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Analog Devices Inc. ADA4610-1ARZ-R7
- Part No.:
- ADA4610-1ARZ-R7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
ADA4610-1ARZ-R7.pdf
- Description:
- IC OPAMP JFET 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,716
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Product details
Overview
ADA4610-1ARZ-R7 from Analog Devices is a single-channel, precision JFET-input operational amplifier with rail-to-rail output, 0.4 mV max offset voltage (B grade), 7.30 nV/√Hz voltage noise density at 1 kHz, and ±5 V to ±15 V dual-supply operation - designed for high-impedance sensor signal conditioning in medical instruments and photodiode amplifiers.
For engineers reviewing the ADA4610-1ARZ-R7 datasheet, ADA4610-1ARZ-R7 pinout, ADA4610-1ARZ-R7 application, or ADA4610-1ARZ-R7 equivalent, this page delivers verified specifications, SOIC-8 package layout, real-world use cases in precision current measurement and audio front-ends, and two validated alternative op amps with documented functional trade-offs.
Technical Context
The ADA4610-1ARZ-R7 employs a JFET input stage enabling ultra-low input bias current (5 pA typical) and >10¹³ Ω input resistance, supporting accurate amplification of microamp-level signals from high-impedance sources. Its unity-gain stable architecture achieves 9.3 MHz unity-gain crossover and 61° phase margin with 2 kΩ load.
It features no phase reversal under overvoltage conditions, rail-to-rail output swing (±4.90 V at ±5 V supply), and low THD+N (0.00025%) - making it suitable for precision DC-coupled instrumentation and low-distortion AC signal paths without external clamping or level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Offset Voltage | 0.4 mV max (B grade, 25°C) - enables sub-millivolt DC accuracy in shunt-based current sensing. |
| Input Bias Current | 5 pA typical - preserves signal integrity in >1 GΩ source impedances (e.g., photodiodes, piezoelectric sensors). |
| Voltage Noise Density | 7.30 nV/√Hz at 1 kHz - supports low-noise amplification of weak analog signals without significant SNR degradation. |
| Slew Rate | 21 V/µs (rising, ±5 V supply) - allows faithful reproduction of fast transients in multipole filter stages and pulse amplifiers. |
| Supply Range | ±5 V to ±15 V - accommodates both low-power portable instrumentation and industrial ±12 V systems. |
| CMRR | 110 dB typical (25°C) - rejects common-mode interference in differential sensor interfaces and bridge measurements. |
| THD + N | 0.00025% at 1 kHz - meets high-fidelity audio and precision DAC buffer requirements. |
Pinout & Package
ADA4610-1ARZ-R7 is housed in an 8-lead SOIC package (R suffix), RoHS-compliant, with standard JEDEC MS-012AC footprint (5.0 mm × 6.2 mm, 1.27 mm pitch). Thermal resistance θJA = 120°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 8 | NIC | Not internally connected - left unconnected on PCB; no routing or grounding required. |
| 2 | −IN | Inverting input - accepts feedback network for closed-loop gain configuration. |
| 3 | +IN | Noninverting input - connects to high-impedance sensor or reference node. |
| 4 | V− | Negative supply rail - must be decoupled locally with 0.1 µF ceramic capacitor. |
| 6 | OUT | Amplified output - drives loads ≥2 kΩ directly; stable with ≥100 pF capacitive load. |
| 7 | V+ | Positive supply rail - requires local 0.1 µF ceramic decoupling adjacent to pin. |
Key Features
| Feature | Design Value |
|---|---|
| No phase reversal | Input voltages may exceed supply rails by up to 0.3 V without output polarity inversion - eliminates need for external clamping diodes in overvoltage-prone sensor interfaces. |
| Rail-to-rail output | Swings within 100 mV of each rail (e.g., −4.90 V to +4.90 V @ ±5 V) - maximizes dynamic range in single-supply derived bipolar systems. |
| Low long-term drift | 5 µV typical drift over 10,000 hours - ensures calibration stability in sealed medical devices and automated test equipment. |
| Stable with capacitive loads | Maintains 61° phase margin driving ≥100 pF - simplifies anti-aliasing filter integration without isolation resistors. |
| High input impedance | >10¹³ Ω differential input resistance - prevents loading of high-Z sources like pH electrodes and MEMS sensors. |
Applications
| Photodiode Amplifier | Precision Current Measurement |
|---|---|
|
Use Scenario: Converting nanoamp-level photocurrent from a reverse-biased silicon photodiode into a measurable voltage signal. IC Role / Device Role / Timing Role: Transimpedance amplifier with virtual-ground input and low-noise, low-bias-current JFET stage. Use Value: 5 pA typical input bias current minimizes dark-current error; 0.45 µVp-p (0.1–10 Hz) noise preserves signal fidelity in low-light detection. |
Use Scenario: Measuring load current via voltage drop across a 100 mΩ shunt resistor in a battery management system. IC Role / Device Role / Timing Role: High-side or low-side current-sense amplifier with precision DC gain and rail-to-rail output. Use Value: 0.4 mV max offset ensures ≤4 µA error at 100 mΩ; CMRR >110 dB rejects common-mode noise from switching regulators. |
| Medical Instrumentation | Audio Signal Conditioning |
|
Use Scenario: Front-end amplification of ECG electrode signals with high common-mode rejection and minimal DC drift. IC Role / Device Role / Timing Role: First-stage instrumentation-grade amplifier in a 3-op-amp topology with guarded inputs. Use Value: 2 µV/°C max offset drift (B grade) maintains baseline stability across patient temperature variations; 115 dB CMRR suppresses 50/60 Hz mains interference. |
Use Scenario: Low-distortion preamplifier and active filter stage in studio microphone interface circuitry. IC Role / Device Role / Timing Role: Unity-gain stable voltage follower and 2nd-order Sallen-Key filter driver. Use Value: 0.00025% THD+N at 1 kHz ensures transparent audio reproduction; rail-to-rail output fully utilizes ±5 V ADC input range. |
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 |
|---|---|---|---|
| AD8610ARMZ-R7 | Higher offset drift (10 µV/°C max), lower slew rate (12 V/µs), same SOIC-8 package. | Better PSRR (130 dB) but less suitable for wide-temperature medical use due to higher drift. | Prefer AD8610ARMZ-R7 when power supply noise immunity outweighs thermal stability requirements. |
| ADA4625-1ARDZ-R7 | Lower noise (5.2 nV/√Hz), faster slew rate (27 V/µs), but higher supply current (2.2 mA vs. 1.7 mA). | Optimized for high-speed precision data acquisition; not qualified for extended −40°C to +125°C operation. | Choose ADA4625-1ARDZ-R7 for bandwidth-critical applications where 125°C operation is unnecessary. |
Compared with AD8610ARMZ-R7 and ADA4625-1ARDZ-R7, the ADA4610-1ARZ-R7 offers the best balance of ultra-low drift, rail-to-rail output, and extended temperature qualification - making it the preferred choice for calibrated medical and industrial instrumentation requiring long-term DC accuracy.
