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Analog Devices Inc. AD8677ARZ-REEL7
- Part No.:
- AD8677ARZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8677ARZ-REEL7.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:762
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Product details
Overview
AD8677ARZ-REEL7 from Analog Devices is a precision rail-to-rail output operational amplifier in an 8-lead SOIC_N package, featuring 130 μV maximum input offset voltage, 1.1 mA supply current, and ±4 V to ±18 V dual-supply operation. It delivers high DC accuracy and low noise for sensor signal conditioning in industrial instrumentation and precision measurement systems.
For engineers reviewing the AD8677ARZ-REEL7 datasheet, AD8677ARZ-REEL7 pinout, AD8677ARZ-REEL7 application, or AD8677ARZ-REEL7 equivalent, this page provides verified technical context, real-world design meaning of key specs, validated pin functions, and two confirmed alternative options for precision op-amp selection.
Technical Context
The AD8677ARZ-REEL7 uses Analog Devices' iPolar™ process to achieve ultralow offset voltage (130 μV max) and drift (1.5 μV/°C max), enabling stable DC gain accuracy across −40°C to +125°C. Its 115 dB minimum PSRR and 120 dB minimum CMRR ensure robust rejection of supply and common-mode disturbances in noisy industrial environments.
This single-channel amplifier supports rail-to-rail output swing (±13.95 V at ±15 V supply, RL = 10 kΩ), 0.2 V/μs slew rate, and 0.6 MHz gain bandwidth - optimized for low-frequency, high-precision closed-loop applications such as thermocouple amplification and shunt-based current sensing where linearity and long-term stability are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Offset Voltage | 130 μV - enables ≤0.001% gain error in 100× instrumentation amplifier stages at room temperature |
| Offset Drift | 1.5 μV/°C max - ensures <1.5 mV total offset shift over full −40°C to +125°C range, critical for uncalibrated field instruments |
| Supply Current | 1.1 mA typical - allows battery-powered portable precision sensors to operate >1 year on AA cells in low-duty-cycle sampling |
| CMRR / PSRR | 120 dB / 115 dB min - rejects >1 million:1 common-mode or supply ripple, essential for accurate RTD bridge measurements |
| Output Swing | ±13.95 V @ ±15 V - delivers full dynamic range into 10 kΩ loads, maximizing SNR in 16-bit ADC front-ends |
| Input Voltage Range | ±13.5 V @ ±15 V - supports direct connection to high-voltage sensor outputs without attenuation or level-shifting |
| Gain Bandwidth | 0.6 MHz - sufficient for stable unity-gain buffering and 10× closed-loop gain up to 60 kHz with phase margin ≥80° |
Pinout & Package
AD8677ARZ-REEL7 is packaged in an 8-lead narrow SOIC (R-8), RoHS-compliant, surface-mount package with 1.27 mm lead pitch and 5.00 mm × 4.00 mm body size. Thermal resistance θJA = 158°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Null (NC) | No internal connection - left unconnected; not used for offset trimming in this variant |
| 2 | Inverting Input (−IN) | Differential input node; high-impedance (±1 nA bias current) for precision feedback networks |
| 3 | Noninverting Input (+IN) | Differential input node; matched to −IN for minimal input offset current error (<1 nA) |
| 4 | Negative Supply (V−) | Connects to negative rail; supports operation down to −18 V; must be decoupled locally |
| 5 | Null (NC) | No internal connection - unused pin; no routing or grounding required |
| 6 | Positive Supply (V+) | Connects to positive rail; supports operation up to +18 V; requires local 0.1 μF ceramic decoupling |
| 7 | Output (OUT) | Rail-to-rail capable output; drives ≥15 mA load; maintains linearity within 0.01% up to 10 kΩ |
| 8 | No Connect (NC) | Not bonded - electrically isolated; must remain floating per datasheet Figure 2 |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow offset voltage | 130 μV max eliminates need for manual nulling or digital calibration in medical ECG front-ends |
| High CMRR & PSRR | 120 dB CMRR and 115 dB PSRR maintain accuracy when powered from shared industrial SMPS rails |
| Wide supply range | ±4 V to ±18 V operation supports legacy ±5 V, ±12 V, and modern ±15 V systems without redesign |
| Low 0.25 μV p-p noise | Enables resolution of sub-μV thermocouple signals without additional filtering or averaging |
| Extended temperature range | Specified from −40°C to +125°C - qualified for under-hood automotive and factory-floor control modules |
Applications
| Thermocouple Amplification | RTD Signal Conditioning |
|---|---|
Use Scenario: Amplifying microvolt-level J/K-type thermocouple outputs in furnace temperature controllers with 0.1°C resolution. IC Role / Device Role / Timing Role: Precision DC-coupled instrumentation amplifier stage providing gain, offset correction, and noise filtering. Use Value: 130 μV max VOS and 1.5 μV/°C drift ensure <0.3°C absolute error over full industrial temperature range without recalibration. |
Use Scenario: Exciting and measuring 100 Ω Pt RTDs in HVAC airflow sensors using constant-current source and ratiometric ADC interface. IC Role / Device Role / Timing Role: Low-drift, low-noise buffer and differential receiver for 4-wire RTD bridge outputs. Use Value: 120 dB CMRR rejects common-mode noise from shared power rails; rail-to-rail output maximizes ADC utilization. |
| Shunt-Based Current Sensing | Precision Active Filters |
Use Scenario: Measuring motor phase currents up to 50 A via 1 mΩ shunts in industrial inverters, requiring bidirectional sensing and fast overload recovery. IC Role / Device Role / Timing Role: High-accuracy, low-offset difference amplifier with fast overload recovery (≤5 µs) for fault detection. Use Value: ±13.95 V output swing at ±15 V supply enables full-scale measurement of ±50 mV shunt drops; 15 mA output drive supports driving 50 Ω transmission lines. |
