PRODUCTS
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Signal modulation and demodulation circuit
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Signal generator
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Signal conditioning circuit
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Long line driver
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Interface circuit
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Accelerometer servo circuit
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Fluxgate servo circuit
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Switched reluctance servo circuit
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MCU
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AD collection
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Memory
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Frequency pressure/pressure frequency conversion
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Level shifting
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Scott-T transformer
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Clock circuit
Signal conditioning circuit
Model | name | VCC (V) | IQ/Max (mA) | characteristic | Operation temperature (℃) | Packaging form | Alternative models | Alternative methods |
*HJ31050 | Differential sensor signal conditioning circuit | 2.7-5.5 | 4 | Suitable for all types of bridge sensors, optional bridge excitation source, optional sampling rate, and optional temperature compensation mode | -55℃~125℃ | D16S2 F16-01 SOP16-01A LCC20 | ZMD31050 | In situ substitution |
*HJ1452 | High precision sensor signal conditioning circuit | 4.5~5.5 | 5 | Low power consumption, automatic calibration compensation function, single pin digital programming, fully analog signal channel, supporting voltage bridge and current bridge excitation | -55℃~175℃ | LCC16 D16S2 SOP16-01A F16-01 | MAX1452 | In situ substitution |
*HJ14520 | Silicon piezoresistive sensor conditioning circuit | 9～39 | 7 | Low power consumption, anti reverse protection, support for voltage/current excitation sensors, complete isolation between analog and digital channels, automatic calibration and compensation function | -55℃~175℃ | F14-02 | Self developed | - |
HJ417 | Precision proportional voltage instrument amplifier transmitter | 5 | 7.6 | Low noise, low offset voltage, adjustable coefficient and offset voltage, open circuit output | -55℃~125℃ | D08S2 | Self developed | - |
HJ309 | Voltage output programmable sensor regulator | 2.7～5.5 | 10 | Single or dual line digital interface, bridge sensor conditioning, sensor fault detection, over/under measurement range limitation | -55℃~125℃ | CSOP16B | PGA309 | In situ substitution |
HJ309A | Voltage output programmable sensor regulator | 2.7～5.5 | 10 | Single or dual line digital interface, bridge sensor conditioning, sensor fault detection, over/under measurement range limitation, built-in EEPROM | -55℃~125℃ | CSOP16B | PGA309 | Functional substitution |
HJU0420 | Three wire high-temperature precision 4-20mA/0-20mA current loop transmitter | 13～36 | 8 | Reverse protection, Optional output current, strong dynamic output capability, wide frequency range | -55℃~175℃ | F14-02 | Self developed | - |
HJU105A | Two wire current loop transmitter | 7～40 | 1.5 | Low power consumption, low drift, high temperature resistance, wide power supply range | -55℃~125℃ | F08-04B | XTR105 | Functional substitution |
HJU105B | Two wire current loop transmitter | 7～40 | 1.5 | Low power consumption, low drift, high temperature resistance, wide power supply range | -55℃~175℃ | F08-04B | XTR105 | Functional substitution |
HJU122A | High temperature precision single/dual power DC constant current source V/I converter | 10～20/±16 | 7 | High temperature resistance, adjustable output current, strong dynamic output capability, wide frequency range | -55℃~125℃ | F08-04B | Self developed | - |
HJU122B | High temperature precision single/dual power DC constant current source V/I converter | 5～30 | 3 | High temperature resistance, adjustable output current, strong dynamic output capability, wide frequency range | -55℃~175℃ | F08-04B | Self developed | - |
HJU122C | High temperature precision single/dual power DC constant current source V/I converter | 5～30 | 3 | High temperature resistance, adjustable output current, strong dynamic output capability, wide frequency range | -55℃~175℃ | F08-04B | Self developed | - |
HJU130A | High temperature precision single/dual power supply AC/DC constant current source | ±18 | 15 | High temperature resistance, adjustable output current, strong dynamic output capability, wide frequency range | -55℃~200℃ | BB483-08A | Self developed | - |
HJU126A | High temperature precision 4-20mA/0-20mA current loop transmitter | ±18 | 8 | High temperature resistance, Optional output current, strong dynamic output capability, wide frequency range | -55℃~200℃ | BB483-08A | Self developed | - |
HJU126B | Precision 4-20mA/0-21mA current loop transmitter | ±18 | 10 | Optional output current, strong dynamic output capability, wide frequency range | -55℃~125℃ | BB483-08A | Self developed | - |
HJPT1000A | Two wire high-temperature precision 4-20mA current loop transmitter | ±18 | 8 | The working temperature range is -55 ℃~200 ℃, suitable for long-distance transmission, and has strong anti-interference ability | F14-02 | Self developed | - | |
HJPT100B | Two-wire precision 4-20mA current loop transmitter | ±18 | 10 | Operating temperature range is -55℃ to 125℃, suitable for long-distance transmission, with strong anti-interference capability | F14-02 | Self developed | - |