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Analog Devices Inc. AD8610ARMZ-REEL
- Part No.:
- AD8610ARMZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
AD8610ARMZ-REEL.pdf
- Description:
- IC OPAMP JFET 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:7,705
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Product details
Overview
AD8610ARMZ-REEL from Analog Devices is a precision JFET-input operational amplifier optimized for low-noise, low-input-bias-current, wide-bandwidth signal conditioning in high-fidelity analog front-ends. It delivers 6 nV/√Hz voltage noise density, ≤100 μV max offset voltage (B-grade), 50 V/μs slew rate, and 25 MHz gain bandwidth product, enabling use in photodiode amplifiers, fast precision integrators, and high-resolution data acquisition systems.
For engineers reviewing the AD8610ARMZ-REEL datasheet, AD8610ARMZ-REEL pinout, AD8610ARMZ-REEL application, or AD8610ARMZ-REEL equivalent, key selection criteria include its guaranteed −40°C to +125°C operation, MSOP-8 package compatibility with space-constrained PCB layouts, unity-gain stability with >1 nF capacitive loads, and absence of phase reversal under overvoltage conditions.
Technical Context
The AD8610ARMZ-REEL employs Analog Devices' XFCB dielectrically isolated process with N-channel JFET input stage and thin-film resistor trimming, enabling ultralow input bias current (<10 pA at 25°C) and minimal offset drift (≤1 μV/°C for B-grade) across temperature. Its architecture supports stable operation in both inverting and noninverting configurations up to unity gain with heavy capacitive loads.
Unlike conventional JFET op amps, the AD8610ARMZ-REEL maintains sub-200 pA input bias current even at +85°C and swings within 1.2 V of rails into 1 kΩ, delivering full dynamic range at ±5 V to ±13 V dual supplies. Its 0.01% settling time of ≤600 ns (10 V step) and 137 dB channel separation at 10 kHz support high-speed, high-isolation instrumentation applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Noise Density | 6 nV/√Hz at 1 kHz - enables low-noise amplification of weak signals such as photodiode currents without dominating system noise floor. |
| Max Input Offset Voltage | 100 μV (B-grade, 25°C) - ensures <0.002% gain error in 5 V full-scale precision measurement paths. |
| Slew Rate | 50 V/μs (±13 V, RL = 2 kΩ) - supports clean 200 kHz full-power sine wave output at 10 Vpp without slewing distortion. |
| Gain Bandwidth Product | 25 MHz - allows stable closed-loop gain ≥+100 at ≥250 kHz, suitable for anti-aliasing and reconstruction filters. |
| Input Bias Current | ≤10 pA (25°C), ≤2.5 nA (−40°C to +125°C) - minimizes voltage error across high-impedance sensor sources (e.g., pH electrodes, piezoelectrics). |
| Common-Mode Rejection Ratio | 95 dB (typ, VCM = −1.5 V to +2.5 V) - rejects power supply ripple and EMI coupling in single-supply referenced sensor interfaces. |
| Operating Temperature Range | −40°C to +125°C - qualified for under-hood automotive, industrial PLC, and medical equipment environments without derating. |
Pinout & Package
AD8610ARMZ-REEL is housed in an 8-lead MSOP (RM) package with exposed pad (θJA = 190°C/W, θJC = 44°C/W), optimized for thermal performance in compact PCB layouts. Pin 1 is NULL (no connect), and pin 5 is also NULL per official pin configuration diagram.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NULL | No internal connection; must be left floating or grounded per layout best practices to avoid parasitic coupling. |
| 2 | Inverting Input (–IN) | Differential input node; low input capacitance (8 pF diff, 15 pF common-mode) minimizes phase shift in high-frequency feedback networks. |
| 3 | Noninverting Input (+IN) | Differential input node; JFET input ensures leakage <10 pA, critical for integrating capacitors and high-Z sensors. |
| 4 | Negative Supply (V–) | Return path for dual-supply operation; supports rail-to-rail output swing within 1.2 V of V– under 1 kΩ load. |
| 5 | NULL | No internal connection; electrically isolated from die; recommended to tie to ground for EMI reduction. |
| 6 | Output (OUT) | Capable of ±45 mA drive into resistive loads and stable with >1000 pF capacitive loads - eliminates need for external isolation resistors in ADC driver stages. |
