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Analog Devices Inc. AD9632ARZ-REEL7
- Part No.:
- AD9632ARZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD9632ARZ-REEL7.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:796
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Product details
Overview
AD9632ARZ-REEL7 from Analog Devices is a high-speed voltage feedback operational amplifier optimized for gain-of-2 stable operation, delivering 250 MHz small-signal bandwidth, 180 MHz large-signal bandwidth (4 Vp-p), 1300 V/μs slew rate, and −72 dBc third-harmonic distortion at 20 MHz - enabling precision ADC input driving in high-resolution data acquisition systems.
For engineers reviewing the AD9632ARZ-REEL7 datasheet, AD9632ARZ-REEL7 pinout, AD9632ARZ-REEL7 application, or AD9632ARZ-REEL7 equivalent, key selection criteria include gain stability at G = +2, ultralow harmonic distortion at IF/RF frequencies, settling time to 0.01% in 16 ns, ±3 V to ±6 V dual-supply operation, and SOIC-8 packaging for board space-constrained signal chain designs.
Technical Context
The AD9632ARZ-REEL7 employs a proprietary voltage feedback architecture with classical op amp topology, achieving 65° phase margin and constant gain-bandwidth behavior - unlike current feedback amplifiers - while delivering on-demand slew current for fast transient response. Its balanced high-impedance inputs support flexible active filter design without compromising stability.
It is explicitly gain-stable only at G ≥ +2 (noninverting) or G ≤ −1 (inverting), with RF = 425 Ω recommended for G = +2 configurations. The device maintains <0.04% differential gain and <0.04° differential phase error at 3.58 MHz, meeting broadcast video line driver requirements under RL = 150 Ω load.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-signal BW (−3 dB) | 250 MHz at G = +2 - supports wideband IF sampling up to 125 MSPS without aliasing degradation. |
| Large-signal BW (4 Vp-p) | 180 MHz - enables full-scale pulse amplification in radar pulse conditioning and DAC output buffering. |
| Slew rate | 1300 V/μs - ensures linear amplification of fast transients without slewing-induced distortion in ADC front-ends. |
| THD @ 20 MHz | −74 dBc (typical, RL = 500 Ω) - preserves SFDR > 70 dB in 12-bit ADC drivers operating near Nyquist. |
| Settling time (0.01%) | 16 ns for 2 V step - meets timing budget for 50 MSPS+ successive-approximation ADCs requiring clean hold-phase settling. |
| Input voltage noise | 7.0 nV/√Hz - minimizes added noise in low-level sensor signal conditioning before high-gain stages. |
| Supply current | 17 mA (±5 V) - balances speed and power for portable instrumentation and battery-assisted test equipment. |
Pinout & Package
AD9632ARZ-REEL7 is housed in an 8-lead SOIC (R) package with exposed pad (RoHS-compliant, lead-free). Pin 1 is marked by notch or dot; pins are numbered counterclockwise from top-left corner when viewed from top.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NC (No Connect) | Internally unconnected - must remain floating; no PCB trace or via allowed. |
| 2 | Inverting Input (−IN) | Differential input node; high-impedance (500 kΩ), low capacitance (1.2 pF) for minimal loading in active filters. |
| 3 | Noninverting Input (+IN) | Reference input for G = +2 configuration; common-mode range extends to ±3.4 V for rail-to-rail input flexibility. |
| 4 | −VS | Negative supply terminal; requires local 0.1 µF + 10 µF bypassing to ground for PSRR > 60 dB above 10 kHz. |
| 5 | NC (No Connect) | Internally unconnected - must remain floating; no thermal or electrical tie permitted. |
| 6 | Output | Capable of ±3.9 V swing into 150 Ω; drives 70 mA continuous, 240 mA short-circuit limited. |
| 7 | +VS | Positive supply terminal; same bypassing requirement as −VS to maintain 65° phase margin. |
