ADC AD-24 Bedienungsanleitung PDF herunterladen (Seite 2)

HX711

AVIA SEMICONDUCTOR

Pin Description

SOP-16L Package

VSUP

Analog Ground

BASE

Analog Power AVDD

Ch. A Negative Input

VFB

Ch. A Positive Input

AGND

Regulator Power

VBG

Regulator Control Output

INNA

INPA

Output Data Rate Control Input

Crystal I/O and External Clock Input

DVDD

RATE

DOUT

PD_SCK

INPB

INNB

Regulator Control Input

Reference Bypass

Ch. B Negative Input

Ch. B Positive Input

Serial Data Output

Power Down and Serial Clock Input

Digital Power

Crystal I/O

Pin # Name Function Description

1 VSUP Power Regulator supply: 2.7 ~ 5.5V

2 BASE Analog Output

Regulator control output（NC when not used）

3 AVDD Power Analog supply: 2.6 ~ 5.5V

4 VFB Analog Input

Regulator control input（connect to AGND when not used）

5 AGND Ground Analog Ground

6 VBG Analog Output Reference bypass output

7 INA- Analog Input Channel A negative input

8 INA+ Analog Input Channel A positive input

9 INB- Analog Input Channel B negative input

10 INB+ Analog Input Channel B positive input

11 PD_SCK Digital Input Power down control (high active) and serial clock input

12 DOUT Digital Output Serial data output

13 XO Digital I/O

Crystal I/O (NC when not used）

14 XI Digital Input Crystal I/O or external clock input, 0: use on-chip oscillator

15 RATE Digital Input Output data rate control, 0: 10Hz; 1: 80Hz

16 DVDD Power Digital supply: 2.6 ~ 5.5V

Table 1 Pin Description

1 2 3 4 5 6 7 8 9

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