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HX712 Datasheet PDF


Part Number HX712
Manufacturer AVIA Semiconductor
Title 24-Bit Analog-to-Digital Converter
Description Based on Avia Semiconductor’s patented technology, HX712 is a precision 24-bit analogto-digital converter (ADC) with on chip load-cell power suppl...
Features
• Selectable differential input or battery detection input
• On-chip low noise PGA with selectable gain of 128 and 256
• On-chip MOS power switch for turning off loadcell power supply in system power save mode
• On-chip oscillator requiring no external component with optional external crystal
• On-c...

File Size 292.23KB
Datasheet HX712 PDF File








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HX710 : Based on Avia Semiconductor’s patented technology, HX710 is a precision 24-bit analogto-digital converter (ADC) with built-in temperature sensor designed for weigh scales and industrial control applications to interface directly with a bridge sensor. The input low-noise amplifier (PGA) has a fixed gain of 128, corresponding to a full-scale differential input voltage of ±20mV, when a 5V reference voltage is connected to the VREF pin. On chip oscillator provides the system clock without any external component. On-chip power-on-reset circuitry simplifies digital interface initialization. There is no programming needed for the internal registers. All controls to the HX710 are through the pins. .

HX710A : HX710(A/B) 24 /(A/D)(HX710A) (DVDD-AVDD) 24 /(A/D)(HX710B) HX710 , 24 A/D 。, 、 、 。, 。 128, VREF 5V , ±20mV。 。HX710A ,。HX710B (DVDD-AVDD) 。 , 。MCU 2 I/O ADC ,。 。 • (HX710A) • (DVDD-AVDD)(HX710B) • , 128 • • • : , • 10Hz 40Hz • 50Hz 60Hz • : : 1.2mA, : 1µA • :2.6 ~ 5.5V • :-40 ~ +85℃ • 8 SOP-8 DIP-8 LED 10 1u 1u 0.1u LCD VDD 0.1u 200 0.1u 200 VREF AGND INN INP AVDD DVDD DOUT PD_SCK I/O I/O MCU HX710 HX710 Information contained in this document is for design reference only and not a guarantee. Avia Semiconductor reserves the right to modify it without notice. TEL: (592) 252-9530 (P. R. China) EMAIL: market@aviaic.com www.aviaic.com AVIA SEMIC.

HX710B : HX710(A/B) 24 /(A/D)(HX710A) (DVDD-AVDD) 24 /(A/D)(HX710B) HX710 , 24 A/D 。, 、 、 。, 。 128, VREF 5V , ±20mV。 。HX710A ,。HX710B (DVDD-AVDD) 。 , 。MCU 2 I/O ADC ,。 。 • (HX710A) • (DVDD-AVDD)(HX710B) • , 128 • • • : , • 10Hz 40Hz • 50Hz 60Hz • : : 1.2mA, : 1µA • :2.6 ~ 5.5V • :-40 ~ +85℃ • 8 SOP-8 DIP-8 LED 10 1u 1u 0.1u LCD VDD 0.1u 200 0.1u 200 VREF AGND INN INP AVDD DVDD DOUT PD_SCK I/O I/O MCU HX710 HX710 Information contained in this document is for design reference only and not a guarantee. Avia Semiconductor reserves the right to modify it without notice. TEL: (592) 252-9530 (P. R. China) EMAIL: market@aviaic.com www.aviaic.com AVIA SEMIC.

HX711 : Based on Avia Semiconductor’s patented technology, HX711 is a precision 24-bit analogto-digital converter (ADC) designed for weigh scales and industrial control applications to interface directly with a bridge sensor. The input multiplexer selects either Channel A or B differential input to the low-noise programmable gain amplifier (PGA). Channel A can be programmed with a gain of 128 or 64, corresponding to a full-scale differential input voltage of ±20mV or ±40mV respectively, when a 5V supply is connected to AVDD analog power supply pin. Channel B has a fixed gain of 32. Onchip power supply regulator eliminates the need for an external supply regulator to provide analog power for the ADC .




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