| 8 | NC (No Connect) | Internally unconnected - must remain floating; not usable for thermal pad connection. |
Key Features
| Feature | Design Value |
|---|---|
| Gain stability | Stable at G ≥ +2 (noninverting) or G ≤ −1 (inverting); eliminates need for external compensation in standard gain configurations. |
| Harmonic distortion | −74 dBc third-harmonic (20 MHz, RL = 500 Ω) - enables >70 dB SFDR in 12-bit ADC input stages without post-processing correction. |
| Video performance | 0.02% differential gain / 0.02° differential phase (3.58 MHz, RL = 150 Ω) - satisfies SMPTE 253M and ITU-R BT.601 broadcast linearity specs. |
| Transient fidelity | 16 ns settling to 0.01% (2 V step) with <1.1° phase nonlinearity (DC–100 MHz) - preserves pulse shape integrity in time-of-flight and lidar receivers. |
| Noise density | 7.0 nV/√Hz input voltage noise + 2.0 pA/√Hz input current noise - optimal for high-Z sensor interfaces where Johnson noise dominates. |
Applications
| ADC Input Driver | Differential Amplifier |
|---|---|
Use Scenario: Driving the analog input of a 12-bit, 65 MSPS pipeline ADC in a communications baseband receiver. IC Role / Device Role / Timing Role: Single-ended to differential conversion and gain-of-2 amplification with sub-16 ns settling to meet ADC aperture jitter and hold-phase accuracy requirements. Use Value: Maintains >70 dB SNR and >68 dB SFDR across DC–30 MHz input band without calibration, reducing FPGA-based digital correction overhead. |
Use Scenario: Building a fully differential signal path for a high-speed data converter interface using discrete resistors and matched layout. IC Role / Device Role / Timing Role: High-impedance, low-phase-error gain block in a two-op-amp differential topology with precise resistor ratio control. Use Value: Achieves <0.04° phase mismatch between complementary outputs at 20 MHz, enabling >80 dB CMRR in downstream analog processing. |
| IF/RF Amplifier | Professional Video Line Driver |
Use Scenario: Amplifying 45–70 MHz intermediate frequency signals in a software-defined radio front-end before quadrature demodulation. IC Role / Device Role / Timing Role: Fixed-gain broadband amplifier with flat frequency response (±0.1 dB up to 130 MHz) and low group delay variation. Use Value: Delivers −95 dBc SFDR at 5 MHz and −72 dBc at 20 MHz, preserving adjacent-channel rejection in multi-carrier LTE/WiMAX receivers. |
Use Scenario: Driving 75 Ω coaxial video lines in HD-SDI camera backends and broadcast switcher outputs. IC Role / Device Role / Timing Role: Unity-gain buffer (configured as G = +1 via external feedback) with ultra-low differential phase/gain error. Use Value: Meets SMPTE RP 184 color fidelity spec (ΔE < 1.0) over 0–30 MHz, eliminating visible hue shift in 1080p/60 video transmission. |
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 |
|---|---|---|---|
| AD9631ARZ-REEL7 | Unity-gain stable; 320 MHz small-signal BW, 175 MHz large-signal BW, −72 dBc THD @ 20 MHz. | Preferred for G = +1 or G = −1 configurations; unsuitable for fixed G = +2 without external compensation. | Select AD9631ARZ-REEL7 only when circuit requires unity-gain stability and higher small-signal bandwidth is critical. |
| LMH6702MA/NOPB | Current-feedback architecture; 1.7 GHz GBW, 3100 V/μs slew rate, but higher input bias current (12 µA) and lower DC precision. | Better for ultra-high-speed pulse amplification (>500 MHz), but less suitable for precision DC-coupled video or ADC buffering due to offset drift. | Choose LMH6702MA/NOPB only when bandwidth > 500 MHz is mandatory and DC accuracy is secondary. |
Compared with AD9631ARZ-REEL7 and LMH6702MA/NOPB, AD9632ARZ-REEL7 uniquely balances G = +2 stability, 250 MHz bandwidth, −74 dBc distortion, and 16 ns settling - making it the optimal choice for 12-bit ADC drivers where gain accuracy, phase linearity, and low harmonic content are jointly required.
