Signal conditioning circuit
Model number | Name | VCC (V) | Features | Operating temperature (℃) | Package type | Alternative model | Alternative method |
*HJ31050 | Differential Sensor Signal Conditioning Circuit | 2.7-5.5 | Suitable for all types of bridge sensors, with optional bridge excitation sources, selectable sampling rates, and configurable temperature compensation modes. | -55℃~125℃ | D16S2, F16-01, SOP16-01A, LCC20 | ZMD31050 | In-situ substitution |
*HJ1452 | High-Precision Sensor Signal Conditioning Circuit | 4.5~5.5 | Low power consumption, automatic calibration and compensation, single-pin digital programming, fully analog signal path, supports both voltage‑bridge and current‑bridge excitation. | -55℃~175℃ | LCC16, D16S2 SOP16-01A F16-01 | MAX1452 | In-situ substitution |
*HJ14520A/B/C | Silicon piezoresistive sensor conditioning circuit | 9–40 | Low power consumption, automatic calibration and compensation, single-pin digital programming, fully analog signal channels, and support for both voltage‑bridge and current‑bridge excitation. | -55℃~175℃ | F14-02 | In-house development | - |
HJ417 | Precision Proportional Voltage Instrumentation Amplifier Transmitter | 5 | Low noise, low offset voltage, adjustable gain and offset voltage, open‑circuit output | -55℃~125℃ | D08S2 | In-house development | - |
HJ309 | Voltage-output programmable sensor conditioner | 2.7–5.5 | Single‑wire or dual‑wire digital interface, bridge‑type sensor conditioning, sensor fault detection, over‑/under‑range limits | -55℃~125℃ | CSOP16B | PGA309 | In-situ substitution |
HJ309A | Voltage-output programmable sensor conditioner | 2.7–5.5 | Built-in EEPROM | -55℃~125℃ | CSOP16B | PGA309 | Functional substitution |
HJU0420 | Three-wire high-temperature precision 4–20 mA/0–20 mA current-loop transmitter | 13–36 | Reverse polarity protection, selectable output current, strong dynamic output capability, wide frequency range | -55℃~175℃ | F14-02 | In-house development | - |
HJU105A | Two-wire current-loop transmitter | 7–40 | Low power consumption, low drift, high-temperature tolerance, and a wide supply voltage range. | -55℃~125℃ | F08-04B | XTR105 | Functional substitution |
HJU105B | Two-wire current-loop transmitter | 7–40 | Low power consumption, low drift, high-temperature tolerance, and a wide supply voltage range. | -55℃~175℃ | F08-04B | XTR105 | Functional substitution |
HJU122A | High-Temperature Precision Single-/Dual-Supply DC Constant-Current Source V/I Converter | 10–20/±16 | High-temperature resistant, with adjustable output current, strong dynamic output capability, and a wide frequency range. | -55℃~125℃ | F08-04B | In-house development | - |
HJU122B | High-Temperature Precision Single-/Dual-Supply DC Constant-Current Source V/I Converter | 5–30 | High-temperature resistant, with adjustable output current, strong dynamic output capability, and a wide frequency range. | -55℃~175℃ | F08-04B | In-house development | - |
HJU122C | High-Temperature Precision Single-/Dual-Supply DC Constant-Current Source V/I Converter | 5–30 | High-temperature resistant, with adjustable output current, strong dynamic output capability, and a wide frequency range. | -55℃~175℃ | F08-04B | In-house development | - |
HJU126B | Precision 4–20 mA / 0–21 mA Current Loop Transmitter | ±18 | Selectable output current, strong dynamic output capability, and a wide frequency range. | -55℃~125℃ | BB483-08A | In-house development | - |
HJU128A | Precision DC Constant Current Source | 4.5–5.5 | It integrates a precision reference voltage source, an operational amplifier, and power output transistors, enabling a constant 10 mA current output. | -55℃~125℃ | DZ1313 | In-house development | - |
HJU128B | Precision DC Constant Current Source | 4.5–5.5 | It integrates a precision reference voltage source, an operational amplifier, and power output transistors, enabling a constant 10 mA current output. | -55℃~125℃ | DZ2212 | In-house development | - |
HJU129 | Precision DC Constant Current Source | 4.5–5.5 | It integrates a precision reference voltage source, an operational amplifier, and power output transistors, offering adjustable output current and overcurrent shutdown. | -55℃~125℃ | DZ1313B | In-house development | - |
HJU130A | High-Temperature Precision Single-/Dual-Output Power Supply with Constant Current for AC and DC Applications | ±18 | High-temperature resistant, with adjustable output current, strong dynamic output capability, and a wide frequency range. | -55℃~200℃ | BB483-08A | In-house development | - |
HJPT1000A | Two-wire, high-temperature, precision 4–20 mA current-loop transmitter | ±18 | Operating temperature range: -55°C to 200°C; suitable for long‑distance transmission; strong anti‑interference capability. | -55℃~200℃ | F14-02 | In-house development | - |
HJPT1000B | Two-wire precision 4–20 mA current-loop transmitter | ±18 | Operating temperature range: -55°C to 125°C; suitable for long‑distance transmission; strong anti‑interference capability. | -55℃~125℃ | F14-02 | In-house development | - |
HJ134 | High-Temperature Precision 3.3V Voltage Regulator / Precision DC Constant Current Source | 10~600 | It can function both as a voltage regulator and as a constant-current source, offering adjustable output current, a wide input voltage range of 10 to 600 V, fast transient response, low quiescent current, and strong dynamic output capability. | -55℃~200℃ | CSOP08B, B-3D | LM134 | Functional substitution |
HJU2122 | Dual-channel precision DC constant-current source | 10~32 | It boasts advantages such as adjustable output current, dynamic output capability, and a wide frequency range. | -55℃~200℃ | F08-04B | In-house development | - |
HJU111 | Three-wire 4–20 mA current-loop transmitter | 8~36 | Linearly convert the input analog voltage to a 4–20 mA signal for long-distance transmission. | -55℃~105℃ | DZS2010-1 | In-house development | - |
HJU116 | Two-wire 4–20 mA current-loop transmitter | 15~36 | Linearly convert the input analog voltage to a 4–20 mA signal for long-distance transmission. | -55℃~105℃ | DZS2010-2 | In-house development | - |
HJU135 | Single-channel 4–20 mA I–V conversion circuit | 3.1~5.5 | Converts a 4–20 mA signal for long-distance transmission into an analog voltage output of 0.6 to 3.0 V. | -55℃~125℃ | DZS1210 | In-house development | - |
HJU2135 | Dual-channel 4–20 mA I–V conversion circuit | 3.1~5.5 | Converts a 4–20 mA signal for long-distance transmission into an analog voltage output of 0.6 to 3.0 V. | -55℃~125℃ | DZS1212 | In-house development | - |
Request for Samples / Product Manuals / Contact Information:
Mr. Jia:13022932841(WeChat)
Landline:029-89259995Transfer 833
Technical Support / Contact Information:
Mr. Zhao:13572473285
Landline:029-89259995Transfer to 803
Ms. Xu:18729396827
Company landline:029-89259995
Fax: 029-89259996
Unit 4, Building 6, Beihang Science and Technology Park, Hangtian Middle Road, Aerospace Base, Chang’an District, Xi’an, Shaanxi Province
