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Product Detailed Parameters
- Description：IC COMPARATOR 2 GEN PUR 8SOIC
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：2
- Output Type：Open-Collector
- Voltage - Supply, Single/Dual (±)：2V ~ 36V, ±1V ~ 18V
- Voltage - Input Offset (Max)：3mV @ 5V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：16mA @ 5V
- Current - Quiescent (Max)：1mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The AS393AMTR-E1 is a dual precision voltage comparator manufactured by Diodes Incorporated. It operates from a single supply of 2V to 36V or split supplies of ±1.0V to ±18V. The device features a typical input offset voltage of 1.0mV and a maximum of 5.0mV, with a low supply current drain of 0.6mA. It utilizes an open-collector output configuration and is housed in an SO-8 package.
Feature Summary
- Dual independent precision comparators with low input offset voltage
- Wide operating supply voltage range for single and split power sources
- Low power consumption with supply current independent of voltage magnitude
- Open collector output compatible with various logic families
Applications
- Battery chargers
- Cordless telephones
- Switching power supplies
- DC-DC modules
- PC motherboards
Procurement Notes
Verify the specific ordering suffix E1 against the latest manufacturer documentation to confirm RoHS compliance status and lead-free specifications. Confirm that the SO-8 tape and reel packaging matches the required quantity for production integration. Ensure the component version aligns with current design recommendations.
Selection Notes
Select this component when high precision is required due to its low typical offset voltage of 1.0mV. It is suitable for applications requiring wide supply voltage flexibility. Consider the open-collector output requirement for external pull-up resistor implementation. Verify thermal performance requirements against the specified junction-to-ambient resistance values.
Part Context
This part belongs to the AS393/393A series of low-power, low-offset voltage dual comparators. The 'A' designation indicates stricter input offset voltage specifications compared to the standard AS393. The device is designed as a drop-in replacement for industry-standard 393 comparators while offering improved electrical characteristics.
Replacement Considerations
AS393AMTR-G1 is listed as an alternative variant within the same package and functional specification.
FAQ
What is the difference between the AS393 and AS393A variants?
The AS393A has more stringent input offset voltage specifications than the standard AS393.
Can the AS393AMTR-E1 operate with split power supplies?
Yes, it supports operation from split power supplies ranging from ±1.0V to ±18V.
