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Analog Devices Inc. AD8617ARZ-REEL
- Part No.:
- AD8617ARZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8617ARZ-REEL.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,814
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Product details
Overview
AD8617ARZ-REEL from Analog Devices is a dual, micropower, rail-to-rail input/output CMOS operational amplifier optimized for low-noise, low-voltage, single-supply operation (1.8 V to 5.5 V). It delivers 22 nV/√Hz voltage noise density at 10 kHz, 50 μA/amplifier max supply current over temperature, and 2.2 mV max offset voltage - enabling precision signal conditioning in battery-powered instrumentation and sensor interfaces.
For engineers reviewing the AD8617ARZ-REEL datasheet, AD8617ARZ-REEL pinout, AD8617ARZ-REEL application, or AD8617ARZ-REEL equivalent, key selection criteria include its rail-to-rail I/O capability at 1.8 V supply, ultra-low input bias current (1 pA max), unity-gain stability, and qualification for industrial temperature range (−40°C to +125°C) in SOIC_N packaging.
Technical Context
The AD8617ARZ-REEL implements a CMOS input stage with matched differential pairs, delivering femtoampere-level input bias current and high common-mode rejection (95 dB typ at 5 V). Its fully differential output stage supports rail-to-rail swing under load, maintaining <30 mV VOL at 1 mA sink current across temperature.
Internally compensated for unity-gain stability, it achieves 350 kHz gain-bandwidth product at 10 kΩ load and 70° phase margin with 20 pF capacitive load - enabling robust performance in ADC predriver and DAC level-shifter configurations without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 5.5 V single supply - enables direct interface with Li-ion, coin-cell, and 3.3 V logic systems without level shifting. |
| Input Offset Voltage | 2.2 mV max - ensures ≤0.044% full-scale error in 5 V-span 12-bit ADC front-ends. |
| Input Bias Current | 1 pA max - preserves signal integrity in high-impedance sensor nodes (e.g., pH electrodes, photodiode transimpedance). |
| Voltage Noise Density | 22 nV/√Hz at 10 kHz - supports low-noise amplification of µV-level signals in medical and precision measurement. |
| Supply Current per Amplifier | 50 μA max over −40°C to +125°C - allows continuous operation in energy-constrained IoT edge nodes for >10 years on CR2032. |
| CMRR | 95 dB typical at 25°C - rejects power supply ripple and EMI in noisy industrial environments. |
| Output Swing | Rail-to-rail - delivers full dynamic range into 10 kΩ loads, maximizing SNR when driving SAR ADCs or low-voltage ASICs. |
Pinout & Package
AD8617ARZ-REEL is housed in an 8-lead SOIC_N (R-8) package with standard JEDEC MS-012-AA footprint (5.00 mm × 4.00 mm body, 1.27 mm pitch). Pin 4 (V–) and exposed thermal pad (if present in variant) 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 and <30 mV saturation voltage. |
| 2 | –IN A | Inverting input of Amp A - high-impedance CMOS node (1 pA bias) suitable for precision feedback networks. |
| 3 | +IN A | Non-inverting input of Amp A - accepts common-mode voltages from rail to rail (0 V to VSY). |
| 4 | V– | Negative supply / ground reference - must be tied to system ground; connects to exposed pad in LFCSP variants (not applicable to SOIC). |
| 5 | +IN B | Non-inverting input of Amp B - electrically isolated from Amp A; shares same V– and V+ rails. |
| 6 | –IN B | Inverting input of Amp B - identical electrical characteristics to Pin 2; supports independent dual-channel operation. |
| 7 | OUT B | Amplifier B output - functionally identical to Pin 1; enables dual-signal processing without cross-talk (120 dB channel separation). |
| 8 | V+ | Positive supply - accepts 1.8–5.5 V; PSRR of 94 dB minimizes sensitivity to supply noise. |
Key Features
| Feature | Design Value |
|---|---|
| No phase reversal | Prevents catastrophic output latch-up during input overvoltage - critical for sensor front-ends exposed to ESD or transient surges. |
| Rail-to-rail input and output | Enables full utilization of 1.8 V supply headroom in portable systems, eliminating need for charge pumps or dual supplies. |
| Micropower operation | 38 μA/amplifier typical at 25°C - reduces self-heating and extends battery life in always-on monitoring applications. |
| Low 1/f noise corner | 100 Hz corner frequency - maintains low integrated noise in DC-coupled sensor amplifiers (e.g., thermopiles, strain gauges). |
| Unity-gain stable | Operates reliably with gain = 1 without external compensation - simplifies design of buffer stages for data converters. |
Applications
| Battery-Powered Instrumentation | Current Shunt Sensing |
|---|---|
Use Scenario: Portable multimeter measuring µA–mA currents with 16-bit resolution. IC Role / Device Role / Timing Role: Dual op-amp configures one channel as precision shunt amplifier (gain = 100), second as reference buffer. Use Value: 1 pA input bias avoids loading high-value gain-setting resistors; 22 nV/√Hz noise ensures sub-µV resolution at 10 Hz bandwidth. |
Use Scenario: Bidirectional motor current monitoring in BLDC controller using 10 mΩ shunt. IC Role / Device Role / Timing Role: Single AD8617ARZ-REEL provides both high-side and low-side sensing paths via dual amplifiers. Use Value: Rail-to-rail I/O accommodates 0–3.3 V ADC input range; 2.2 mV offset contributes <0.22% error at 1 A full scale. |
| Sensor Signal Conditioning | ADC Predriver |
