TS419I 데이터 시트보기 (PDF) - STMicroelectronics

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TS419I

360mW MONO AMPLIFIER WITH STANDBY MODE

STMicroelectronics 

TS419-TS421

FIXED GAIN VERSION SPECIFIC ELECTRICAL CHARACTERISTICS

VCC from +5V to +2V, GND = 0V, Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

Min. Typ. Max. Unit

RIN

Input Resistance

Gain value for Gain TS419/TS421-2

G

Gain value for Gain TS419/TS421-4

Gain value for Gain TS419/TS421-8

20

kΩ

6dB

12dB

dB

18dB

APPLICATION COMPONENTS INFORMATION

Components

Functional Description

RIN

CIN

RFEED

CS

CB

Inverting input resistor which sets the closed loop gain in conjunction with RFEED. This resistor also

forms a high pass filter with CIN (fcl = 1 / (2 x Pi x RIN x CIN)). Not needed in fixed gain versions.

Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminal

Feedback resistor which sets the closed loop gain in conjunction with RIN.

AV= Closed Loop Gain= 2xRFEED/RIN. Not needed in fixed gain versions.

Supply Bypass capacitor which provides power supply filtering.

Bypass capacitor which provides half supply filtering.

TYPICAL APPLICATION SCHEMATICS:

3/32

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