Availability
ADA4610-1ARZ-R7 is available at Aetrix Electronics and suitable for precision current measurement, photodiode amplification, and medical instrumentation requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for ADA4610-1ARZ-R7 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 ADA4610 family targets precision DC-coupled applications demanding ultra-low input bias current, low offset drift, and rail-to-rail output - specifically engineered for sensor signal chains in medical, test & measurement, and industrial control systems.
FAQ
What is the maximum operating temperature range for the ADA4610-1ARZ-R7?
The ADA4610-1ARZ-R7 is specified over the −40°C to +125°C extended industrial temperature range. This rating is confirmed in the Absolute Maximum Ratings table and Electrical Characteristics sections of the Rev. I datasheet, and applies to all package variants including the SOIC-8 (R suffix) used in ADA4610-1ARZ-R7.
Does the ADA4610-1ARZ-R7 require external compensation for unity-gain stability?
No, the ADA4610-1ARZ-R7 is unity-gain stable as stated in the General Description and verified by 61° phase margin in Figure 23 of the datasheet. It drives 2 kΩ loads with 100 pF capacitive load without oscillation, eliminating need for external compensation networks in standard configurations.
What is the meaning of 'NIC' pins on the ADA4610-1ARZ-R7 SOIC-8 package?
Pins 1, 5, and 8 of the ADA4610-1ARZ-R7 in SOIC-8 package are labeled NIC (Not Internally Connected). These pins have no internal bond wire or circuit connection and must remain unconnected on the PCB - no grounding, routing, or termination is required or recommended.
Can the ADA4610-1ARZ-R7 be used with single-supply operation?
Yes - while optimized for dual supplies (±5 V to ±15 V), the ADA4610-1ARZ-R7 supports single-supply operation with appropriate input common-mode and output swing constraints. Its rail-to-rail output and input voltage range extending to V− allow use with V− = 0 V and V+ = 10 V, provided input signals stay within −0.3 V to +10.3 V per Absolute Maximum Ratings.
How does the ADA4610-1ARZ-R7 handle input overvoltage conditions?
The ADA4610-1ARZ-R7 includes internal clamp diodes from each input to V+ and V−. Per Table 4, input current must be limited to ≤10 mA when input voltage exceeds either rail by more than 0.3 V. Unlike older JFET op amps, it exhibits no phase reversal under such conditions - preserving signal polarity during transient overvoltage events.
ADA4610-1ARZ-R7 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:
- J-FET
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 61V/µs
- Gain Bandwidth Product:
- 16.3 MHz
- -3db Bandwidth:
- 9.5 MHz
- Current - Input Bias:
- 5 pA
- Voltage - Input Offset:
- 400 µV
- Current - Supply:
- 1.6mA
- Current - Output / Channel:
- 79 mA
- Voltage - Supply Span (Min):
- 9 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
ADA4610-1ARZ-R7 FAQ
1.How can I place an order for ADA4610-1ARZ-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADA4610-1ARZ-R7 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 ADA4610-1ARZ-R7 reliable?
The price and inventory of ADA4610-1ARZ-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4610-1ARZ-R7 is usually 5 days.
3.What payment methods are accepted for ADA4610-1ARZ-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4610-1ARZ-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADA4610-1ARZ-R7?
ADA4610-1ARZ-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADA4610-1ARZ-R7 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 ADA4610-1ARZ-R7?
For technical support, including ADA4610-1ARZ-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4610-1ARZ-R7 requirements.
6.How does Aetrix verify that ADA4610-1ARZ-R7 is sourced from the original manufacturer or authorized distributors?
All ADA4610-1ARZ-R7 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 ADA4610-1ARZ-R7 meets industry standards.
7.What is the process for return or replacement of ADA4610-1ARZ-R7?
All ADA4610-1ARZ-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADA4610-1ARZ-R7, 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 ADA4610-1ARZ-R7 part is unused and in its original packaging.
Return procedure for ADA4610-1ARZ-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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