Use Scenario: Low-power gas sensor array with electrochemical cells requiring µV-level amplification. IC Role / Device Role / Timing Role: Configured as non-inverting amplifier (G = 100) with matched thin-film resistors for drift cancellation. Use Value: 4.5 µV/°C max offset drift minimizes calibration frequency; 1.8 V operation matches sensor's native output range. |
Use Scenario: Driving SAR ADC input (e.g., AD7980) with 100 kSPS sampling in portable data logger. IC Role / Device Role / Timing Role: Unity-gain buffer isolates RC filter from ADC input capacitance during acquisition. Use Value: 70° phase margin prevents ringing; 350 kHz GBW settles 12-bit codes within 23 µs (0.1% error). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual micropower op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2313IDR | Higher supply current (50 µA typ vs. 38 µA typ); 3.5 mV max offset; 25 nV/√Hz noise at 1 kHz. | Optimized for 1.8–5.5 V operation but lacks automotive qualification; lower CMRR (80 dB) limits noise rejection in industrial settings. | Preferred where cost sensitivity outweighs ultra-low offset or noise requirements. |
| TSV622AIST | Lower supply current (38 µA max), but only 1.8–6 V range; 3.5 mV max offset; no specified 125°C operation. | Qualified to AEC-Q200 but not automotive-grade; lacks guaranteed performance above 105°C - unsuitable for under-hood use. | Select when extended temperature range is not required and PCB space favors SOT23-8. |
Compared with OPA2313IDR and TSV622AIST, AD8617ARZ-REEL offers superior offset voltage (2.2 mV vs. ≥3.5 mV), lower noise at 10 kHz (22 vs. ≥25 nV/√Hz), and guaranteed operation to +125°C in SOIC - making it optimal for high-accuracy, wide-temperature industrial instrumentation.
Availability
AD8617ARZ-REEL is available at Aetrix Electronics and suitable for battery-powered instrumentation, current shunt sensing, and sensor signal conditioning requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for AD8617ARZ-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 R&D and manufacturing facilities worldwide.
The AD8617 belongs to Analog Devices' precision micropower op-amp family, designed specifically for ultra-low-power, high-accuracy signal conditioning in portable, loop-powered, and energy-harvesting systems.
FAQ
What is the maximum operating temperature for AD8617ARZ-REEL?
The AD8617ARZ-REEL is rated for continuous operation from −40°C to +125°C. This extended industrial temperature range is validated per the Absolute Maximum Ratings table and confirmed in the Ordering Guide, making it suitable for deployment in harsh environments such as factory automation controllers and automotive engine compartments.
Does AD8617ARZ-REEL support true rail-to-rail input at 1.8 V supply?
Yes, AD8617ARZ-REEL supports rail-to-rail input common-mode voltage range (0 V to VSY) at 1.8 V supply, as specified in Table 2 (Input Voltage Range = 0 to 1.8 V). This enables direct interfacing with low-voltage sensors and ASICs without external level-shifting circuitry.
Is AD8617ARZ-REEL pin-compatible with other devices in the AD861x family?
No - AD8617ARZ-REEL (dual, 8-pin SOIC) is not pin-compatible with AD8613 (single, 5-pin SC70/TSOT) or AD8619 (quad, 14-pin SOIC/TSSOP). Pin compatibility exists only within the same channel count and package type, e.g., AD8617ARMZ (MSOP) shares identical pinout with AD8617ARZ-REEL (SOIC) for Pins 1–8.
What is the recommended layout practice for the exposed pad on AD8617ARZ-REEL?
AD8617ARZ-REEL in SOIC_N (R-8) packaging does not feature an exposed thermal pad. That thermal pad is exclusive to the LFCSP variant (AD8617ACPZ-R7). For AD8617ARZ-REEL, standard SOIC thermal relief and ground plane connection to Pin 4 (V–) are sufficient for thermal management.
Can AD8617ARZ-REEL drive a 10 kΩ load while maintaining rail-to-rail output swing?
Yes - AD8617ARZ-REEL guarantees rail-to-rail output swing into 10 kΩ loads, with VOH ≥4.95 V and VOL ≤30 mV at IL = 1 mA and VSY = 5 V (Table 1). At 1.8 V supply, it delivers VOH ≥1.65 V and VOL ≤60 mV under the same conditions, preserving full dynamic range.
AD8617ARZ-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:
- 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-REEL FAQ
1.How can I place an order for AD8617ARZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8617ARZ-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 AD8617ARZ-REEL reliable?
The price and inventory of AD8617ARZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8617ARZ-REEL is usually 5 days.
3.What payment methods are accepted for AD8617ARZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8617ARZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8617ARZ-REEL?
AD8617ARZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8617ARZ-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 AD8617ARZ-REEL?
For technical support, including AD8617ARZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8617ARZ-REEL requirements.
6.How does Aetrix verify that AD8617ARZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD8617ARZ-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 AD8617ARZ-REEL meets industry standards.
7.What is the process for return or replacement of AD8617ARZ-REEL?
All AD8617ARZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD8617ARZ-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 AD8617ARZ-REEL part is unused and in its original packaging.
Return procedure for AD8617ARZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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