RF2968 Просмотр технического описания (PDF) - RF Micro Devices

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RF2968

BLUETOOTH™ TRANSCEIVER

RF Micro Devices 

Preliminary

RF2968

Pin Function Description

Interface Schematic

29 RESNTR+ See pin 28.

30

VREG

Voltage Regulator Output (2.2V). A bypass capacitor from this pin to

VCC

ground is required. This voltage is used to bias the VCO through the

tank circuit tied to pins 28 and 29.

VREG

31

IFDGND Ground connection for the digital IF circuits.

32

VCC7

Supply voltage for the digital IF circuits.

ESD

This diode structure is used to provide electrostatic discharge protec-

VCC

tion to 3kV using the Human body model. The following pins are pro-

tected: 6-7, 9-17, 20-27, 30-32.

Die

Flag

GND

Ground connection for all circuits other than those grounded through

dedicated pins. The die flag must be connected to the ground plane

with very low inductance for best performance.

11

Rev A13 010912

11-123

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