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Analog Devices Inc. AD8617ARZ-REEL7
- Part No.:
- AD8617ARZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8617ARZ-REEL7.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,262
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Product details
Overview
AD8617ARZ-REEL7 from Analog Devices is a dual, micropower, rail-to-rail input/output operational amplifier optimized for low-voltage, battery-powered systems. It delivers 2.2 mV max offset voltage, 1 pA max input bias current, 22 nV/√Hz voltage noise at 10 kHz, 50 μA/amplifier max supply current over temperature, and operates from 1.8 V to 5.5 V single supply - enabling precision signal conditioning in portable instrumentation and sensor interfaces.
For engineers reviewing the AD8617ARZ-REEL7 datasheet, AD8617ARZ-REEL7 pinout, AD8617ARZ-REEL7 application, or AD8617ARZ-REEL7 equivalent, key selection criteria include rail-to-rail I/O swing at 1.8 V, micropower operation below 50 μA per amplifier, low input bias current for high-impedance sensor buffering, and SOIC_N package compatibility with legacy layouts.
Technical Context
The AD8617ARZ-REEL7 implements a CMOS input stage with no phase reversal, supporting unity-gain stability and full rail-to-rail output swing into 10 kΩ loads. Its architecture maintains 95 dB CMRR and 67 dB PSRR across 1.8 V–5.5 V supply range, with guaranteed performance from −40°C to +125°C.
It achieves 400 kHz gain bandwidth at 100 kΩ load and 70° phase margin with 20 pF capacitive load, enabling stable use as ADC predrivers and DAC level shifters without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 5.5 V single supply - supports direct interface with Li-ion, coin-cell, and 3.3 V logic systems. |
| Input Offset Voltage | 2.2 mV maximum - ensures ≤0.044% error at 5 V full-scale in precision sensor amplification. |
| Input Bias Current | 1 pA maximum - enables accurate measurement from high-impedance sources like pH electrodes or photodiodes. |
| Supply Current per Amplifier | 50 μA maximum over temperature - allows >20-year battery life in always-on 10 μA system-level sleep modes. |
| Voltage Noise Density | 22 nV/√Hz at 10 kHz - preserves SNR in 10–100 kHz bandwidth sensor front-ends. |
| Output Swing | Rail-to-rail both input and output - delivers full dynamic range when driving 12-bit SAR ADCs with 0–VDD reference. |
| Gain Bandwidth Product | 400 kHz at 100 kΩ load - sufficient for anti-aliasing filters and multipole active filter stages up to 50 kHz. |
Pinout & Package
The AD8617ARZ-REEL7 is housed in an 8-lead SOIC_N (R-8) package, 3.9 mm × 4.9 mm body, with standard JEDEC MS-012-AA footprint and 1.27 mm lead pitch. Pin 4 (V−) and exposed thermal pad must be connected to ground for optimal thermal and electrical performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives loads up to 10 mA while maintaining rail-to-rail swing. |
| 2 | −IN A | Inverting input of Amplifier A - high-impedance node (1 pA bias) for feedback networks or differential sensing. |
| 3 | +IN A | Non-inverting input of Amplifier A - accepts common-mode voltages from 0 V to VDD. |
| 4 | V− | Negative supply / ground reference - must be tied to system ground; connects to exposed thermal pad. |
| 5 | +IN B | Non-inverting input of Amplifier B - independent of Channel A; supports dual-sensor or dual-path signal chains. |
| 6 | −IN B | Inverting input of Amplifier B - configured for transimpedance, difference, or instrumentation topologies. |
| 7 | OUT B | Amplifier B output - electrically isolated from OUT A; enables simultaneous dual-channel processing. |
| 8 | V+ | Positive supply - accepts 1.8–5.5 V; PSRR ≥67 dB minimizes supply ripple coupling. |
Key Features
| Feature | Design Value |
|---|---|
| No phase reversal | Prevents output latch-up during input overdrive - critical for shunt current monitoring where inputs exceed rails. |
| Rail-to-rail input and output | Enables full utilization of 1.8 V supply headroom - eliminates need for level-shifting in ultra-low-voltage microcontroller interfaces. |
| Micropower operation | 38 μA typical supply current per amplifier at 25°C - reduces thermal load in sealed enclosures and extends shelf life of battery-backed modules. |
| Low input voltage noise | 22 nV/√Hz at 10 kHz - maintains resolution in 16-bit data acquisition systems with <100 kHz bandwidth. |
| Qualified for automotive | AD8617W variant available - but AD8617ARZ-REEL7 is commercial-grade; operates reliably from −40°C to +125°C per specification. |
Applications
| Battery-Powered Instrumentation | Current Shunt Sensing |
|---|---|
Use Scenario: Portable multimeter front-end amplifying mV-level signals from precision resistors under 3.3 V battery power. IC Role / Device Role / Timing Role: Dual op-amp provides chopper-stabilized gain and offset correction path for auto-zero calibration. Use Value: 1 pA input bias avoids loading high-value gain-setting resistors; 50 μA quiescent current extends 200-hour runtime on two AA cells. | Use Scenario: Bidirectional motor current monitoring in BLDC inverters using 10 mΩ shunts at 0–30 A range. IC Role / Device Role / Timing Role: Differential amplifier rejecting common-mode bus voltage while amplifying shunt voltage with 2.2 mV offset error. Use Value: Rail-to-rail input accepts −0.3 V to +5.3 V common-mode range; no phase reversal prevents fault-induced output saturation during PWM edge transients. |
| Sensor Signal Conditioning | ADC Predriver |
