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Product Detailed Parameters
- Description：IC COMPARATOR 1 DIFF 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Bulk,Tube
- Type：Differential
- Number of Elements：1
- Output Type：Open-Collector, Open-Emitter
- Voltage - Supply, Single/Dual (±)：3.5V ~ 30V, ±1.75V ~ 15V
- Voltage - Input Offset (Max)：7.5mV @ ±15V
- Current - Input Bias (Max)：0.1µA @ ±15V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：300µA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-25°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 LP211D is a low-power differential comparator manufactured by Texas Instruments, housed in an 8-pin SOIC package. It operates on supply voltages ranging from 3.5 V to 30 V with a typical current drain of 300 µA. The device features a response time of 1.2 µs and provides an output drive capability of 25 mA via open collector and emitter outputs. Input offset voltage is specified at a maximum of 7.5 mV, while input bias current is limited to 100 nA. It supports operation across temperatures from -25°C to +85°C.
Feature Summary
- Low power consumption suitable for battery-powered applications
- Integrated strobe capability to disable the output
- Offset balancing pins for minimizing input offset voltage
- Wide common-mode input range
Applications
- Battery-powered systems requiring low quiescent current
- Threshold detection circuits where fast response is not critical
- General-purpose analog-to-digital conversion interfaces
Procurement Notes
Verify the specific ordering suffix to confirm packaging type, as the base part number applies to both tube and reel configurations. Confirm RoHS compliance status and lead finish details against the latest Package Option Addendum provided by Texas Instruments before finalizing procurement orders.
Selection Notes
Select the LP211D when reduced power consumption is prioritized over high-speed performance compared to standard LM211 devices. Ensure the application does not require response times faster than the specified 1.2 µs typical value. Verify that the single or dual supply voltage range aligns with the system's available power rails.
Part Context
The LP211D belongs to the LP211/LP311 family of low-power comparators. It serves as a lower-power alternative to the industry-standard LM211 and LM311 devices, utilizing ion-implanted resistors to achieve significantly reduced power drain while maintaining functional compatibility and pinout interchangeability.
Replacement Considerations
LP211D is functionally interchangeable with LM211D and LM311D regarding pinout and basic operation. LP311D offers similar functionality but is characterized for a commercial temperature range (0°C to 70°C) rather than the extended range of the LP211D.