Availability
AD9632ARZ-REEL7 is available at Aetrix Electronics and suitable for high-speed data acquisition, professional video infrastructure, IF/RF signal conditioning, and precision pulse amplification requiring stable component supply across industrial temperature ranges (−40°C to +85°C).
Supply support for AD9632ARZ-REEL7 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 Wilmington, MA, with design centers worldwide and ISO 9001-certified manufacturing.
The AD963x family was engineered specifically for demanding wideband signal chain applications - including ADC/DAC interface, video line driving, and IF amplification - where ultralow distortion, fast settling, and predictable voltage-feedback behavior are essential.
FAQ
What is the minimum stable gain configuration for AD9632ARZ-REEL7?
The AD9632ARZ-REEL7 is specified as stable only at closed-loop gains of +2 or greater in noninverting mode and −1 or lower in inverting mode. It is not unity-gain stable; attempting G = +1 will cause oscillation. For G = +2, use RF = 425 Ω and RIN = 422 Ω per the datasheet Figure 11. This gain constraint is inherent to its internal compensation and must be respected in layout and schematic design.
Does AD9632ARZ-REEL7 support single-supply operation?
No, AD9632ARZ-REEL7 requires dual supplies (±3 V to ±6 V) and does not support true single-supply operation. Its input common-mode range is ±3.4 V, and output swing is symmetric about ground (±3.9 V into 150 Ω). For single-rail applications, consider rail-to-rail op amps such as ADA4898-1 or AD8065, which offer different trade-offs in bandwidth and distortion.
What is the recommended power supply bypassing for AD9632ARZ-REEL7?
Analog Devices specifies parallel bypassing at both +VS and −VS pins: a 0.1 µF ceramic capacitor (X7R, 0805) placed within 2 mm of the pin, plus a 10 µF tantalum or aluminum electrolytic capacitor (with ~4.7 Ω series damping resistor if using certain electrolytics). This dual-capacitor network suppresses supply impedance peaking and maintains >60 dB PSRR above 10 kHz, critical for preserving 65° phase margin.
Can AD9632ARZ-REEL7 drive capacitive loads directly?
AD9632ARZ-REEL7 is optimized for resistive loads (e.g., 100–150 Ω). Driving capacitive loads >10 pF requires a series isolation resistor (RSERIES) at the output - 10–40 Ω depending on CL - as shown in Figure 62 of the datasheet. Without RSERIES, phase margin degrades, causing overshoot and instability. For 50 pF loads, use RSERIES ≈ 25 Ω per Figure 63.
Is AD9632ARZ-REEL7 suitable for driving ADC inputs in DC-coupled configurations?
Yes, AD9632ARZ-REEL7 supports DC-coupled ADC driving with its ±3.4 V input common-mode range and low input offset voltage (2 mV typical). However, ensure the ADC's input reference voltage and common-mode level align with the op amp's output swing (±3.9 V into 150 Ω). For best SNR, use matched resistor networks and guard traces to minimize leakage-induced offset drift in PCB layout.
AD9632ARZ-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- 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:
- 1500V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 250 MHz
- Current - Input Bias:
- 2 µA
- Voltage - Input Offset:
- 2 mV
- Current - Supply:
- 16mA
- 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
AD9632ARZ-REEL7 FAQ
1.How can I place an order for AD9632ARZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9632ARZ-REEL7 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 AD9632ARZ-REEL7 reliable?
The price and inventory of AD9632ARZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9632ARZ-REEL7 is usually 5 days.
3.What payment methods are accepted for AD9632ARZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9632ARZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9632ARZ-REEL7?
AD9632ARZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9632ARZ-REEL7 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 AD9632ARZ-REEL7?
For technical support, including AD9632ARZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9632ARZ-REEL7 requirements.
6.How does Aetrix verify that AD9632ARZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All AD9632ARZ-REEL7 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 AD9632ARZ-REEL7 meets industry standards.
7.What is the process for return or replacement of AD9632ARZ-REEL7?
All AD9632ARZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD9632ARZ-REEL7, 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 AD9632ARZ-REEL7 part is unused and in its original packaging.
Return procedure for AD9632ARZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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