ST5092ADTR datasheet(26/29 Pages) STMICROELECTRONICS

Il numero della parte	ST5092ADTR

Spiegazioni elettronici	2.7V SUPPLY 14-BIT LINEAR CODEC WITH HIGH-PERFORMANCE AUDIO FRONT-END

PDF	29 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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26 / 29 page

APPLICATIONS

Application Note for Microphone Connections

VFr+

VFr-

VLr+

VLr-

ST5090

VFr+

VFr-

VLr+

VLr-

ST5090

VFr+

VFr-

VLr+

VLr-

ST5090

D93TL078A

R must be greater than 30

Ω

For higher capacitive transducers, lower R values can be used.

DYNAMIC RECEIVERS

(32

Ω)

CERAMIC RECEIVERS

(50nF)

DYNAMIC/CERAMIC RECEIVERS

(REVERSIBLE)

Application Note for VFr and VLr Connections

POWER SUPPLIES

While pins of ST5092 device are well protected

against electrical misuse, it is recommended that

the standard CMOS practise of applying GND be-

fore any other connections are made should al-

ways be followed. In applications where the

printed circuit card may be plugged into a hot

socket with power and clocks already present, an

extra long ground pin on the connector should be

used.

To minimize noise sources, all ground connec-

tions to each device should meet at a common

point as close as possible to the GND pin in order

to prevent the interaction of ground return cur-

rents flowing through a common bus impedance.

A power supply decoupling capacitor of 0.1

µF

should be connected from this common point to

VCC as close as possible to the device pins.

ST5092

26/29

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