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Analog Devices Inc. ADA4610-4ARZ
- Part No.:
- ADA4610-4ARZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
ADA4610-4ARZ.pdf
- Description:
- IC OPAMP JFET 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,374
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Product details
Overview
ADA4610-4ARZ from Analog Devices is a precision quad JFET-input operational amplifier with rail-to-rail output, 7.30 nV/√Hz voltage noise density at 1 kHz, 0.45 µV p-p 0.1 Hz–10 Hz noise, and 5 pA typical input bias current. It operates from ±5 V to ±15 V dual supplies and delivers 15.4 MHz gain bandwidth with unity-gain stability-ideal for high-impedance photodiode amplification in medical instrumentation.
For engineers reviewing the ADA4610-4ARZ datasheet, ADA4610-4ARZ pinout, ADA4610-4ARZ application, or ADA4610-4ARZ equivalent, this page provides verified specifications, SOIC-14 package terminal mapping, real-world use cases in precision current sensing and audio signal conditioning, and two validated alternative parts with documented functional trade-offs.
Technical Context
The ADA4610-4ARZ implements a JFET-input stage enabling ultra-low input bias current (5 pA typ) and high input resistance (>10¹³ Ω), critical for sensor interfaces with source impedances >1 MΩ. Its rail-to-rail output swing (±4.90 V on ±5 V, ±14.90 V on ±15 V) and absence of phase reversal under overvoltage conditions ensure robust operation in precision analog front-ends.
It features low offset voltage drift (2 µV/°C max for B-grade variants), 0.00025% THD+N at 1 kHz, and stable closed-loop response up to 10.6 MHz (−3 dB BW, AV = 1). The device maintains fast settling and low distortion even with capacitive loads-unlike legacy JFET op amps-making it suitable for active filter stages and multipole anti-aliasing designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | ±5 V to ±15 V dual supply-supports industrial and medical systems requiring wide dynamic range and compatibility with standard ±12 V or ±15 V rails. |
| Voltage Noise Density | 7.30 nV/√Hz at 1 kHz-enables high-fidelity amplification of low-level signals without significant noise contribution in 100 Hz–100 kHz bands. |
| Input Bias Current | 5 pA typical-preserves signal integrity in high-Z sensor circuits (e.g., pH electrodes, piezoresistive bridges) where leakage would otherwise dominate error. |
| Gain Bandwidth Product | 15.4 MHz-allows stable closed-loop gains ≥100 at frequencies up to ~150 kHz, supporting fast-settling data acquisition channels. |
| THD + N | 0.00025% at 1 kHz-meets high-fidelity audio and precision measurement requirements where harmonic distortion must remain below −112 dB. |
| Rail-to-Rail Output | Swings within 100 mV of rails (e.g., ±4.90 V on ±5 V)-maximizes usable dynamic range in single-supply or limited-headroom systems without external level-shifting. |
| Operating Temperature | −40°C to +125°C-qualified for extended industrial and automotive under-hood applications where thermal stability is essential. |
Pinout & Package
ADA4610-4ARZ is supplied in a 14-lead SOIC (R suffix) package with standard JEDEC MS-012AC footprint (5.3 mm × 10.2 mm, 1.27 mm pitch). Pin 11 is V−, Pin 4 is V+, and all four amplifier sections share common supply pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Output of Channel A-drives downstream circuitry with rail-to-rail swing and 63 mA short-circuit capability. |
| 2 | −IN A | Inverting input of Channel A-accepts feedback network for inverting configurations or differential inputs. |
| 3 | +IN A | Noninverting input of Channel A-used for unity-gain buffers, instrumentation amp front-ends, or reference-sensing nodes. |
| 4 | V+ | Positive supply rail-must be decoupled locally with ≥0.1 µF ceramic capacitor to minimize PSRR degradation. |
| 5 | +IN B | Noninverting input of Channel B-enables independent signal paths or multi-channel filtering without cross-talk. |
| 6 | −IN B | Inverting input of Channel B-supports matched gain-setting resistors across all four channels for consistent performance. |
| 7 | OUT B | Output of Channel B-identical electrical specs to OUT A; allows simultaneous processing of two analog signals. |
| 8 | OUT C | Output of Channel C-provides third independent output for multi-stage signal chains (e.g., preamp + filter + driver). |
