LM393-N
- Wide Supply
- Voltage Range: 2.0 V to 36 V
- Single or Dual Supplies: ±1.0 V to ±18 V
- Very Low Supply Current Drain (0.4 mA) — Independent of Supply Voltage
- Low Input Biasing Current: 25 nA
- Low Input Offset Current: ±5 nA
- Maximum Offset voltage: ±3 mV
- Input Common-Mode Voltage Range Includes Ground
- Differential Input Voltage Range Equal to the Power Supply Voltage
- Low Output Saturation Voltage: 250 mV at 4 mA
- Output Voltage Compatible with TTL, DTL, ECL, MOS and CMOS logic systems
- Available in the 8-Bump (12 mil) DSBGA Package
- See AN-1112 (SNVA009) for DSBGA Considerations
- Advantages
- High Precision Comparators
- Reduced VOS Drift Over Temperature
- Eliminates Need for Dual Supplies
- Allows Sensing Near Ground
- Compatible with All Forms of Logic
- Power Drain Suitable for Battery Operation
The LM193-N series consists of two independent precision voltage comparators with an offset voltage specification as low as 2.0 mV max for two comparators which were designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. These comparators also have a unique characteristic in that the input common-mode voltage range includes ground, even though operated from a single power supply voltage.
Application areas include limit comparators, simple analog to digital converters; pulse, squarewave and time delay generators; wide range VCO; MOS clock timers; multivibrators and high voltage digital logic gates. The LM193-N series was designed to directly interface with TTL and CMOS. When operated from both plus and minus power supplies, the LM19-N series will directly interface with MOS logic where their low power drain is a distinct advantage over standard comparators.
The LM393 and LM2903 parts are available in TI’s innovative thin DSBGA package with 8 (12 mil) large bumps.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | LMx93-N, LM2903-N Low-Power, Low-Offset Voltage, Dual Comparators datasheet (Rev. G) | PDF | HTML | 2018/10/22 | ||
| 應用說明 | Application Design Guidelines for LM339, LM393, TL331 Family Comparators Including the New B-versions (Rev. F) | PDF | HTML | 2024/12/12 | |||
| 電子書 | The Signal e-book: A compendium of blog posts on op amp design topics | PDF | HTML | 2017/3/28 | |||
| 應用說明 | CMOS ADC Interfaces Easily with many Microprocessors (Rev. B) | 2013/4/30 |
設計與開發
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AMP-PDK-EVM — 放大器性能開發套件評估模組
放大器性能開發套件 (PDK) 是一款評估模組 (EVM) 套件，可測試通用運算放大器 (op amp) 參數，並與大多數運算放大器和比較器相容。EVM 套件提供主板和多個插槽式子卡選項，可滿足封裝需求，使工程師能夠快速評估和驗證裝置性能。
AMP-PDK-EVM 套件支援五種最熱門的業界標準封裝，包括：
- D (SOIC-8 和 SOIC-14)
- PW (TSSOP-14)
- DGK (VSSOP-8)
- DBV (SOT23-5 和 SOT23-6)
- DCK (SC70-5 和 SC70-6)
TIDA-010040 — 警報音產生器參考設計
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| PDIP (P) | 8 | Ultra Librarian |
| SOIC (D) | 8 | Ultra Librarian |
| DSBGA (YZR) | 8 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。