RF Micro Devices Inc.

7628 Thorndike Road, Greensboro, NC 27409-9421

DS140226

For sales or technical support, contact RFMD at +1.336.678.5570 or customerservice@rfmd.com.

The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of

third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended

application circuitry and specifications at any time without prior notice.

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RFFM4501F

PRELIMINARY

Parameter

Specification

Unit

Condition

Min

Typ

Max

Receive (ANT-RX) LNA On Mode

PA_EN = Low, LNA_EN = High; CRX = High,

T = +25ºC; Unless otherwise noted

Gain

12

dB

Noise Figure

2.5

dB

Rx Port Return Loss

10

dB

ANT Port Return Loss

10

dB

-13

-10

dBm

Input IP3

-3

0

dBm

Receive (ANT-RX) LNA Bypass

Mode

PA_EN = Low, LNA_EN = Low, CRX = High,

T = +25ºC; Unless otherwise noted

Bypass Loss

8

dB

RX Port Return Loss

7

dB

ANT Port Return Loss

6

dB

5

10

dBm

Input IP3

15

20

dBm

Isolation ANT-TX: Rx Mode

20

dB

CRX = High, PA_EN = Low

Isolation ANT-RX: Tx Mode

25

dB

PA_EN = High, CRX = Low, LNA_EN = Low

General Specifications

CRX Control Current

0.5

1

uA

PA_EN Control Current

30

50

uA

Switching Speed

100

nS

ESD – Human Body Model

250

V

ESD – Charge Device Model

500

V

PA Turn-on Time

200

500

nS

10% to 90%

PA Stability

Unconditional into 4:1 VSWR,

No spurious above -41.25dBm/MHz

Maximum Input Power

+12

dBm

Into 50 Ohms

Ruggedness

10:1

VSWR

At typical operating conditions

Switch Control Logic Table

Operating Mode

PA_EN

LNA_EN

CRX

Standby

Low

Low

Low

802.11a/n/ac TX

High

Low

Low

802.11a/n/ac RX Gain

Low

High

High

802.11a/n/ac RX Bypass

Low

Low

High

Notes:

•

PA_EN and TX switch control are tied together internally.

•

High = 2.8 to VCC. Low = 0V to 0.2V.