| 9 | −IN C | Inverting input of Channel C-used in cascaded integrator or transimpedance configurations with low input current error. |
| 10 | +IN C | Noninverting input of Channel C-supports common-mode rejection in differential receiver topologies. |
| 11 | V− | Negative supply rail-shared return path for all four amplifiers; requires low-impedance grounding to avoid crosstalk. |
| 12 | +IN D | Noninverting input of Channel D-enables fourth parallel channel for redundancy, averaging, or multi-sensor fusion. |
| 13 | −IN D | Inverting input of Channel D-permits identical configuration as other channels for system-level calibration consistency. |
| 14 | OUT D | Output of Channel D-completes quad functionality; supports full utilization of SOIC-14 layout without unused pins. |
Key Features
| Feature | Design Value |
|---|---|
| No phase reversal | Prevents catastrophic output inversion when input exceeds common-mode range-eliminates need for external clamping diodes in sensor interfaces. |
| Low long-term drift | 5 µV typical offset shift after 10,000 hours-ensures calibration stability in unattended monitoring equipment like patient vital sign analyzers. |
| High CMRR | 110 dB min at 25°C-rejects power supply ripple and EMI in noisy industrial environments without additional filtering. |
| Unity-gain stable | Operates reliably with gain = 1 without external compensation-reduces BOM count and PCB area in buffer and line-driver applications. |
| Low temperature hysteresis | 8 µV typical-minimizes repeatability errors during thermal cycling in portable diagnostic devices exposed to ambient temperature swings. |
Applications
| Photodiode Amplification | Precision Current Sensing |
|---|---|
Use Scenario: Converting nanoampere-level photocurrent from silicon photodiodes into measurable voltage signals in pulse oximeters and spectrophotometers. IC Role / Device Role / Timing Role: Transimpedance amplifier (TIA) front-end with ultra-low input bias current preserving signal-to-noise ratio. Use Value: 5 pA typical IB enables accurate detection of sub-100 nA currents without shunt-induced error or dark-current corruption. |
Use Scenario: Measuring load current via milliohm shunt resistors in motor control inverters and battery management systems. IC Role / Device Role / Timing Role: High-side or low-side current sense amplifier with rail-to-rail output driving ADC inputs directly. Use Value: 0.4 mV max offset (B grade) limits measurement error to <0.05% at 50 mV shunt drop, improving system accuracy. |
| Medical Instrumentation | Audio Signal Conditioning |
Use Scenario: Amplifying low-amplitude biopotential signals (ECG, EEG) in clinical-grade patient monitors. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier with JFET inputs rejecting electrode half-cell potentials. Use Value: 7.30 nV/√Hz noise density and 0.00025% THD+N preserve waveform fidelity for diagnostic interpretation. |
Use Scenario: Low-noise preamplification and tone control in studio-grade headphone amplifiers and DAC output stages. IC Role / Device Role / Timing Role: Dual-channel gain block with matched DC specs across left/right channels. Use Value: Quad architecture allows independent left/right gain control plus dedicated filter and driver stages on one IC. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision JFET operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8610ARZ | Higher input bias current (1 pA max vs. 5 pA typ), lower GBP (25 MHz), no rail-to-rail output (clips ~1.2 V from rails). | Better suited for high-speed, low-offset applications where output swing is less constrained; unsuitable for rail-limited systems. | Select AD8610ARZ only when bandwidth >20 MHz is required and supply headroom permits non-rail-to-rail swing. |
| ADA4627-1ARZ | Higher slew rate (120 V/µs vs. 21 V/µs), higher supply current (3.4 mA vs. 1.7 mA), same JFET input but optimized for high-speed precision. | Preferred for fast-settling data acquisition or active filter designs needing >100 kHz closed-loop bandwidth. | Choose ADA4627-1ARZ when transient response dominates over power efficiency and noise floor in the target application. |
Compared with AD8610ARZ and ADA4627-1ARZ, the ADA4610-4ARZ offers superior rail-to-rail output compliance and lower noise in the 0.1–10 Hz band-making it optimal for DC-coupled, low-frequency, high-impedance sensor interfaces where output swing and low-frequency stability are critical.
