TS419-2 datasheet(3/32 Pages) STMICROELECTRONICS

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TS419-TS421

3/32

FIXED GAIN VERSION SPECIFIC ELECTRICAL CHARACTERISTICS

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

APPLICATION COMPONENTS INFORMATION

TYPICAL APPLICATION SCHEMATICS:

Symbol

Parameter

Min.

Typ.

Max.

Unit

RIN

Input Resistance

Ω

Gain value for Gain TS419/TS421-2

Gain value for Gain TS419/TS421-4

Gain value for Gain TS419/TS421-8

6dB

12dB

18dB

Components

Functional Description

RIN

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.

CIN

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

RFEED

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.

TS419-2 bảng dữ liệu(PDF) 3 Page - STMicroelectronics