LM111-MDE - High-Speed Voltage Comparator Die | Texas Instruments
料号： LM111-MDE ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $405.7574 | $405.76 |
| 10 | $405.7574 | $4,057.57 |
| 100 | $405.7574 | $40,575.74 |
| 500 | $405.7574 | $202,878.70 |
| 1,000 | $405.7574 | $405,757.40 |
LM111-MDE 概述
A voltage comparator is an analog integrated circuit that compares two input voltages and produces a logic-level indication of their relationship. Within the semiconductor hierarchy, the LM111 belongs to the comparator family, a functional class of analog and mixed-signal ICs used between sensors, transducers, amplifiers, and digital logic. The LM111 family is associated with high-speed decision-making and compatibility with common TTL and MOS output systems, while its open-collector-style output requires an appropriate pull-up arrangement for reliable digital interfacing.
The LM111 family provides a single comparator channel and supports a broad supply-voltage range. The verified manufacturer description states that the LM111, LM211, and LM311 are single high-speed voltage comparators. Its output levels are compatible with most TTL and MOS circuits, making the device useful for threshold detection, pulse-width or timing decisions, signal conditioning, and control systems. The maximum input offset voltage of 3 mV at ±15 V defines the comparison accuracy limit, while the 6 mA maximum quiescent current provides a basis for power-supply budgeting.
The die-sale format requires special assembly consideration. No package pinout, package dimensions, or exposed thermal pad can be inferred from the verified data because LM111-MDE is sold as a die. A designer must obtain the manufacturer die documentation and assembly requirements before bonding or packaging the device. In particular, do not assume that the die's bond-pad arrangement matches the LM111 leaded-package pinout. The verified source also identifies -55°C to 125°C as the operating temperature range for LM111-MDE, but no die-specific thermal resistance or power rating is provided.
Typical uses include high-speed threshold detection, pulse and window comparisons, industrial control interfaces, analog signal conditioning, and logic-level decision circuits. Because the output is intended to interoperate with TTL and MOS systems, the external pull-up network, supply bypassing, input grounding, and output loading are critical. Compared with a finished package, the die-sale device offers sourcing and customization flexibility but requires wafer handling, die attach, wire bonding or other packaging, and application-specific qualification.
This product page combines the verified manufacturer and distributor data with practical die-level design guidance, sourcing context, and strict handling of unavailable package information. It is intended to help engineers distinguish the LM111-MDE die sale from packaged LM111 variants and to plan assembly, testing, and supply-chain risk before committing the device to a production design.
直接替换替代料： LM111-MDE ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
LT111A
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →LT1011
✅ 直接替换📋 参考替代料（不在目录中）
LT311A
✅ 直接替换📋 参考替代料（不在目录中）
LM311
✅ 直接替换📋 参考替代料（不在目录中）
LM211
✅ 直接替换📋 参考替代料（不在目录中）
LM111-MDE 最大额定值与电气特性
| Product Type | Single high-speed voltage comparator |
| Channel Count | 1 channel |
| Supply Compatibility | Includes ±15 V and 5 V supply systems |
| Output Compatibility | Compatible with most TTL and MOS circuits |
| Maximum Input Offset Voltage | 3 mV at ±15 V |
| Maximum Quiescent Current | 6 mA |
| 工作温度范围 | -55°C to 125°C |
| Device Format | Die sale |
| Manufacturer | Texas Instruments |
| Comparator Class | General-purpose comparator |
| Input Function | Differential voltage comparison |
| Output Interface | Logic-compatible output |
| Logic Families | TTL and MOS |
| RoHS 状态 | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | not_applicable |
LM111-MDE standard 引脚配置指南
LM111-MDE（standard 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： LM111-MDE.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LM111-MDE 适用于 6 应用s: High-Speed Threshold Detection, Pulse-Width and Timing Comparison, Industrial Control Signal Conditioning, Analog Sensor Limit Detection, TTL and MOS Logic Interfacing, Custom Semiconductor Packaging.
High-Speed Threshold Detection
LM111-MDE fits threshold-detection circuits where a voltage crossing must be converted into a logic-compatible decision. The Texas Instruments LM111 family is described as a single high-speed voltage comparator and supports operation from ±15 V rails or 5 V logic supplies. Its verified maximum input offset voltage is 3 mV at ±15 V, while maximum quiescent current is 6 mA. In a die-level design, the comparator is mounted in a qualified assembly and connected to carefully bypassed analog and logic rails. The engineer should characterize input-referred offset, propagation delay, output rise/fall behavior, and noise margins at the intended threshold because those values are not all available in the supplied LM111-MDE data. A suitable output pull-up and load arrangement is required for reliable TTL or MOS interfacing.
推荐
Pulse-Width and Timing Comparison
LM111-MDE can serve as the core decision element in pulse-width, delay, or timing comparison circuits when the design is implemented as a custom die assembly. The verified manufacturer description identifies the LM111 as a high-speed voltage comparator, and its 3 mV maximum offset at ±15 V provides a defined accuracy boundary for comparing a control voltage with a derived reference. The comparator is especially relevant when a designer needs a logic-compatible output rather than an analog amplifier output. Because the part is sold as a die, the timing performance of the final product depends on assembly parasitics, bonding, local bypass capacitance, output loading, and the external reference network. Bench validation should measure delay and false-trigger behavior over temperature from -55°C to 125°C.
