LM439 四路差动比较器
These devices consist of four independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages. Operation from dual supplies also is possible, as long as the difference between the two supplies is 2 V to 36 V, and VCC is at least 1.5 V more positive than the input common-mode voltage. Current drain is independent of the supply voltage. The outputs can be connected to other open-collector outputs to achieve wired-AND relationships.
The LMx39 and LMx39A are characterized for operation over the full military temperature range of –55°C to 125°C. The LMx39 and LMx39A are characterized for operation from –25°C to 125°C.
LM439 特性
- Wide Supply Ranges
- Single Supply: 2 V to 36 V
(Tested to 30 V for Non-V Devices and 32 V for V-Suffix Devices)
- Dual Supplies: ±1 V to ±18 V
(Tested to ±15 V for Non-V Devices and ±16 V for V-Suffix Devices)
- Low Supply-Current Drain Independent of Supply Voltage: 0.8 mA (Typ)
- Low Input Bias Current: 25 nA (Typ)
- Low Input Offset Current: 3 nA (Typ)
- Low Input Offset Voltage: 2 mV (Typ)
- Common-Mode Input Voltage Range Includes Ground
- Differential Input Voltage Range Equal to Maximum-Rated Supply Voltage: ±36 V
- Low Output Saturation Voltage
- Output Compatible With TTL, MOS, and CMOS
LM439 芯片订购指南
| 器件 |
状态 |
温度 |
价格（美元） |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| LM439D |
ACTIVE |
-25 to 85 |
0.14 | 1ku |
SOIC (D) | 14 |
50 | TUBE |
|
| LM439DR |
ACTIVE |
-25 to 85 |
0.12 | 1ku |
SOIC (D) | 14 |
2500 | LARGE T&R |
|
LM439 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| LM439D |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
LM439D |
LM439D |
| LM439DR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
LM439DR |
LM439DR |
LM439 应用技术支持与电子电路设计开发资源下载
- LM439 数据资料 dataSheet 下载.PDF
- TI 德州仪器仪Comparator 比较器产品选型与价格 . xls
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