz), settling time to 0.01% (16 ns), and operation across −55°C to +105°C with enhanced product qualification.
Technical Context
The AD8037SRZ-EP implements a patented CLAMPING™ input clamp architecture-not output clamping-allowing VH and VL pins to accept dynamic signals up to 240 MHz while maintaining ≤3 mV clamp error. Its voltage-feedback topology provides stable gain ≥2 operation with 1500 V/μs slew rate and 190 MHz large-signal (4 Vp-p) bandwidth.
This architecture enables nontraditional functions including full-wave rectification and amplitude modulation by treating clamp levels as active inputs. DC performance includes 2 mV offset, 10 μV/°C drift, and 4.5 nV/√Hz input voltage noise-supporting high-fidelity video and imaging signal paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-signal BW | 270 MHz at −3 dB: supports >100 MSPS ADC buffering without bandwidth-induced distortion |
| Clamp input BW | 240 MHz: allows RF/IF signals applied directly to VH/VL pins for real-time amplitude control |
| Overdrive recovery | 1.5 ns: ensures minimal pulse distortion after 2× overdrive in fast transient environments |
| Clamp error | ±3 mV typical: guarantees accurate signal limiting critical for broadcast video and imaging linearity |
| Supply range | ±3 V to ±5 V: compatible with standard analog supply rails in mixed-signal industrial systems |
| Operating temp | −55°C to +105°C: qualified per AQEC for extended reliability in defense/aerospace platforms |
| Input voltage noise | 4.5 nV/√Hz: preserves SNR in low-amplitude sensor and IF chain amplification stages |
Pinout & Package
AD8037SRZ-EP is housed in an 8-lead SOIC_N (narrow-body) package (JEDEC MS-012-AA, R-8), with 1.27 mm lead pitch and exposed pad not present. Thermal resistance θJA = 155°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NC) | No Connect | Must remain unconnected; no internal connection or function |
| 2 (−INPUT) | Inverting Input | Differential input node for standard op amp configuration or clamp feedback path |
| 3 (+INPUT) | Noninverting Input | Primary signal input; accepts rail-to-rail common-mode range (±2.5 V) |
| 4 (−VS) | Negative Supply | Connects to negative rail (−3 V to −5 V); supplies internal bias and output stage |
| 5 (VL) | Low Clamping Voltage | Defines lower clamp threshold; accepts dc or ac signals up to 240 MHz |
| 6 (OUTPUT) | Amplifier Output | Delivers clamped signal; drives 100 Ω loads with ±3.9 V swing |
| 7 (+VS) | Positive Supply | Connects to positive rail (+3 V to +5 V); symmetrical dual-supply operation required |
| 8 (VH) | High Clamping Voltage | Defines upper clamp threshold; must be > VL; same bandwidth and bias specs as VL |
Key Features
| Feature | Design Value |
|---|---|
| Input clamp architecture | CLAMPING™ patent-pending design reduces clamp error by 10× vs. output-clamp amplifiers |
| Dynamic clamp input | VH/VL pins support 240 MHz signals-enables amplitude modulation and pulse shaping |
| Fast overdrive recovery | 1.5 ns recovery from 2× overdrive prevents pulse pile-up in burst-mode IF processing |
| Enhanced product qualification | AQEC-compliant with controlled fab/assembly sites, change notification, and −55°C to +105°C operation |
| Low distortion at 20 MHz | −72 dBc third-harmonic distortion (RL = 500 Ω) maintains fidelity in broadcast video chains |
Applications
| ADC Buffer | IF/RF Signal Processing |
|---|---|
Use Scenario: Driving high-resolution flash ADCs in radar receivers requiring wide bandwidth and low distortion. IC Role / Device Role / Timing Role: Precision buffer with clamping to prevent ADC saturation during signal transients. Use Value: 16 ns settling to 0.01% and 190 MHz large-signal BW ensure accurate digitization of fast IF pulses without clipping artifacts. |
Use Scenario: Conditioning intermediate frequency signals in software-defined radio front ends. IC Role / Device Role / Timing Role: Clamp amplifier with dynamic VH/VL inputs for real-time AGC and envelope detection. Use Value: 240 MHz clamp input bandwidth allows direct injection of control waveforms-eliminating external switch/diode networks. |
| Broadcast Video Systems | Full-Wave Rectifier |
Use Scenario: Amplifying and clamping composite video signals in professional camera signal chains. IC Role / Device Role / Timing Role: Video amplifier with precise black/white level clamping for differential gain/phase stability. Use Value: 0.02% differential gain error and 0.02° phase error preserve color fidelity across NTSC/PAL frequencies. |
Use Scenario: Replacing diode-based rectifiers in high-frequency test equipment power supplies. IC Role / Device Role / Timing Role: Active full-wave rectifier using VH/VL as synchronous switching thresholds. Use Value: Eliminates forward voltage drop and temperature drift of passive diodes-enabling <1 mV ripple at 10 MHz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar clamp amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8037ARZ | Commercial-grade version; −40°C to +85°C operating range; identical electrical specs and pinout | Lacks AQEC qualification, extended temp, and controlled baseline-unsuitable for space/defense deployments | Select AD8037ARZ only for commercial industrial designs where MIL-STD or DO-254 compliance is not required |
| LMH6723MA/NOPB | Current-feedback architecture; 650 MHz small-signal BW but no integrated clamp inputs; requires external clamp circuitry | Higher bandwidth but adds complexity and board area for clamping; no VH/VL terminals | Choose LMH6723MA/NOPB when raw speed >270 MHz is primary need and clamp functionality can be implemented externally |
Compared with AD8037ARZ, the AD8037SRZ-EP adds military-grade reliability and extended temperature operation without sacrificing clamp precision or speed; versus LMH6723MA/NOPB, it integrates clamp control into the signal path-reducing component count and layout sensitivity in high-fidelity analog front ends.