推荐
Industrial Control Signal Conditioning
LM111-MDE is applicable to industrial control and instrumentation circuits that compare a sensor-derived signal with a configurable threshold and produce a digital control indication. The single-channel architecture is useful when one condition must be translated into a logic event for a controller, relay driver, or data-conversion input. Texas Instruments specifies compatibility with most TTL and MOS circuits, so the output can be integrated with digital logic when the pull-up and load conditions are designed correctly. The die-sale format makes LM111-MDE suitable only to organizations able to perform qualified die attach and bonding. Layout should minimize input-node capacitance, provide solid ground return paths, and separate sensitive input routing from output and supply-return currents. Production validation should cover offset behavior, supply tolerance, temperature, output state, and ESD robustness of the completed assembly.
推荐
Analog Sensor Limit Detection
LM111-MDE can be used in sensor-limit circuits where an analog signal is compared against a reference and the result is used for alarm, shutdown, or status signaling. The verified 3 mV maximum input offset voltage at ±15 V is a meaningful system parameter when the detection threshold must remain stable, while the 6 mA maximum quiescent current constrains the power budget. A practical implementation places the sensor and reference signals on low-leakage, short input routes and provides local supply bypassing. Since LM111-MDE is an unpackaged die, the manufacturer’s die requirements become part of the sensor module’s mechanical and reliability design. Final calibration must account for reference tolerance, comparator offset, temperature, input leakage, and the assembled thermal path; the supplied data does not quantify input bias current, response time, or common-mode limits.
推荐
TTL and MOS Logic Interfacing
LM111-MDE is suited to interfaces that convert an analog decision into a signal accepted by common digital logic. The verified Texas Instruments description explicitly states that LM111 output levels are compatible with most TTL and MOS circuits. In a custom assembly, the output network must be selected for the target family, including the required pull-up, load current, rise time, and voltage-level margin. The comparator’s 6 mA maximum quiescent current should be included in supply sizing, while the 3 mV maximum input offset at ±15 V affects the accuracy of the decision threshold. Place bypass capacitance close to the assembled device’s supply connections and keep the output route away from high-impedance input nodes. Validate VIH, VIL, output leakage, and timing behavior at the system level because the die-sale data does not provide a complete packaged-device output characterization.
推荐
Custom Semiconductor Packaging
LM111-MDE is directly relevant to organizations developing a custom package or hybrid assembly around the LM111 comparator die. The die format allows the device to be integrated according to a product-specific mechanical and electrical architecture rather than using a standard finished package. Texas Instruments specifies an operating temperature range of -55°C to 125°C for LM111-MDE, but the assembled product must still manage heat flow from the die through its attach material, bonds, package, and external board. The supplied data does not state die dimensions, pad locations, thermal resistance, storage conditions, or assembly yield, so these must be obtained from manufacturer documentation before committing to a process. Qualification should include electrical test, temperature cycling where appropriate, bond integrity, output compatibility, and long-term reliability testing.
推荐
推荐产品汇总
工程参考数据： LM111-MDE ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | LT111A | LT1011 | LT311A | LM311 | LM211 |
|---|---|---|---|---|---|---|
| Device Type | Single high-speed voltage comparator | Improved LM111 general-purpose comparator | General-purpose comparator described as LM111 pin compatible | Comparator in related LT111A/LT311A/LM111/LM311 family | Related LM311-family comparator | Related LM111-family comparator |
| Brand | Texas Instruments | Linear Technology | Linear Technology | Linear Technology | Texas Instruments | Texas Instruments |
| — | LM111-MDE die-sale format | Device format not established in supplied data | Device format not established in supplied data | Device format not established in supplied data | Device format not established in supplied data | Device format not established in supplied data |
| Output Compatibility | Most TTL and MOS circuits | Comparator output; exact compatibility not supplied | Comparator output; exact compatibility not supplied | Comparator output; exact compatibility not supplied | LM311-family comparator output; exact compatibility not supplied | LM111-family comparator output; exact compatibility not supplied |
关键差异点
- Die-sale sourcing format （对比 LM111)
- Wide supply compatibility （对比 LM311)
- Verified comparator accuracy limit （对比 LT111A)
- Temperature capability （对比 LM111)
设计说明
Do not treat LM111-MDE as a packaged LM111 with a standard footprint. The verified distributor data identifies the MDE version as a die sale, while the supplied data does not provide die dimensions, bond-pad locations, pad numbering, or package pin count. Obtain the manufacturer’s die documentation before layout or bonding. Estimated assembly risk is highest if a packaged LM111 pin diagram is copied onto the die footprint without verification.
Plan the assembled comparator as a high-impedance analog decision node. Route the two inputs as short, quiet traces and keep them away from output and supply-return switching paths. The verified LM111 family is designed for compatibility with most TTL and MOS circuits, but the actual logic interface still needs the correct pull-up, load, and level-margin design. Since die-level input parasitics are not specified in the supplied data, validate them in the final package and PCB.
The verified LM111-MDE operating-temperature range is -55°C to 125°C, but no die thermal resistance or power rating is provided. The final package, attach material, bond geometry, and PCB thermal path therefore determine allowable dissipation. Estimated thermal calculations cannot be completed from the supplied data because die area, junction-to-case resistance, and exposed thermal area are unavailable. Validate the assembled thermal design before claiming compliance with the temperature range.
Budget the comparator supply current before designing the analog rail. The verified maximum quiescent current is 6 mA, and the device is intended to work with systems including ±15 V operational-amplifier supplies and 5 V logic systems. The 6 mA figure is a maximum, not a guaranteed operating current, so use it as a worst-case supply-design input while separately accounting for output load, pull-up current, die-attach parasitics, and external circuitry.
合规信息
The supplied verified results do not state RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification status. AEC-Q100 is recorded as not_applicable because no automotive qualification claim is provided and the product is a general-purpose comparator die.
