LM319D
Dual voltage comparator | IC COMPARATOR DUAL HS 14-SOIC
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製造商零件號 # : LM319D
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包裝/封裝: SOP-14
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零件狀態 : Active
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製造商: STMicroelectronics
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產品分類 : Comparators
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LM319D 數據表
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詳細說明
The LM319 series are precision high-speed dual comparators fabricated on a single monolithic chip. They are designed to operate over a wide range of supply voltages down to a single 5V logic supply and ground. Further, they have higher gain and lower input currents than devices like the µA710. The uncommitted collector of the output stage makes the LM319 compatible with RTL, DTL, and TTL as well as capable of driving lamps and relays at currents up to 25mA. Although designed primarily for applications requiring operation from digital logic supplies, the LM319 series are fully specified for power supplies up to ±15V. It features faster response than the LM111 at the expense of higher power dissipation. However, the high-speed, wide operating voltage range and low package count make the LM319 much more versatile than older devices like the µA711.FEATURES • Two independent comparators • Operates from a single 5V supply • Typically 80ns response time at ±15V • Minimum fanout of 3 (each side) • Maximum input current of 1µA over temperature • Inputs and outputs can be isolated from system ground • High common-mode slew rate
![](/files/uploads/product/b/a7ceac81602f4b069e2586d0a04df2d1.webp)
主要特徵
- Two independent comparators
- Operates from a single 5V supply
- Typically 80ns response time at ±15V
- Minimum fanout of 3 (each side)
- Maximum input current of 1µA over temperature
- Inputs and outputs can be isolated from system ground
- High common-mode slew rate
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Manufacturer | STMicroelectronics | Product Category ! | Linear Comparators |
Series | - | Type | General Purpose |
Packaging ! | Tube Alternate Packaging | Package-Case | Surface Mount |
Operating-Temperature | Open-Collector, Open-Emitter, TTL | Mounting-Type | 2 Elements |
Output-Type | 8mV @ ±15V | Supplier-Device-Package | 12.5mA |
Voltage-Supply-Single-Dual | - |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is LM319D?
The LM319D is a high-speed dual voltage comparator designed by Texas Instruments. It is ideal for applications requiring fast response times and low input offset voltage, such as pulse and waveform generators, precision voltage comparators, and digital-to-analog converters.
How Does LM319D Work?
The LM319D operates as a high-speed voltage comparator, comparing two input voltage signals and providing a digital output based on their relative levels. It features a fast response time and low input offset voltage, making it suitable for high-speed digital systems and precision measurement applications.
How Many Pins does LM319D have and What are the Functions of the Pinout Configuration?
The LM319D is housed in a 14-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC+: Positive power supply pin.
- VCC-: Negative power supply pin.
- IN+ (1-): Non-inverting input pin for comparator 1.
- IN- (1-): Inverting input pin for comparator 1.
- OUT (1-): Output pin for comparator 1.
- IN+ (2-): Non-inverting input pin for comparator 2.
- IN- (2-): Inverting input pin for comparator 2.
- OUT (2-): Output pin for comparator 2.
What are the Pros and Cons of LM319D?
Pros:
- High Speed: Operates at high speed for time-critical applications.
- Low Input Offset Voltage: Provides accurate comparison of input signals.
- Wide Supply Voltage Range: Allows operation from a wide range of power supply voltages.
- Temperature Stability: Features good temperature stability for consistent performance across varying thermal conditions.
Cons:
- Power Consumption: May have relatively higher power consumption compared to low-power comparators.
- Noise Sensitivity: High-speed comparators may be more sensitive to input noise and fluctuations.
Are There Any Equivalents/Alternatives to LM319D for Recommendation?
- The LM311 from Texas Instruments is a single high-speed voltage comparator similar to the LM319D.
- Alternatives to the LM319D include the LT1716 from Analog Devices and the MAX902 from Maxim Integrated.
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