Use Scenario: Amplifying thermopile or RTD bridge outputs in industrial temperature transmitters operating from 2.4 V coin cell. IC Role / Device Role / Timing Role: Low-noise, low-drift buffer isolating high-impedance sensor from 12-bit SAR ADC input capacitance. Use Value: 22 nV/√Hz noise density contributes <0.5 LSB noise floor; 4.5 μV/°C max drift limits temperature error to ±0.2°C over −40°C to +85°C. | Use Scenario: Driving AD7476A 12-bit ADC input with 10 kΩ source impedance and 10 pF hold capacitor. IC Role / Device Role / Timing Role: Unity-gain stable follower providing low-Z drive to minimize acquisition settling time. Use Value: 23 μs settling to 0.1% at 2 V step ensures <100 ns aperture jitter; rail-to-rail output guarantees full 0–VREF code coverage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333AIDR | Zero-drift architecture; 0.02 μV/°C offset drift vs. AD8617ARZ-REEL7's 4.5 μV/°C; 17 μA supply current. | Better DC precision in <1 Hz bandwidth apps; higher cost and larger die size limit space-constrained designs. | Select OPA2333AIDR when sub-μV offset stability over temperature is mandatory; AD8617ARZ-REEL7 preferred for cost-sensitive, wide-bandwidth, micropower use cases. |
| MCP6022-I/SN | Higher 100 μA supply current; 2.5 mV max offset; 11 nV/√Hz noise at 1 kHz; not specified for −40°C to +125°C. | Lower noise than AD8617ARZ-REEL7 at low frequencies but consumes >2× current; rated only to +85°C. | Choose MCP6022-I/SN for consumer-grade 0–85°C applications needing lower 1/f noise; AD8617ARZ-REEL7 remains optimal for extended temperature, ultra-low-power industrial deployments. |
Compared with OPA2333AIDR and MCP6022-I/SN, AD8617ARZ-REEL7 uniquely balances micropower (50 μA), rail-to-rail operation down to 1.8 V, −40°C to +125°C qualification, and SOIC_N footprint - making it the most suitable dual op-amp for long-life, wide-temperature, battery-operated sensor nodes.
Availability
AD8617ARZ-REEL7 is available at Aetrix Electronics and suitable for battery-powered instrumentation, current shunt sensing, and sensor signal conditioning requiring stable component supply across industrial and medical OEM programs.
Supply support for AD8617ARZ-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 Norwood, MA.
The AD861x family was designed specifically for micropower, precision signal conditioning in portable and loop-powered instrumentation - emphasizing rail-to-rail operation, ultra-low input bias current, and robustness across extended temperature ranges.
FAQ
What is the operating temperature range for AD8617ARZ-REEL7?
The AD8617ARZ-REEL7 is fully specified from −40°C to +125°C, with all key parameters-including input offset voltage, supply current, and CMRR-guaranteed across this range. This makes AD8617ARZ-REEL7 suitable for under-hood automotive auxiliary modules, industrial field transmitters, and outdoor IoT sensor nodes where ambient extremes are expected.
Does AD8617ARZ-REEL7 support true rail-to-rail input and output?
Yes, AD8617ARZ-REEL7 supports rail-to-rail input common-mode range (0 V to VDD) and rail-to-rail output swing (within 20 mV of each rail at 1 mA load). At 1.8 V supply, output high is 1.65 V min and output low is 44 mV max, preserving >90% of full-scale dynamic range for low-voltage ADC interfacing.
What is the maximum supply current per amplifier for AD8617ARZ-REEL7?
The maximum supply current per amplifier for AD8617ARZ-REEL7 is 50 μA over the full −40°C to +125°C temperature range. At 25°C and 5 V supply, typical current is 38 μA - enabling multi-year operation from primary lithium batteries in maintenance-free remote sensors.
Can AD8617ARZ-REEL7 drive capacitive loads directly?
AD8617ARZ-REEL7 is unity-gain stable and characterized with 20 pF capacitive load, achieving 70° phase margin. For loads >100 pF, external isolation resistor (e.g., 10–50 Ω in series with output) is recommended to maintain stability - confirmed in Figure 18 and Figure 33 of the Rev. H datasheet.
Is AD8617ARZ-REEL7 pin-compatible with other dual op-amps in SOIC-8?
AD8617ARZ-REEL7 uses standard SOIC_N (R-8) pinout per Figure 2 of the datasheet: OUT A, −IN A, +IN A, V−, +IN B, −IN B, OUT B, V+. It matches industry-standard dual op-amp pin mapping (e.g., same as LM358, MCP6022), enabling drop-in replacement in many existing layouts - though design validation is required for noise, bandwidth, and DC accuracy differences.
AD8617ARZ-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:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.1V/µs
- Gain Bandwidth Product:
- 400 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.2 pA
- Voltage - Input Offset:
- 400 µV
- Current - Supply:
- 38µA
- Current - Output / Channel:
- 80 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AD8617ARZ-REEL7 FAQ
1.How can I place an order for AD8617ARZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8617ARZ-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 AD8617ARZ-REEL7 reliable?
The price and inventory of AD8617ARZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8617ARZ-REEL7 is usually 5 days.
3.What payment methods are accepted for AD8617ARZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8617ARZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8617ARZ-REEL7?
AD8617ARZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8617ARZ-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 AD8617ARZ-REEL7?
For technical support, including AD8617ARZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8617ARZ-REEL7 requirements.
6.How does Aetrix verify that AD8617ARZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All AD8617ARZ-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 AD8617ARZ-REEL7 meets industry standards.
7.What is the process for return or replacement of AD8617ARZ-REEL7?
All AD8617ARZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD8617ARZ-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 AD8617ARZ-REEL7 part is unused and in its original packaging.
Return procedure for AD8617ARZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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