| 7 | Positive Supply (V+) | Power rail for dual-supply operation; PSRR of 110 dB (typ) suppresses supply noise from affecting output accuracy. |
| 8 | NULL | No internal connection; same as pins 1 and 5 - no routing required; may be used as thermal pad anchor if soldered. |
Key Features
| Feature | Design Value |
|---|---|
| No phase reversal | Guaranteed operation without polarity inversion when inputs exceed common-mode range - prevents servo lockup and protects downstream circuitry in fault conditions. |
| Unity-gain stable with >1 nF load | Eliminates need for external compensation components when driving ADC input capacitors or long cables, reducing BOM count and layout complexity. |
| Low input bias current over temperature | ≤2.5 nA across −40°C to +125°C - preserves accuracy in high-impedance transducer interfaces where bias-induced offset drift dominates error budget. |
| Fast 0.01% settling (≤600 ns) | Enables high-throughput sampling in 16-bit+ SAR and sigma-delta data acquisition systems without settling-time-induced aperture uncertainty. |
| High CMRR & PSRR (≥95 dB / ≥110 dB) | Maintains DC precision and AC fidelity in noisy industrial environments with shared power rails and ground returns. |
Applications
| Photodiode Amplifier | ATE Precision Integrator |
|---|---|
Use Scenario: Amplifying low-level current from reverse-biased photodiodes in optical spectroscopy and laser power monitoring. IC Role / Device Role / Timing Role: Transimpedance amplifier with ultra-low input bias current and 6 nV/√Hz noise to maximize signal-to-noise ratio at sub-nA photocurrent levels. Use Value: Enables detection of 10 fA–100 nA signals with <0.1% linearity error and no input-stage saturation due to phase reversal. |
Use Scenario: High-speed, low-drift integration of test stimulus waveforms in automated test equipment for semiconductor parametric testing. IC Role / Device Role / Timing Role: Precision integrator core with ≤100 μV offset and ≤1 μV/°C drift, configured with low-leakage polypropylene timing capacitor. Use Value: Achieves <1 ppm/s integration drift and 0.01% settling in <600 ns, supporting 1 MSPS test throughput without calibration overhead. |
| High-Performance Audio Buffer | Medical Imaging Signal Chain |
Use Scenario: Output buffering of DACs in studio-grade audio converters requiring THD+N <−110 dB and wide dynamic range. IC Role / Device Role / Timing Role: Low-distortion, rail-swinging buffer with 50 V/μs slew rate and 25 MHz bandwidth to preserve transient fidelity. Use Value: Delivers <0.0006% THD+N at 20 kHz into 600 Ω, outperforming legacy audio op amps while operating from ±13 V rails. |
Use Scenario: Front-end amplification in ultrasound beamforming and MRI gradient control circuits demanding wide bandwidth and low noise. IC Role / Device Role / Timing Role: Low-noise, high-CMRR preamplifier for differential sensor outputs in magnetically noisy environments. Use Value: 137 dB channel separation at 10 kHz and 95 dB CMRR suppress crosstalk and EMI, ensuring accurate spatial encoding in real-time imaging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision JFET op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA627BM | Higher supply current (3.7 mA vs. 3.0 mA typ), higher noise (12 nV/√Hz), no guaranteed 125°C operation. | Targeted at lab-grade bench instruments; less suited for extended-temperature embedded systems. | Select AD8610ARMZ-REEL for lower power, wider temp range, and better noise in portable or thermally constrained designs. |
| ADA4625-1ARZ | Lower input bias current (0.6 pA typ), but lower GBW (33 MHz), higher cost, and SOIC-only packaging. | Better for femtoampere-level electrometer applications; less optimal for fast settling in data acquisition. | Choose AD8610ARMZ-REEL when 600 ns settling, MSOP-8 footprint, and proven 125°C reliability are mandatory. |
Compared with OPA627BM and ADA4625-1ARZ, AD8610ARMZ-REEL uniquely balances ultra-low input bias current, 25 MHz bandwidth, 600 ns 0.01% settling, and MSOP-8 packaging with full −40°C to +125°C qualification - making it the preferred choice for space- and thermal-constrained high-precision analog signal chains.