Availability
AD8037SRZ-EP is available at Aetrix Electronics and suitable for defense electronics, aerospace avionics, and industrial instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AD8037SRZ-EP 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 AD8037-EP belongs to Analog Devices' Enhanced Product line-engineered specifically for high-reliability applications in defense, space, and critical infrastructure where extended temperature operation and controlled manufacturing baselines are mandatory.
FAQ
What is the maximum clamp input bandwidth of the AD8037SRZ-EP?
The AD8037SRZ-EP supports a clamp input bandwidth of 240 MHz (−3 dB) on both VH and VL pins. This allows high-frequency control signals-such as IF envelopes or modulation waveforms-to directly set clamp thresholds without external filtering or buffering, preserving timing integrity in real-time signal processing applications involving the AD8037SRZ-EP.
Does the AD8037SRZ-EP require external components to operate as a clamp amplifier?
No, the AD8037SRZ-EP implements a fully integrated input clamp architecture. With only VH and VL pins biased to desired thresholds (ensuring VH > VL), the AD8037SRZ-EP performs precise clamping without external diodes, op amps, or feedback networks-reducing bill-of-materials and PCB area while improving repeatability over temperature.
What is the guaranteed operating temperature range for the AD8037SRZ-EP?
The AD8037SRZ-EP is specified for continuous operation from −55°C to +105°C. This extended industrial temperature range is part of its Enhanced Product qualification per AQEC standards, ensuring parametric stability and reliability in harsh environments such as airborne radar systems and downhole oilfield instrumentation using the AD8037SRZ-EP.
Can the AD8037SRZ-EP be used as a conventional op amp without clamping enabled?
Yes, the AD8037SRZ-EP functions as a high-speed voltage-feedback op amp with gain ≥2 stability when VH and VL are left open or tied to fixed DC levels outside the signal swing. In this mode, the AD8037SRZ-EP delivers 270 MHz bandwidth, 1500 V/μs slew rate, and 4.5 nV/√Hz noise-making it suitable for general-purpose high-fidelity amplification tasks independent of clamping.
What package type is used for the AD8037SRZ-EP?
The AD8037SRZ-EP is supplied in an 8-lead SOIC_N (narrow-body) package compliant with JEDEC MS-012-AA, designated R-8. Its dimensions are 5.00 mm × 4.00 mm × 1.50 mm, with 1.27 mm lead pitch and no exposed thermal pad-optimized for compatibility with standard surface-mount assembly processes used in high-reliability PCB manufacturing for the AD8037SRZ-EP.
AD8037SRZ-EP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 1500V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 270 MHz
- Current - Input Bias:
- 3 µA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 18.5mA
- Current - Output / Channel:
- 70 mA
- Voltage - Supply Span (Min):
- 6 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -55°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AD8037SRZ-EP FAQ
1.How can I place an order for AD8037SRZ-EP through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8037SRZ-EP 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 AD8037SRZ-EP reliable?
The price and inventory of AD8037SRZ-EP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8037SRZ-EP is usually 5 days.
3.What payment methods are accepted for AD8037SRZ-EP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8037SRZ-EP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8037SRZ-EP?
AD8037SRZ-EP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8037SRZ-EP 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 AD8037SRZ-EP?
For technical support, including AD8037SRZ-EP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8037SRZ-EP requirements.
6.How does Aetrix verify that AD8037SRZ-EP is sourced from the original manufacturer or authorized distributors?
All AD8037SRZ-EP 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 AD8037SRZ-EP meets industry standards.
7.What is the process for return or replacement of AD8037SRZ-EP?
All AD8037SRZ-EP units undergo pre-shipment inspection (PSI). If there is an issue with AD8037SRZ-EP, 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 AD8037SRZ-EP part is unused and in its original packaging.
Return procedure for AD8037SRZ-EP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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