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LM231的基本参数
  • 制造厂商:TI
  • 产品类别:放大器
  • 技术类目:特殊功能放大器 - 变频器
  • 功能描述:具有 1Hz 至 100KHz 满量程频率的精密压频转换器(宽工作温度)
  • 点击这里打开及下载LM231的技术文档资料
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LM231的产品详情:

The LMx31 family of voltage-to-frequency converters are ideally suited for use in simple low-cost circuits for analog-to-digital conversion, precision frequency-to-voltage conversion, long-term integration, linear frequency modulation or demodulation, and many other functions. The output when used as a voltage-to-frequency converter is a pulse train at a frequency precisely proportional to the applied input voltage. Thus, it provides all the inherent advantages of the voltage-to-frequency conversion techniques, and is easy to apply in all standard voltage-to-frequency converter applications.

Further, the LMx31A attain a new high level of accuracy versus temperature which could only be attained with expensive voltage-to-frequency modules. Additionally the LMx31 are ideally suited for use in digital systems at low power supply voltages and can provide low-cost analog-to-digital conversion in microprocessor-controlled systems. And, the frequency from a battery-powered voltage-to-frequency converter can be easily channeled through a simple photo isolator to provide isolation against high common-mode levels.

The LMx31 uses a new temperature-compensated band-gap reference circuit, to provide excellent accuracy over the full operating temperature range, at power supplies as low as 4 V. The precision timer circuit has low bias currents without degrading the quick response necessary for 100-kHz voltage-to-frequency conversion. And the output are capable of driving 3 TTL loads, or a high-voltage output up to 40 V, yet is short-circuit-proof against VCC.

LM231的优势和特性:
  • Ensured Linearity 0.01% Maximum
  • Improved Performance in Existing Voltage-to- Frequency Conversion Applications
  • Split or Single-Supply Operation
  • Operates on Single 5-V Supply
  • Pulse Output Compatible With All Logic Forms
  • Excellent Temperature Stability: ±50 ppm/°C Maximum
  • Low Power Consumption: 15 mW Typical at 5 V
  • Wide Dynamic Range, 100 dB Minimum at 10-kHz Full Scale Frequency
  • Wide Range of Full Scale Frequency: 1 Hz to 100 kHz
  • Low-Cost
LM231的参数(英文):
  • Vs (Min) (V)
  • 4
  • Vs (Max) (V)
  • 40
  • Product type
  • Voltage-to-frequency, Frequency-to-voltage
  • Operating temperature range (C)
  • -25 to 85
  • Rating
  • Catalog
LM231具体的完整产品型号参数及价格(美元):

LM231的完整型号有:LM231AN/NOPB、LM231N/NOPB,以下是这些产品的关键参数及官网采购报价:

LM231AN/NOPB,工作温度:-25 to 85,封装:PDIP (P)-8,包装数量MPQ:40个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网LM231AN/NOPB的批量USD价格:4.452(1000+)

LM231N/NOPB,工作温度:-25 to 85,封装:PDIP (P)-8,包装数量MPQ:40个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网LM231N/NOPB的批量USD价格:2.625(1000+)

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LM231的评估套件:

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