ADA4610-4ARUZ - Quad Precision JFET Op Amp | Analog Devices
MPN: ADA4610-4ARUZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.14 | $12.14 |
| 10 | $10.92 | $109.20 |
| 100 | $9.71 | $971.00 |
| 500 | $8.5 | $4,250.00 |
| 1,000 | $7.29 | $7,290.00 |
Drop-in alternatives for ADA4610-4ARUZ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADA4610-4ARUZ-RL
✅ Drop-In📋 Reference alternative (not in catalog)
ADA4610-4ARUZ Maximum Ratings & Electrical Characteristics
| Number of Channels | 4 |
| Amplifier Type | J-FET |
| Output Type | Rail-to-Rail |
| Supply Voltage - Single | 9 V to 30 V |
| Supply Voltage - Dual | ±4.5 V to ±15 V |
| Input Offset Voltage (max) | 400 µV |
| Input Bias Current (typ) | 1 pA |
| Input Voltage Noise Density | 7.3 nV/√Hz at 1 kHz |
| Input Current Noise Density | 0.8 fA/√Hz |
| Gain Bandwidth Product | 16.3 MHz |
| Slew Rate | 61 V/µs |
| Operating Temperature Range | -40°C to +125°C |
| Package | 14-Lead TSSOP (RU) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
ADA4610-4ARUZ Pin Configuration
| Pin 1 | OUT A — Output of amplifier A |
| Pin 2 | -IN A — Inverting input of amplifier A |
| Pin 3 | +IN A — Non-inverting input of amplifier A |
| Pin 4 | V+ — Positive supply |
| Pin 5 | +IN B — Non-inverting input of amplifier B |
| Pin 6 | -IN B — Inverting input of amplifier B |
| Pin 7 | OUT B — Output of amplifier B |
| Pin 8 | OUT C — Output of amplifier C |
| Pin 9 | -IN C — Inverting input of amplifier C |
| Pin 10 | +IN C — Non-inverting input of amplifier C |
| Pin 11 | V- — Negative supply |
| Pin 12 | +IN D — Non-inverting input of amplifier D |
| Pin 13 | -IN D — Inverting input of amplifier D |
| Pin 14 | OUT D — Output of amplifier D |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
ADA4610-4ARUZ is suitable for 6 applications: Photodiode Amplification, Precision Data Acquisition, Medical Instrumentation, Active Filters, Current Sensing, Sensor Signal Conditioning.
Photodiode Amplification
The ADA4610-4ARUZ's ultra-low input bias current (1 pA) and low voltage noise (7.3 nV/√Hz) make it ideal for transimpedance amplifiers in photodiode systems. The high input impedance minimizes loading, and the rail-to-rail output maximizes dynamic range. In a typical circuit, the photodiode connects to the inverting input with a feedback resistor, and the JFET inputs ensure negligible current leakage, preserving accuracy in low-light detection.
Recommended
Precision Data Acquisition
In multi-channel data acquisition systems, the ADA4610-4ARUZ provides four precision amplifiers in one package, saving space and cost. Its low offset voltage (400 µV max) and low noise ensure accurate signal conditioning for sensors. The rail-to-rail output allows full-scale ADC drive, and the wide supply range accommodates various system rails. The quad configuration simplifies PCB layout for simultaneous sampling of multiple channels.
Recommended
Medical Instrumentation
The ADA4610-4ARUZ is suitable for medical devices like ECG and EEG amplifiers due to its low noise and high input impedance. The low bias current prevents electrode polarization, and the rail-to-rail output interfaces directly with ADCs. Its extended temperature range (-40°C to +125°C) ensures reliability in clinical environments. The quad package enables multi-lead monitoring in a compact form factor.
Recommended
Active Filters
With a gain bandwidth product of 16.3 MHz, the ADA4610-4ARUZ can implement active filters for audio and communication systems. The low noise and distortion preserve signal integrity, while the rail-to-rail output allows maximum signal swing. The quad configuration is ideal for multi-stage filters like Butterworth or Chebyshev designs, reducing component count and board area.
Recommended
Current Sensing
The ADA4610-4ARUZ is well-suited for precision current sensing using shunt resistors. Its low offset voltage and low bias current minimize measurement errors, and the high common-mode rejection ensures accurate readings in the presence of noise. The rail-to-rail output allows direct interface with ADCs, and the quad package enables multiple current channels in motor control or power monitoring systems.
Recommended
Sensor Signal Conditioning
The ADA4610-4ARUZ excels in conditioning signals from high-impedance sensors like pH probes, piezoelectric sensors, and accelerometers. Its low input bias current (1 pA) prevents loading, and the low noise preserves small signals. The wide supply range and rail-to-rail output make it versatile for various sensor interfaces. The quad package allows conditioning of multiple sensors in industrial IoT applications.
Recommended
Recommended Products Summary
Engineering reference data for ADA4610-4ARUZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADA4610-4ARZ | ADA4610-4ARUZ-RL | OPA4140AIDR |
|---|---|---|---|---|
| Package | 14-TSSOP | 14-SOIC | 14-TSSOP | 14-SOIC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Number of Channels | 4 | 4 | 4 | 4 |
| Input Bias Current | 1 pA (typ) | 1 pA (typ) | 1 pA (typ) | 10 pA (typ) |
| Input Offset Voltage (max) | 400 µV | 400 µV | 400 µV | 750 µV |
| Voltage Noise Density | 7.3 nV/√Hz | 7.3 nV/√Hz | 7.3 nV/√Hz | 5.5 nV/√Hz |
| Gain Bandwidth Product | 16.3 MHz | 16.3 MHz | 16.3 MHz | 11 MHz |
| Supply Voltage Range | ±4.5 V to ±15 V | ±4.5 V to ±15 V | ±4.5 V to ±15 V | ±4.5 V to ±18 V |
Key Differentiators
- Ultra-low input bias current of 1 pA (vs OPA4140AIDR)
- Lower offset voltage (400 µV max) (vs OPA4140AIDR)
- Higher gain bandwidth product (16.3 MHz) (vs OPA4140AIDR)
Design Notes
For optimal performance, place 0.1 µF ceramic capacitors close to the V+ and V- pins to decouple power supply noise. Additionally, use a 10 µF tantalum capacitor in parallel for low-frequency decoupling. Ensure the ground plane is solid and the input traces are shielded to minimize noise pickup.
Due to the extremely low input bias current (1 pA), PCB leakage currents can degrade performance. Implement a guard ring around the input pins (pins 2, 3, 5, 6, 9, 10, 12, 13) connected to a low-impedance node at the same potential as the inputs. This is critical in high-humidity environments.
Avoid exceeding the absolute maximum input voltage, which is 0.3 V beyond the supply rails. The internal protective circuitry allows this, but sustained overvoltage can cause damage. Also, ensure the output is not shorted to ground for extended periods, as this can cause thermal stress.
Compliance Information
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified.
