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AD8538AUJZ-REEL
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Product Detailed Parameters
- Description：IC OPAMP ZERO-DRIFT 1 CIRC TSOT5
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Amplifier Type：Zero-Drift
- Number of Circuits：1
- Output Type：-
- Slew Rate：0.4V/µs
- Gain Bandwidth Product：430 kHz
- Current - Input Bias：15 pA
- Voltage - Input Offset：5 µV
- Current - Supply：150µA
- Current - Output / Channel：25 mA
- Voltage - Supply Span (Min)：2.7 V
- Voltage - Supply Span (Max)：5.5 V
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SOT-23-5 Thin, TSOT-23-5
- Supplier Device Package：TSOT-23-5
- -3db Bandwidth：-
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Overview
The AD8538AUJZ-REEL is a single-channel, low-power, precision auto-zero operational amplifier manufactured by Analog Devices. It features an extremely low input offset voltage of 13 µV maximum and an input bias current of 25 pA typical. The device operates on a single supply from 2.7 V to 5.5 V or dual supplies of ±1.35 V to ±2.5 V, consuming only 180 µA of supply current. Key dynamic parameters include a gain-bandwidth product of 430 kHz and a slew rate of 0.4 V/µs. It provides high common-mode rejection (150 dB) and power supply rejection (125 dB). The component is housed in a 5-lead TSOT-23 package and is qualified for automotive applications.
Feature Summary
- Auto-zero architecture ensures ultra-low offset voltage and drift over temperature
- Single-supply operation compatible with battery-powered systems
- High precision performance with minimal power consumption
- Qualified for automotive reliability standards
Applications
- Mobile communications
- Portable instrumentation
- Battery-powered devices
- Sensor interfaces
- Temperature measurement
Procurement Notes
Verify the specific ordering suffix REEL7 against the manufacturer's official documentation to confirm packaging details and reel specifications. Ensure the component meets RoHS compliance requirements as indicated by the Z suffix. Confirm that the automotive qualification status aligns with project needs, noting that specific automotive models may have distinct specifications compared to commercial variants.
Selection Notes
Select this component when designing circuits requiring high DC accuracy with minimal power draw. The low offset voltage and drift make it suitable for precision sensor signal conditioning. Verify that the required bandwidth and slew rate meet the application's dynamic signal requirements. Consider the TSOT-23 package size constraints during PCB layout planning.
Part Context
This part belongs to the AD8538/AD8539 family of ultra-precision amplifiers designed for low-power applications. The AD8538 is the single-channel version, while the AD8539 is the dual-channel counterpart. Both utilize auto-zero technology to maintain high precision without chopper stabilization artifacts. The series is optimized for portable and battery-operated equipment where energy efficiency and accuracy are critical.
Replacement Considerations
The AD8538ARZ serves as a pin-compatible alternative in an 8-lead SOIC package. For dual-channel requirements, the AD8539 series offers equivalent performance characteristics. Automotive-grade versions such as the AD8538WAUJZ provide controlled manufacturing for automotive environments.
FAQ
Does the AD8538AUJZ-REEL support shutdown functionality?
No, the AD8538 does not feature a shutdown pin; it operates continuously once powered.
What is the input voltage range for the AD8538?
The input voltage range extends from the negative supply rail (V-) to the positive supply rail (V+), allowing for full rail-to-rail input capability within the specified supply voltages.
