HX711 datasheet(3/9 Pages) AVIA | 24-Bit Analog-to-Digital Converter (ADC) for Weigh Scales

No. de pieza	HX711

Descripción Electrónicos	24-Bit Analog-to-Digital Converter (ADC) for Weigh Scales

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Fabricante Electrónico	AVIA [Avia Semiconductor Co., Ltd.]

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HX711

AVIA SEMICONDUCTOR

V2.0

3

KEY ELECTRICAL CHARACTERISTICS

Parameter

Notes

MIN

TYP

MAX

UNIT

Full scale differential

input range

V(inp)-V(inn)

±0.5(AVDD/GAIN)

V

Common mode input

AGND+1.2

AVDD-1.3

V

Output data rate

Internal Oscillator, RATE = 0

10

Hz

Internal Oscillator, RATE =

DVDD

80

Crystal or external clock,

RATE = 0

fclk/1,105,920

Crystal or external clock,

RATE = DVDD

fclk/138,240

Output data coding

2’s complement

800000

7FFFFF

HEX

Output settling time

(1)

RATE = 0

400

ms

RATE = DVDD

50

Input offset drift

Gain = 128

0.2

mV

Gain = 64

0.4

Input noise

Gain = 128，RATE = 0

50

nV(rms)

Gain = 128，RATE = DVDD

90

Temperature drift

Input offset（Gain = 128）

±6

nV/℃

Gain（Gain = 128）

±5

ppm/℃

Input common mode

rejection

Gain = 128，RATE = 0

100

dB

Power supply rejection

Gain = 128，RATE = 0

100

dB

Reference bypass

（VBG）

1.25

V

Crystal or external clock

frequency

1

11.0592

20

MHz

Power supply voltage

DVDD

2.6

5.5

V

AVDD，VSUP

2.6

5.5

Analog supply current

(including regulator)

Normal

1400

A

Power down

0.3

Digital supply current

Normal

100

A

Power down

0.2

（1）Settling time refers to the time from power up, reset, input channel change and gain change

to valid stable output data.

Table 2 Key Electrical Characteristics

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HX711 Datasheet(PDF) 3 Page - Avia Semiconductor Co., Ltd.

HX711 Datasheet(HTML) 3 Page - Avia Semiconductor Co., Ltd.

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