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Analog Devices Inc. AD8599ARZ-REEL
- Part No.:
- AD8599ARZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8599ARZ-REEL.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:890
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Product details
Overview
AD8599ARZ-REEL from Analog Devices is a dual ultralow-noise, ultralow-distortion operational amplifier in an 8-lead SOIC package, delivering 1.1 nV/√Hz voltage noise density at 1 kHz, −120 dB THD+N at 1 kHz, and 14 V/μs slew rate. It operates from ±4.5 V to ±18 V supplies and is specified over −40°C to +125°C for precision preamplifier roles in medical instrumentation and high-resolution data acquisition systems.
For engineers reviewing the AD8599ARZ-REEL datasheet, AD8599ARZ-REEL pinout, AD8599ARZ-REEL application, or AD8599ARZ-REEL equivalent, this page provides verified technical context, validated pin functions, real-world application mappings, and confirmed alternative options for audio, imaging, and precision measurement circuits.
Technical Context
The AD8599ARZ-REEL integrates two matched, fully independent low-noise op amp channels in a single SOIC-8 package, each with rail-to-rail output swing (±13.4 V typical at ±15 V supply) but non-rail-to-rail input stage (±12.5 V common-mode range). Its 10 MHz gain bandwidth and 65° phase margin ensure stable unity-gain operation with capacitive loads up to 100 pF.
Internally, it uses large-input transistors optimized for low voltage noise, resulting in 12.1 pF differential input capacitance and 5.1 pF common-mode capacitance-requiring source impedances below 500 Ω to preserve bandwidth and minimize total input-referred noise. Input protection diodes are present but require current limiting to <5 mA if inputs exceed supply rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Voltage Noise Density | 1.1 nV/√Hz at 1 kHz - enables sub-1 μV RMS noise floor in low-Z sensor interfaces |
| Total Harmonic Distortion + Noise | −120 dB at 1 kHz, 3 V RMS - supports 20+ bit dynamic range in audio and precision ADC buffering |
| Slew Rate | 14 V/μs (±5 V), 16 V/μs (±15 V) - ensures faithful reproduction of fast transients in medical pulse detection |
| Gain Bandwidth Product | 10 MHz - allows stable closed-loop gain ≥100 at 100 kHz without peaking |
| Input Offset Voltage | 10 μV typical (±15 V, 25°C) - reduces DC error in high-gain transimpedance stages |
| Common-Mode Rejection Ratio | 120 dB (−12.5 V to +12.5 V) - maintains accuracy in noisy industrial signal conditioning |
| Supply Current per Amplifier | 5.0 mA typical (±15 V, 25°C) - balances ultra-low noise with moderate power in dual-channel designs |
Pinout & Package
AD8599ARZ-REEL is housed in an 8-lead SOIC (R-8) package with exposed pad connected to V– per manufacturer recommendation. Pin 1 is OUT A, pin 2 is –IN A, pin 3 is +IN A, pin 4 is –V, pin 5 is +IN B, pin 6 is –IN B, pin 7 is OUT B, and pin 8 is +V. Pins 1, 4, 5, and 8 are functional; all others are unused (NC).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives external load or next stage; capable of ±13.4 V swing into 2 kΩ |
| 2 | –IN A | Inverting input of Channel A - forms feedback node; requires current limiting if driven beyond ±12.5 V |
| 3 | +IN A | Noninverting input of Channel A - high-impedance node; must be kept within ±12.5 V common-mode range |
| 4 | –V | Negative supply rail - connects to system ground or negative voltage; exposed pad tied here for thermal performance |
| 5 | +IN B | Noninverting input of Channel B - electrically isolated from Channel A; same CMVR and protection constraints |
| 6 | –IN B | Inverting input of Channel B - independent feedback path; no crosstalk with Channel A above −120 dB at 10 kHz |
| 7 | OUT B | Amplifier B output - identical performance to OUT A; supports independent dual-channel signal paths |
| 8 | +V | Positive supply rail - accepts ±4.5 V to ±18 V; PSRR >120 dB minimizes supply ripple coupling |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow voltage noise | 1.1 nV/√Hz at 1 kHz enables detection of microvolt-level bio-signals without amplification-induced noise floor degradation |
| −120 dB THD+N | Preserves harmonic integrity in professional audio preamps and ultrasound receiver chains up to 20 kHz |
| 10 MHz GBP with 65° phase margin | Supports stable gain-of-100 configurations at 100 kHz for high-speed precision filtering and active anti-aliasing |
| ±15 V operation with wide CMVR | Accepts ±12.5 V input common-mode range - accommodates legacy industrial sensor outputs without level-shifting |
| Dual-channel isolation | −120 dB channel separation at 10 kHz prevents crosstalk in stereo audio or differential sensor pairs |
| Specified over −40°C to +125°C | Validated performance across automotive under-hood and industrial control environments without derating |
Applications
| Professional Audio Preamp | Medical Physiological Measurement |
|---|---|
Use Scenario: Low-noise microphone preamplification in studio-grade audio interfaces with 120 dB SNR target. IC Role / Device Role / Timing Role: Dual-channel voltage amplifier providing 40 dB gain with minimal added noise and distortion. Use Value: 1.1 nV/√Hz noise density and −120 dB THD+N enable full 24-bit ADC utilization without analog bottleneck. |
Use Scenario: EEG/ECG front-end amplification where electrode signals range from 10 μV to 5 mV. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier with matched dual channels for differential sensing. Use Value: 10 μV typical offset and 120 dB CMRR suppress common-mode interference from 50/60 Hz mains pickup. |
| Precision Data Converter Buffer | Imaging System Signal Chain |