Availability
ADA4610-4ARZ is available at Aetrix Electronics and suitable for medical instrumentation, precision current measurement, and photodiode amplifier circuits requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for ADA4610-4ARZ 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 was engineered specifically for precision, low-noise, high-input-impedance analog signal conditioning-targeting medical diagnostics, scientific instrumentation, and industrial process control where dc accuracy and long-term stability are non-negotiable.
FAQ
What is the maximum operating temperature range for the ADA4610-4ARZ?
The ADA4610-4ARZ is specified for continuous operation from −40°C to +125°C. This extended industrial temperature range ensures reliable performance in demanding environments such as automotive engine control units, industrial PLC modules, and portable medical devices exposed to ambient thermal cycling. All key parameters-including offset voltage drift, CMRR, and output swing-are guaranteed across this full range.
Does the ADA4610-4ARZ require external compensation for unity-gain stability?
No, the ADA4610-4ARZ is internally compensated and unity-gain stable. It achieves 61° phase margin at unity gain with ±5 V supplies and maintains stability driving capacitive loads up to 100 pF without external components. This eliminates the need for compensation networks in buffer, follower, or gain-of-one configurations-reducing design complexity and board space.
How does the ADA4610-4ARZ handle input overvoltage conditions?
The ADA4610-4ARZ incorporates internal clamp diodes between each input and the supply rails, allowing safe operation with input voltages exceeding the common-mode range by up to ±0.3 V. Unlike older JFET op amps, it exhibits no phase reversal under such conditions-preventing erroneous output states in sensor interfaces where transient overvoltages may occur during power-up or fault events.
What is the typical input bias current of the ADA4610-4ARZ, and why does it matter?
The ADA4610-4ARZ has a typical input bias current of 5 pA, with a maximum of 25 pA at 25°C and 1.5 nA over the full −40°C to +125°C range. This ultra-low IB minimizes voltage error across high-value source impedances-critical in photodiode, piezoelectric, and pH electrode applications where even 100 pA could introduce >10 mV of offset error across a 100 MΩ source.
Can the ADA4610-4ARZ drive a 600 Ω load effectively?
Yes, the ADA4610-4ARZ delivers ±4.60 V output swing into a 600 Ω load with ±5 V supplies, and ±14.25 V with ±15 V supplies. Its ±63 mA short-circuit current and low output impedance (<100 Ω at DC) enable direct driving of moderate-impedance loads-such as ADC reference buffers, analog multiplexer inputs, or low-Z filter stages-without external gain boosting or isolation.
ADA4610-4ARZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- J-FET
- Number of Circuits:
- 4
- 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 (x4 Channels)
- Current - Output / Channel:
- 79 mA
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
ADA4610-4ARZ FAQ
1.How can I place an order for ADA4610-4ARZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ADA4610-4ARZ 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 ADA4610-4ARZ reliable?
The price and inventory of ADA4610-4ARZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADA4610-4ARZ is usually 5 days.
3.What payment methods are accepted for ADA4610-4ARZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADA4610-4ARZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADA4610-4ARZ?
ADA4610-4ARZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADA4610-4ARZ 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 ADA4610-4ARZ?
For technical support, including ADA4610-4ARZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADA4610-4ARZ requirements.
6.How does Aetrix verify that ADA4610-4ARZ is sourced from the original manufacturer or authorized distributors?
All ADA4610-4ARZ 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 ADA4610-4ARZ meets industry standards.
7.What is the process for return or replacement of ADA4610-4ARZ?
All ADA4610-4ARZ units undergo pre-shipment inspection (PSI). If there is an issue with ADA4610-4ARZ, 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 ADA4610-4ARZ part is unused and in its original packaging.
Return procedure for ADA4610-4ARZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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