CXA1741Q 查看數據表（PDF） - Sony Semiconductor

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CXA1741Q

IF Amplifier for Analog Cellular Communications

Sony Semiconductor 

Pin No. Symbol

11

VCC2

Pin voltage I/O

DC AC resistance

3.0 V

12 GND2 0 V

13

T1

14 RSDETPS 1.4 V

CXA1741Q

Equivalent circuit

Description

Power supply. Supplies

current to the LIM, DET,

and RSSI circuits.

Ground.

IC operation check.

Connects an RSSI detector

integrating capacitor.

11

15

T2

16 RSSIPS 1.8 V

147

14

12

IC operation check.

Connects an RSSI

integrating capacitor.

11

16

17 VREF 1.3 V

reference voltage

used in the

internal circuit

12

Monitor for the reference

33

voltage used in the internal

17 circuit.

When connected to an

external capacitor, this pin

also functions to lower the

reference voltage dynamic

impedance.

34

—5—

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