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Analog Devices Inc. AD8692WARMZ-REEL
- Part No.:
- AD8692WARMZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
AD8692WARMZ-REEL.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:343
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Product details
Overview
AD8692WARMZ-REEL from Analog Devices is a dual-channel, rail-to-rail output, CMOS operational amplifier qualified for automotive applications, featuring 400 µV typical offset voltage, 8 nV/√Hz voltage noise density at 1 kHz, and 10 MHz gain bandwidth product. It operates from 2.7 V to 6 V single supply and delivers low distortion (0.0006% THD+N) in photodiode amplification and battery-powered medical instrumentation.
For engineers reviewing the AD8692WARMZ-REEL datasheet, AD8692WARMZ-REEL pinout, AD8692WARMZ-REEL application, or AD8692WARMZ-REEL equivalent, key selection criteria include its automotive qualification (−40°C to +125°C), dual-channel MSOP-8 packaging, rail-to-rail output swing within 25 mV of rails (IL = 1 mA), and verified performance in high-impedance sensor interfaces requiring sub-picoampere input bias current.
Technical Context
The AD8692WARMZ-REEL implements a CMOS input stage with 1 pA maximum input bias current and 6 µV/°C maximum offset voltage drift, enabling stable DC-coupled operation across automotive temperature extremes. Its unity-gain-stable architecture supports wideband signal conditioning without external compensation.
Designed for single-supply systems, it achieves rail-to-rail output swing (25 mV low, 2.66 V high at 2.7 V supply) while maintaining 10 MHz bandwidth and 5 V/µs slew rate - critical for multipole filter stages and fast-settling portable audio preamplifiers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 6 V - enables direct integration into 3.3 V and 5 V automotive subsystems without level-shifting. |
| Offset Voltage (Typ) | 400 µV - ensures <±2 mV error in 12-bit precision sensor front-ends over full temperature range. |
| Input Bias Current (Max) | 1 pA - preserves signal integrity in photodiode and piezoelectric sensor interfaces with >1 GΩ source impedances. |
| Gain Bandwidth Product | 10 MHz - supports stable closed-loop gain ≥10 up to 1 MHz, suitable for anti-aliasing and reconstruction filters. |
| Output Swing (IL = 1 mA) | 25 mV above V– / 2.66 V below V+ at 2.7 V supply - delivers full dynamic range in low-voltage battery-powered systems. |
| THD + N (1 kHz) | 0.0006% - meets fidelity requirements for Class D amplifier feedback and portable audio line drivers. |
| Operating Temperature | −40°C to +125°C - certified for engine control unit (ECU), ADAS camera modules, and under-hood sensor signal conditioning. |
Pinout & Package
AD8692WARMZ-REEL is housed in an 8-lead MSOP (RM-8) package per JEDEC MO-187-AA, with exposed pad for thermal enhancement. Pin 1 is marked by a dot; device orientation follows standard top-view labeling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A output | Delivers rail-to-rail sourced/sunk current; connects directly to filter networks or ADC inputs without level shift. |
| 2 (V–) | Negative supply | Ground reference for single-supply operation; must be decoupled with 0.1 µF ceramic capacitor near pin. |
| 3 (+IN A) | Inverting input of Amp A | High-impedance node (1 pA IB); routing requires guard traces in high-gain photodiode configurations. |
| 4 (–IN A) | Non-inverting input of Amp A | Matches +IN B electrical characteristics; used for differential sensing or unity-gain buffer configurations. |
| 5 (V+) | Positive supply | Accepts 2.7–6 V; internal ESD protection clamps to V+ and V–; requires local 1 µF bulk + 0.1 µF ceramic bypass. |
| 6 (–IN B) | Inverting input of Amp B | Electrically isolated from Amp A inputs; supports independent channel configuration in dual-sensor systems. |
| 7 (OUT B) | Amplifier B output | Independent output stage; allows simultaneous processing of two sensor signals without crosstalk (140 dB @ 1 kHz). |
| 8 (+IN B) | Non-inverting input of Amp B | Matched to +IN A for common-mode rejection; enables matched dual-channel instrumentation amplifier topologies. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Swings within 25 mV of V– and 34 mV of V+ at 2.7 V supply - maximizes dynamic range in low-voltage automotive domains. |
| Automotive qualification | AEC-Q100 Grade 2 compliant (−40°C to +125°C) with controlled manufacturing flow - meets ISO/TS 16949 traceability requirements. |
| Low input bias current | ≤1 pA max - eliminates leakage-induced offset in high-Z pH sensors, thermopiles, and MEMS microphone bias networks. |
| Low noise density | 8 nV/√Hz at 1 kHz - enables 100 dB SNR in 20 kHz audio band with 1 kΩ source impedance. |
| Unity-gain stability | No external compensation required - simplifies layout for gain-of-1 buffers driving capacitive loads ≤100 pF. |
Applications
| Photodiode Amplification | Battery-Powered Instrumentation |
|---|---|
Use Scenario: Precision current-to-voltage conversion for automotive LiDAR receiver arrays operating at −40°C to +105°C ambient. IC Role / Device Role / Timing Role: Transimpedance amplifier with 1 pA input bias and 400 µV offset, rejecting dark-current drift in analog front-end. Use Value: Enables sub-nA photocurrent resolution without active offset cancellation circuitry, reducing BOM count by one op-amp per channel. |
Use Scenario: Portable blood glucose meter using electrochemical test strips powered by single 3.3 V coin cell. IC Role / Device Role / Timing Role: Dual-channel signal conditioner: Amp A buffers reference electrode, Amp B amplifies working electrode current with 10 MHz bandwidth. Use Value: Delivers 16-bit effective resolution over full temperature range using only 0.95 mA per amplifier - extends battery life beyond 2000 measurements. |
| Medical Instruments | Portable Audio Devices |
