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RF5840

DS120516

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.

*The SP3T Switch can be placed in simultaneous receive WiFi Bluetooth modes with increased insertion loss.

Pin Names and Description

Pin

Name

Description

1

C_TX

Control pin for Tx to ANT.

2ANT

Antenna port. Internally matched to 50

. External DC block required.

3VDD

Switch supply voltage. It is recommended to use a low frequency bypass capacitor to filter out noise.

4C_RX

Control pin for ANT to Rx.

5C_BT

Control pin for ANT to BT.

6BT

Bluetooth port. Internally matched to 50

. External DC block required.

7GND

Ground connection. Ground as close as possible to the package pin.

8RX_OUT

Receiver output port. Internally matched to 50

. External DC block.

9GND

Ground connection. Ground as close as possible to the package pin.

10

TX_IN

Transmit input port. Internally matched to 50

. External DC block required.

Switch Control Logic

Mode

C_TX

C_RX

C_BT

VDD

Comments

Tx-ANT

H

L

L

H

Tx Port to ANT Port

Rx-ANT

LHLH

Rx Port to ANT Port

BT-ANT

L

L

H

H

BT Port to ANT Port

Rx/BT-ANT*

L

H

H

H

Simultaneous Rx and BT to ANT Port

Off

L

L

L

L

Off Mode