Cirrus-logic AN31 Manual do Utilizador descarregar pdf (Página 8)

18.7k

0.015

18.7k

VA+

VREF+

VREF-

AIN+

CS5509

16 bits

AIN-

SCLK

SDATA

CONV

CAL

10k

350350

350

LT1013

BP/UP

DRDY

0.1

X 166

100k

TP0610L

100k

2N7000

100 pF

0.047

System

Microcontroller

100

XIN

162 kHz

OSC

VD+

0.1

3 mV/V

0.1

226

GND

500

Optional

Gain

Trim

1 Conversion = 20 msec

Q1, Q2 Siliconix

Figure 7. CS5509 Switched-Bridge Low-power Digitizer with +5 Volt Excitation.

Bridge Transducer Digitizer Circuits

8 AN31REV3

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 27 28

Application Note 1
2 AN31REV3 2
2 1 3
Resistor 4
Q1, Q2 Siliconix 6
AN31REV3 7 7
10 AN31REV3 10
AN31REV3 11 11
12 AN31REV3 12
AN31REV3 13 13
14 AN31REV3 14
AN31REV3 15 15
16 AN31REV3 16
AN31REV3 17 17
18 AN31REV3 18
AN31REV3 19 19
16 or 20 bits 20
AN31REV3 21 21
AN31REV3 23 23
24 AN31REV3 24
AN31REV3 25 25
26 AN31REV3 26
AN31REV3 27 27
• Notes • 28

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Cirrus-logic AN31 Manual do Utilizador Página 8

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