ATR2406_08 datasheet(3/25 Pages) ATMEL

Part #	ATR2406

Description	Low-IF 2.4-GHz ISM Transceiver

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Manufacturer	ATMEL [ATMEL Corporation]

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3

4779N–ISM–12/08

ATR2406

Table 2-1.

Pin Description

Symbol

Function

1

PU_REG

Power-up input for auxiliary regulator

2

REF_CLK

Reference frequency input

3

RSSI

Received signal strength indicator output

4

VS_IFD

Digital supply voltage

5

VS_IFA

Analog supply voltage for IF circuits

6

RX-CLOCK

RX-CLOCK, if RX mode with clock recovery is active

7

IC

Internally connected. Connect to VS if internal AUX regulator is not used

8

IREF

External resistor for band-gap reference

9

REG_CTRL

Auxiliary voltage regulator control output

10

VREG

Auxiliary voltage regulator output

11

VS_REG

Auxiliary voltage regulator supply voltage

12

REG_DEC

Decoupling pin for VCO_REG

13

VREG_VCO

VCO voltage regulator

14

VTUNE

VCO tuning voltage input

15

CP

Charge-pump output

16

VS_SYN

Synchronous supply voltage

17

VS_TRX

Transmitter receiver supply voltage

18

RX_IN2

Differential receiver input 2

19

RX_IN1

Differential receiver input 1

20

TX_OUT

TX driver amplifier output

21

RAMP_OUT

Ramp generator output for PA power ramping

22

IC

Internally connected, do not connect on PCB

23

IC

Internally connected, do not connect on PCB

24

RX_ON

RX control input

25

TX_ON

TX control input

26

nOLE

Open loop enable input

27

PU_TRX

RX/TX/PLL/VCO power-up input

28

RX_DATA

RX data output

29

TX_DATA

TX data input

30

CLOCK

3-wire-bus: Clock input

31

DATA

3-wire-bus: Data input

32

ENABLE

3-wire-bus: Enable input

Paddle

GND

Ground

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ATR2406 Datasheet(PDF) 3 Page - ATMEL Corporation

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