Use Scenario: ECG front-end in wearable cardiac monitor with dry-electrode contact and motion artifact suppression. IC Role / Device Role / Timing Role: Dual instrumentation amplifier core: first stage rejects common-mode interference, second stage provides programmable gain. Use Value: 6 µV/°C max offset drift ensures baseline stability across body-temperature variations; rail-to-rail output drives 12-bit SAR ADC directly. |
Use Scenario: Line-level driver in Bluetooth earbuds with integrated DAC, operating from 3.7 V Li-ion battery. IC Role / Device Role / Timing Role: Low-noise, low-distortion output buffer (0.0006% THD+N) driving 16 Ω headphone load via AC-coupled path. Use Value: Achieves >105 dB SNR with 8 nV/√Hz noise floor - meets Hi-Res Audio certification requirements without discrete passive filtering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8692ARMZ-REEL | Same silicon, non-automotive grade; rated −40°C to +125°C but lacks AEC-Q100 documentation and process controls. | Acceptable for industrial or consumer designs where automotive reliability reporting is not mandated. | Select AD8692WARMZ-REEL when ISO 26262 ASIL-B functional safety compliance or PPAP documentation is required. |
| TSV912IQ2T | Lower bandwidth (8 MHz), higher offset (1.5 mV typ), but lower quiescent current (0.82 mA vs. 0.95 mA). | Suitable for cost-sensitive body-control modules where 10 MHz bandwidth is unnecessary. | Choose AD8692WARMZ-REEL for applications demanding <0.5 mV offset and guaranteed 10 MHz GBW in harsh environments. |
Compared with AD8692ARMZ-REEL and TSV912IQ2T, AD8692WARMZ-REEL uniquely combines AEC-Q100 qualification, 400 µV offset, and 10 MHz bandwidth - making it the only option for safety-critical ADAS sensor signal chains requiring validated long-term reliability at 125°C junction temperature.
Availability
AD8692WARMZ-REEL is available at Aetrix Electronics and suitable for automotive ADAS sensor interfaces, portable medical diagnostics, and battery-powered industrial IoT gateways requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for AD8692WARMZ-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/TS 16949-certified manufacturing.
The AD869x family targets precision signal conditioning in resource-constrained environments - specifically engineered for automotive, medical, and portable instrumentation where low noise, rail-to-rail operation, and extended temperature stability are mandatory.
FAQ
What is the maximum junction temperature rating for AD8692WARMZ-REEL?
The AD8692WARMZ-REEL has a maximum junction temperature of +150°C per Absolute Maximum Ratings (Table 3). Its specified operating range is −40°C to +125°C ambient, and thermal resistance θJA is 210°C/W for the MSOP-8 package. Derating curves must be observed for continuous short-circuit conditions.
Does AD8692WARMZ-REEL support dual-supply operation?
Yes, AD8692WARMZ-REEL supports dual-supply operation down to ±1.35 V (±2.7 V total), as confirmed in Typical Performance Characteristics (Figure 14, Figure 16). Input common-mode range extends to VSS − 0.3 V and VDD + 0.3 V, enabling use in split-rail sensor interfaces with ground-referenced outputs.
Is AD8692WARMZ-REEL pin-compatible with other AD869x variants?
Yes, AD8692WARMZ-REEL shares identical 8-lead MSOP (RM-8) pinout with AD8692ARMZ-REEL and AD8692ARZ, as shown in Figure 3 of the datasheet. All AD8692 variants maintain consistent pin functions across SOIC_N and MSOP packages - enabling drop-in replacement in existing layouts when upgrading to automotive grade.
What is the typical input offset voltage drift over temperature for AD8692WARMZ-REEL?
The AD8692WARMZ-REEL has a maximum offset voltage drift of 6 µV/°C over −40°C to +125°C, with typical distribution centered at 4.5 µV/°C (Figure 6). This value applies specifically to AD8692/AD8694 variants - AD8691 exhibits higher drift (12 µV/°C max) and is not applicable to this dual-channel part.
Can AD8692WARMZ-REEL drive capacitive loads without oscillation?
AD8692WARMZ-REEL remains stable with capacitive loads up to 100 pF in unity-gain configuration, as verified by small-signal overshoot testing (Figure 18). For loads >100 pF, a 10 Ω series resistor at the output is recommended to isolate the capacitance and preserve phase margin above 60°.
AD8692WARMZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 5V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 400 µV
- Current - Supply:
- 950µA (x2 Channels)
- Current - Output / Channel:
- 80 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 6 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
AD8692WARMZ-REEL FAQ
1.How can I place an order for AD8692WARMZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8692WARMZ-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 AD8692WARMZ-REEL reliable?
The price and inventory of AD8692WARMZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8692WARMZ-REEL is usually 5 days.
3.What payment methods are accepted for AD8692WARMZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8692WARMZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8692WARMZ-REEL?
AD8692WARMZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8692WARMZ-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 AD8692WARMZ-REEL?
For technical support, including AD8692WARMZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8692WARMZ-REEL requirements.
6.How does Aetrix verify that AD8692WARMZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD8692WARMZ-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 AD8692WARMZ-REEL meets industry standards.
7.What is the process for return or replacement of AD8692WARMZ-REEL?
All AD8692WARMZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD8692WARMZ-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 AD8692WARMZ-REEL part is unused and in its original packaging.
Return procedure for AD8692WARMZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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