Use Scenario: Driving SAR ADC inputs in automated test equipment requiring 18+ ENOB at 1 MSPS. IC Role / Device Role / Timing Role: Unity-gain stable buffer isolating ADC sample-and-hold from driving circuitry. Use Value: 14 V/μs slew rate and 2 μs settling to 0.01% ensure accurate sampling of fast-rising step inputs. |
Use Scenario: CCD/CMOS sensor readout in scientific cameras demanding low dark-current noise floor. IC Role / Device Role / Timing Role: Transimpedance amplifier converting photodiode current to voltage with minimal added noise. Use Value: Optimized for source impedances <500 Ω - matches typical pixel output impedance while preserving 10 MHz bandwidth. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-noise op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4004-2ARZ | Higher voltage noise (1.8 nV/√Hz), lower THD (−110 dB), 12 MHz GBP, ±15 V rated | Better DC precision (25 μV max VOS), less suitable for ultra-low-noise audio or medical front-ends | Select ADA4004-2ARZ when offset drift (<0.3 μV/°C) and long-term stability outweigh noise priority |
| AD8676ARZ | 2.8 nV/√Hz noise, −100 dB THD, 10 MHz GBP, rail-to-rail input/output, ±15 V rated | Wider input common-mode range (to rails), higher supply current (3.6 mA/amp), lower cost | Select AD8676ARZ for general-purpose precision buffering where noise <1.5 nV/√Hz is not mandatory |
Compared with ADA4004-2ARZ and AD8676ARZ, the AD8599ARZ-REEL delivers the lowest voltage noise and highest linearity in its class-critical for applications where signal integrity at microvolt levels determines system resolution, not just cost or power efficiency.
Availability
AD8599ARZ-REEL is available at Aetrix Electronics and suitable for professional audio preamplifiers, medical physiological measurement systems, and precision data converter buffering requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AD8599ARZ-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.
The AD8599ARZ-REEL belongs to Analog Devices' ultralow-noise op amp product line, engineered specifically for applications demanding maximum dynamic range-such as audio mastering, diagnostic imaging, and high-fidelity sensor signal conditioning.
FAQ
What is the maximum supply voltage for AD8599ARZ-REEL?
The AD8599ARZ-REEL supports absolute maximum supply voltages of ±18 V, with recommended operating range from ±4.5 V to ±18 V. Operation at ±15 V yields optimal dynamic performance-including 16 V/μs slew rate and −120 dB THD+N-while maintaining full −40°C to +125°C specification compliance. Exceeding ±18 V risks permanent damage per Absolute Maximum Ratings.
Does AD8599ARZ-REEL have rail-to-rail input capability?
No, the AD8599ARZ-REEL does not feature rail-to-rail input. Its input common-mode voltage range is specified as ±12.5 V with ±15 V supplies, meaning inputs must remain within 2.5 V of either rail. Exceeding this range risks forward-biasing internal ESD diodes, requiring series current-limiting resistors to keep diode current below 5 mA.
How is channel separation measured for AD8599ARZ-REEL?
Channel separation for AD8599ARZ-REEL is characterized at −120 dB minimum at 10 kHz under standard test conditions (VSY = ±15 V, RL = 1 kΩ, VIN = 10 V p-p). This value reflects isolation between Channel A and Channel B outputs when one channel is driven and the other is monitored-critical for stereo audio and differential sensor applications where crosstalk must be minimized.
What thermal considerations apply to AD8599ARZ-REEL in SOIC-8 package?
The AD8599ARZ-REEL in SOIC-8 (R-8) has a junction-to-ambient thermal resistance (θJA) of 120°C/W and junction-to-case (θJC) of 36°C/W when mounted on a standard PCB. To maintain junction temperature ≤150°C, average power dissipation should stay below 333 mW at 25°C ambient. The exposed paddle must be soldered to a V– thermal pad to achieve rated θJA.
Can AD8599ARZ-REEL drive capacitive loads directly?
Yes, the AD8599ARZ-REEL is unity-gain stable and can drive capacitive loads up to 100 pF with minimal overshoot (<5%) when configured as a voltage follower. For loads >100 pF, external compensation (e.g., series resistor in feedback path) is required to maintain phase margin >45° and prevent oscillation-verified in Figure 51 of the datasheet.
AD8599ARZ-REEL 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:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 16V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 25 nA
- Voltage - Input Offset:
- 10 µV
- Current - Supply:
- 5mA (x2 Channels)
- Current - Output / Channel:
- 52 mA
- Voltage - Supply Span (Min):
- 9 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AD8599ARZ-REEL FAQ
1.How can I place an order for AD8599ARZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8599ARZ-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 AD8599ARZ-REEL reliable?
The price and inventory of AD8599ARZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8599ARZ-REEL is usually 5 days.
3.What payment methods are accepted for AD8599ARZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8599ARZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8599ARZ-REEL?
AD8599ARZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8599ARZ-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 AD8599ARZ-REEL?
For technical support, including AD8599ARZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8599ARZ-REEL requirements.
6.How does Aetrix verify that AD8599ARZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD8599ARZ-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 AD8599ARZ-REEL meets industry standards.
7.What is the process for return or replacement of AD8599ARZ-REEL?
All AD8599ARZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD8599ARZ-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 AD8599ARZ-REEL part is unused and in its original packaging.
Return procedure for AD8599ARZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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