AD8627ARZ - Precision JFET Op Amp, Single Supply | Analog Devices
MPN: AD8627ARZ β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.4 | $4.40 |
| 10 | $3.96 | $39.60 |
| 100 | $3.52 | $352.00 |
| 500 | $3.17 | $1,585.00 |
| 1,000 | $2.82 | $2,820.00 |
Drop-in alternatives for AD8627ARZ β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
AD8627ARZ-REEL
β Drop-Inπ Reference alternative (not in catalog)
AD8627ARZ-REEL7
β Drop-Inπ Reference alternative (not in catalog)
MCP6H81-E/MNY
β Drop-Inπ Reference alternative (not in catalog)
MCP6H81T-E/MNY
β Drop-Inπ Reference alternative (not in catalog)
AD8627ARZ Maximum Ratings & Electrical Characteristics
| Amplifier Type | J-FET |
| Number of Circuits | 1 |
| Output Type | Rail-to-Rail |
| Slew Rate | [DATA_NEEDED: Slew Rate] |
| Gain Bandwidth Product | [DATA_NEEDED: Gain Bandwidth Product] |
| Current - Input Bias | [DATA_NEEDED: Current - Input Bias] |
| Voltage - Input Offset | [DATA_NEEDED: Voltage - Input Offset] |
| Current - Supply | 900 Β΅A (max) |
| Current - Output / Channel | [DATA_NEEDED: Current - Output / Channel] |
| Voltage - Supply Span (Min) | [DATA_NEEDED: Voltage - Supply Span (Min)] |
| Voltage - Supply Span (Max) | [DATA_NEEDED: Voltage - Supply Span (Max)] |
| Operating Temperature | [DATA_NEEDED: Operating Temperature] |
| Package / Case | 8-SOIC |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
AD8627ARZ Pin Configuration
| Pin 1 | NC β No connect |
| Pin 2 | -IN β Inverting input |
| Pin 3 | +IN β Non-inverting input |
| Pin 4 | V- β Negative supply |
| Pin 5 | NC β No connect |
| Pin 6 | OUT β Output |
| Pin 7 | V+ β Positive supply |
| Pin 8 | NC β No connect |
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
AD8627ARZ is suitable for 6 applications: Photodiode Transimpedance Amplification, ATE Reference Level Drivers, Battery Management, Portable Instrumentation, Active Filters, Sensor Signal Conditioning.
Photodiode Transimpedance Amplification
The AD8627ARZ's JFET input provides ultra-low input bias current, essential for photodiode transimpedance amplifiers where leakage current causes offset errors. Its low supply current (900 Β΅A) and rail-to-rail output enable battery-powered optical sensors. The amplifier's stability with capacitive loads up to 500 pF simplifies compensation, allowing direct connection to photodiodes with large parasitic capacitance. This makes it ideal for portable light meters, pulse oximeters, and industrial photodetectors.
Recommended
ATE Reference Level Drivers
In automatic test equipment (ATE), the AD8627ARZ drives reference levels with high accuracy and low drift. Its rail-to-rail output ensures full-scale voltage swings, while the low offset voltage and JFET input minimize errors in precision measurements. The low supply current reduces thermal effects in dense ATE boards. The amplifier's stability with capacitive loads allows direct driving of long cables and capacitive loads without oscillation, ensuring reliable test signals.
Recommended
Battery Management
The AD8627ARZ monitors battery voltage and current in battery management systems (BMS). Its low supply current (900 Β΅A) is crucial for minimizing drain on the battery being monitored. The JFET input provides high impedance, preventing loading of the sense lines. Rail-to-rail output allows the amplifier to interface directly with ADCs in the BMS controller. The wide supply range accommodates varying battery voltages, making it suitable for portable electronics and electric vehicles.
Recommended
Portable Instrumentation
In portable instruments like multimeters and data loggers, the AD8627ARZ provides precision signal conditioning with minimal power consumption. Its low supply current extends battery life, while the JFET input ensures accurate measurement of high-impedance signals. The rail-to-rail output maximizes dynamic range for ADC conversion. The small SOIC package and stability with capacitive loads make it easy to integrate into compact, battery-powered designs.
Recommended
Active Filters
The AD8627ARZ is well-suited for active filter circuits in signal conditioning chains. Its low offset voltage and drift ensure accurate filter response, while the JFET input minimizes loading on preceding stages. The rail-to-rail output allows maximum signal swing, and the low supply current is beneficial in multi-stage filters. The amplifier's stability with capacitive loads simplifies filter design, as the output can directly drive the feedback network without stability issues.
Recommended
Sensor Signal Conditioning
The AD8627ARZ conditions signals from various sensors, including temperature, pressure, and chemical sensors. Its JFET input provides high input impedance, preventing sensor loading. The low offset voltage and drift ensure accurate signal processing over temperature. The rail-to-rail output allows direct interface with ADCs, and the low supply current is ideal for battery-powered sensor nodes. The amplifier's stability with capacitive loads simplifies connection to sensors with long leads.
Recommended
Recommended Products Summary
Engineering reference data for AD8627ARZ β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD8627ARZ-REEL | AD8627ARZ-REEL7 | MCP6H81-E/MNY |
|---|---|---|---|---|
| Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Microchip Technology |
| Number of Circuits | 1 | 1 | 1 | 1 |
| Supply Current (max) | 900 Β΅A | 900 Β΅A | 900 Β΅A | [DATA_NEEDED] |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Input Type | JFET | JFET | JFET | JFET |
| Capacitive Load Stability | >500 pF | >500 pF | >500 pF | [DATA_NEEDED] |
| RoHS | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Low supply current of 900 Β΅A (vs MCP6H81-E/MNY)
- Stable with capacitive loads over 500 pF (vs MCP6H81-E/MNY)
- True single-supply operation (vs AD8628WARZ-RL)
Design Notes
The AD8627ARZ operates with a supply current of less than 900 Β΅A per amplifier. For battery-powered applications, this low quiescent current is beneficial, but ensure the power supply is well-regulated and decoupled with 0.1 Β΅F ceramic capacitors close to the V+ and V- pins to prevent instability.
For optimal performance, place the AD8627ARZ away from high-frequency digital traces and use a ground plane to minimize noise pickup. The SOIC package has exposed thermal pad? No, standard SOIC-8 does not have exposed pad, but ensure adequate copper area for heat dissipation if operating at high supply voltages.
The AD8627ARZ has no-connect pins (pins 1, 5, 8) that are not internally connected. Do not connect these pins to ground or supply, as this may cause unexpected behavior. Verify the pinout before layout to avoid shorting these pins.
Compliance Information
RoHS compliance indicated by distributor listings. Other compliance data not specified in provided sources.