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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR 8SO
- Series：-
- Mfr：Linear Technology
- Package：Bulk
- Type：General Purpose
- Number of Elements：1
- Output Type：Open-Collector
- Voltage - Supply, Single/Dual (±)：3V ~ 36V, ±1.5V ~ 18V
- Voltage - Input Offset (Max)：0.75mV @ ±15V
- Current - Input Bias (Max)：0.2µA @ ±15V
- Current - Output (Typ)：50mA @ ±15V
- Current - Quiescent (Max)：2.5mA, 4mA
- CMRR, PSRR (Typ)：115dB CMRR
- 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-SO
- Grade：-
- Qualification：-
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Overview
The LT1011AIS8 is a general-purpose voltage comparator manufactured by Analog Devices. It features a single channel with CMOS and TTL compatible outputs housed in an 8-lead SOIC package. The device operates on supply voltages ranging from 3V to 36V, drawing a typical operating current of 3.2mA. Key electrical specifications include a maximum response time of 250ns, a guaranteed input offset voltage of 0.5mV, and an input bias current of 25nA. It provides a 50mA output current capability and maintains a common mode rejection ratio of 115dB.
Feature Summary
- Pin compatible with LM111 series devices while offering significantly improved input characteristics including lower bias current and offset voltage.
- Features a floating transistor output capable of driving loads referenced to ground, negative supply, or positive supply.
- Fully specified for operation on a single 5V supply with guaranteed DC parameters and response time.
- Includes a strobe input pin that forces the output transistor to an off state.
Applications
- SAR A/D Converters
- Voltage-to-Frequency Converters
- Precision RC Oscillators
- Motor Speed Control
Procurement Notes
Verify the specific temperature grade and package suffix against the official datasheet ordering information. Confirm lead-free finish status and RoHS compliance requirements prior to procurement. Ensure the selected variant matches the required operating temperature range for the intended application environment.
Selection Notes
Select this component when high speed and precision are required in a general-purpose comparator application. Consider the LT1011AIS8 for designs needing low input offset voltage drift and high common mode rejection. Evaluate the need for strobing functionality and the flexibility of the floating output stage relative to load reference points.
Part Context
This part belongs to the LT1011 family of voltage comparators designed as upgrades to the LM111 series. The 'AI' designation indicates an industrial temperature range variant (-40°C to +85°C). The 'S8' suffix denotes the 8-lead plastic SOIC package format suitable for surface mount assembly.
Replacement Considerations
LM111H/NOPB
