CXA3002N Просмотр технического описания (PDF) - Sony Semiconductor

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Компоненты Описание

производитель

CXA3002N

TX Gain Control Amplifier

Sony Semiconductor 

Design Reference Values

Single ended measurement

Item

Symbol

Input resistance

RIN

Input capacitance

CIN

Output resistance

ROUT

Output capacitance

COUT

Conditions

f = 130.38MHz, VGCTL = 1.5V

CXA3002N

(VCC = 3.6V, Ta = 25°C)

Typ. Unit

1.9

kΩ

4

pF

1.6

kΩ

5

pF

Notes on Operation

1) This IC is a wideband amplifier with wide gain control range. Separate Pin 3 (GND1) and Pin 14 (GND2) to

prevent interference between input and output. Furthermore, the decoupling capacitors between Pins 2

and 3, Pins 14 and 15 should be as close to the IC as possible.

2) This IC assumes the excellent characteristics when the differential input impedance between Pins 5 and 7

is 500Ω, and the differential output impedance between Pins 17 and 19 is 1kΩ. Refer to the Measurement

Circuit for the external element settings, etc.

3) Connect the capacitors, which are connected to Pins 12 and 13, to Pin 14 (GND2).

4) Pay attention to handling this IC because its electrostatic discharge strength is weak.

–9–

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