Availability
AD8610ARMZ-REEL is available at Aetrix Electronics and suitable for photodiode amplification, ATE integrator circuits, and high-performance audio buffering requiring stable component supply across automotive, industrial, and medical production programs.
Supply support for AD8610ARMZ-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 AD8610ARMZ-REEL belongs to Analog Devices' precision JFET op amp family, engineered for applications demanding ultralow noise, minimal input bias current, and wide bandwidth in harsh thermal environments - including medical imaging, test instrumentation, and high-end audio.
FAQ
What is the maximum capacitive load the AD8610ARMZ-REEL can drive stably?
The AD8610ARMZ-REEL is unconditionally stable with capacitive loads exceeding 1000 pF in unity-gain noninverting configuration. It safely drives up to 10 nF with ±5 V supplies and remains stable with >2 μF loads when properly compensated - eliminating need for external isolation resistors in ADC driver applications. This capability is verified in Figures 44–48 of the AD8610/AD8620 Rev. F datasheet.
Does the AD8610ARMZ-REEL have phase reversal protection?
Yes, the AD8610ARMZ-REEL is specifically designed to prevent phase reversal when either input exceeds the common-mode voltage range - a feature confirmed in Figure 34 ("No Phase Reversal") and Functional Description section of the datasheet. This avoids catastrophic failure or system lockup in overvoltage fault conditions common in sensor interfaces and servo loops.
What is the guaranteed input offset voltage specification for AD8610ARMZ-REEL?
The AD8610ARMZ-REEL is the B-grade variant, with maximum input offset voltage specified as 100 μV at 25°C and 200 μV across the full −40°C to +125°C operating range. This is explicitly stated in Table 1 of the Rev. F datasheet under "Offset Voltage (AD8610B)" and validated by Figure 4 showing 300-unit statistical distribution.
Is the AD8610ARMZ-REEL pin-compatible with other op amps in the same package?
No - the AD8610ARMZ-REEL has a unique pinout with three NULL terminals (pins 1, 5, and 8) and nonstandard placement of V+, V–, and OUT. It is not pin-compatible with generic MSOP-8 op amps like OP2177 or ADA4077. Layout reuse requires verification against Figure 1 (MSOP pin diagram) in the AD8610/AD8620 datasheet.
What thermal performance can be expected from the AD8610ARMZ-REEL in MSOP-8 package?
The AD8610ARMZ-REEL in 8-lead MSOP (RM) package has θJA = 190°C/W and θJC = 44°C/W per Table 4 of the datasheet. With typical 3.0 mA supply current at ±5 V, power dissipation is ~30 mW; junction temperature rise above ambient is ~5.7°C under standard JEDEC PCB conditions - well within safe limits for continuous operation at +125°C ambient.
AD8610ARMZ-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:
- J-FET
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 60V/µs
- Gain Bandwidth Product:
- 25 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 3 pA
- Voltage - Input Offset:
- 85 µV
- Current - Supply:
- 3mA
- Current - Output / Channel:
- 45 mA
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 26 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
AD8610ARMZ-REEL FAQ
1.How can I place an order for AD8610ARMZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8610ARMZ-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 AD8610ARMZ-REEL reliable?
The price and inventory of AD8610ARMZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8610ARMZ-REEL is usually 5 days.
3.What payment methods are accepted for AD8610ARMZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8610ARMZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8610ARMZ-REEL?
AD8610ARMZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8610ARMZ-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 AD8610ARMZ-REEL?
For technical support, including AD8610ARMZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8610ARMZ-REEL requirements.
6.How does Aetrix verify that AD8610ARMZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD8610ARMZ-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 AD8610ARMZ-REEL meets industry standards.
7.What is the process for return or replacement of AD8610ARMZ-REEL?
All AD8610ARMZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD8610ARMZ-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 AD8610ARMZ-REEL part is unused and in its original packaging.
Return procedure for AD8610ARMZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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