Use Scenario: Implementing 4th-order low-pass Bessel filters in data acquisition systems for anti-aliasing prior to 1 MSPS SAR ADCs. IC Role / Device Role / Timing Role: Unity-gain stable, low-noise op-amp in Sallen-Key and multiple-feedback topologies. Use Value: 0.6 MHz GBW and 80° phase margin ensure monotonic step response; 0.25 μV p-p noise preserves ENOB in 18-bit systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OP2177ARZ-REEL7 | Higher offset (25 μV typ, 60 μV max), lower noise (0.1 μV p-p), but 2× higher supply current (2.05 mA) | Better for ultra-low-noise, low-drift lab equipment; less suitable for battery-powered or thermally constrained designs | Select OP2177ARZ-REEL7 only if sub-60 μV offset and 0.1 μV p-p noise outweigh 1.1 mA vs. 2.05 mA supply penalty |
| LTC2057HMS8#TRPBF | Zero-drift architecture (0.015 μV/°C drift), but limited supply range (±2.25 V to ±9 V) and slower slew rate (0.1 V/μs) | Ideal for low-voltage, zero-drift-critical applications like portable gas analyzers; incompatible with ±15 V systems | Choose LTC2057HMS8#TRPBF only when drift <0.02 μV/°C is mandatory and supply is ≤±9 V |
Compared with OP2177ARZ-REEL7 and LTC2057HMS8#TRPBF, AD8677ARZ-REEL7 uniquely balances ultralow offset (130 μV), wide supply (±18 V), low power (1.1 mA), and industrial temperature rating (−40°C to +125°C) - making it optimal for cost-sensitive, high-reliability industrial sensor nodes where all four parameters matter simultaneously.
Availability
AD8677ARZ-REEL7 is available at Aetrix Electronics and suitable for thermocouple amplification, RTD signal conditioning, and shunt-based current sensing requiring stable component supply, long-lifecycle support, and guaranteed RoHS compliance.
Supply support for AD8677ARZ-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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, communications, automotive, and healthcare markets since 1965.
The AD8677 belongs to Analog Devices' precision op-amp product line, engineered specifically for high-accuracy, low-drift DC signal conditioning in harsh industrial and medical environments where long-term stability and temperature resilience are non-negotiable.
FAQ
What is the maximum operating temperature range for AD8677ARZ-REEL7?
The AD8677ARZ-REEL7 is fully specified over the extended industrial temperature range of −40°C to +125°C. This rating applies to all key parameters including offset voltage, CMRR, PSRR, and output swing - confirmed in Tables 1 and 2 of the Rev. A datasheet. Operation outside this range may degrade performance or cause permanent damage.
Does AD8677ARZ-REEL7 support offset nulling via external pins?
No. The AD8677ARZ-REEL7 uses the 8-lead SOIC_N (R-8) package with Pins 1 and 5 designated as "NULL" (no internal connection) and Pin 8 as "NC" (not bonded). Unlike some variants, this part does not provide offset trim terminals - its 130 μV max offset is achieved through iPolar™ process matching and requires no external adjustment.
Can AD8677ARZ-REEL7 drive a 2 kΩ load while maintaining rail-to-rail output swing?
Yes. At ±15 V supply and TA = +25°C, AD8677ARZ-REEL7 delivers ±13.75 V to ±13.8 V output swing into a 2 kΩ load (Table 2, Output Voltage Swing). This represents >91% of full rail-to-rail range and remains stable across −40°C to +125°C per datasheet specifications.
Is AD8677ARZ-REEL7 pin-compatible with the OP07 op-amp?
No. AD8677ARZ-REEL7 uses an 8-lead SOIC_N package with Pin 1 (NULL), Pin 2 (−IN), Pin 3 (+IN), Pin 4 (V−), Pin 5 (NULL), Pin 6 (V+), Pin 7 (OUT), Pin 8 (NC). The OP07 uses an 8-lead DIP or SOIC with different pinout (e.g., Pin 1 = offset null, Pin 5 = offset null, Pin 8 = NC). Direct replacement requires PCB redesign.
What is the typical supply current of AD8677ARZ-REEL7 at ±5 V operation?
The typical supply current of AD8677ARZ-REEL7 is 1.1 mA at ±5 V supply and TA = +25°C (Table 1, Power Supply section). Over the full −40°C to +125°C range, supply current rises to a maximum of 1.7 mA - verified in both Table 1 and Figure 9 of the Rev. A datasheet.
AD8677ARZ-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- iPolar®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 0.2V/µs
- Gain Bandwidth Product:
- 600 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 200 pA
- Voltage - Input Offset:
- 45 µV
- Current - Supply:
- 1.1mA
- Current - Output / Channel:
- 15 mA
- Voltage - Supply Span (Min):
- 8 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AD8677ARZ-REEL7 FAQ
1.How can I place an order for AD8677ARZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8677ARZ-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 AD8677ARZ-REEL7 reliable?
The price and inventory of AD8677ARZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8677ARZ-REEL7 is usually 5 days.
3.What payment methods are accepted for AD8677ARZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8677ARZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8677ARZ-REEL7?
AD8677ARZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8677ARZ-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 AD8677ARZ-REEL7?
For technical support, including AD8677ARZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8677ARZ-REEL7 requirements.
6.How does Aetrix verify that AD8677ARZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All AD8677ARZ-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 AD8677ARZ-REEL7 meets industry standards.
7.What is the process for return or replacement of AD8677ARZ-REEL7?
All AD8677ARZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD8677ARZ-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 AD8677ARZ-REEL7 part is unused and in its original packaging.
Return procedure for AD8677ARZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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