北京蓝景世纪科技开发有限责任公司（Beijing Bluechip Semiconductors Co.,Ltd.）于1999年注册成立，公司毗邻中关村广场，位于素有“中国硅谷”之称的中关村科技园区腹地，是一家专业致力于为无线通信技术应用提供基于整体解决方案和IC器件服务的**技术企业。 蓝景世纪专业面向无线通信技术应用，产品覆盖通讯、工控、网络、安全、电力、安防等领域，产品技术涉及： l 面向CPLD/FPGA/DSP/MCU/ARM的开发板卡
LM2902M 品牌 NS
LM2902 品牌 TI
产品信息特性
- 2-kV ESD Protection for:
- LM224K, LM224KA
- LM324K, LM324KA
- LM2902K, LM2902KV, LM2902KAV
- Wide Supply Ranges
- Single Supply . . . 3 V to 32 V (26 V for LM2902)
- Dual Supplies . . . ±1.5 V to ±16 V (±13 V for LM2902)
- Low Supply-Current Drain Independent of Supply Voltage . . . 0.8 mA Typ
- Common-Mode Input Voltage Range Includes Ground, Allowing Direct Sensing Near Ground
- Low Input Bias and Offset Parameters
- Input Offset Voltage . . . 3 mV Typ
A Versions . . . 2 mV Typ - Input Offset Current . . . 2 nA Typ
- Input Bias Current . . . 20 nA Typ
A Versions . . . 15 nA Typ
- Differential Input Voltage Range Equal to Maximum-Rated Supply Voltage . . . 32 V (26 V for LM2902)
- Open-Loop Differential Voltage Amplification . . . 100 V/mV Typ
- Internal Frequency Compensation
说明
These devices consist of four independent high-gain frequency-compensated operational amplifiers that are designed specifically to operate from a single supply over a wide range of voltages. Operation from split supplies also is possible if the difference between the two supplies is 3 V to 32 V (3 V to 26 V for the LM2902), and VCC is at least 1.5 V more positive than the input common-mode voltage. The low supply-current drain is independent of the magnitude of the supply voltage.
Applications include transducer amplifiers, dc amplification blocks, and all the conventional operational-amplifier circuits that now can be more easily implemented in single-supply-voltage systems. For example, the LM124 can be operated directly from the standard 5-V supply that is used in digital systems and provides the required interface electronics, without requiring additional ±15-V supplies.
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