RFFM8850PSB datasheet(3/10 Pages) RFMD

Part #	RFFM8850PSB

Description	Dualband 2.4GHz and 5.0GHz 802.11b/g/n/a/ac Wi-Fi짰 Switch LNA Front End Module

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Manufacturer	RFMD [RF Micro Devices]

Direct Link	http://www.rfmd.com

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RF Micro Devices Inc.

7628 Thorndike Road, Greensboro, NC 27409-9421

DS150107

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.

3 of 10

RFFM8850P

Parameter

Specification

Unit

Condition

Min

Typ

Max

Receive (ANT2-RX2)-LNA On

2.4GHz Band, VDD2 = 3.6V, unless otherwise noted

LNA_EN2 Control Current

50

100

µA

LNA Turn On Time

200

500

nS

Receive (ANT2-RX2)-LNA

Bypass Mode

2.4GHz Band, VDD2 = 3.6V, unless otherwise noted

Insertion Loss - Nominal

4

5

7

dB

T= 25°C, VDD2 = 3.6V

RX Port Return Loss - Nominal

10

12

20

dB

ANT Port Return Loss - Nominal

10

15

20

dB

Input P1dB

+17

+21

dBm

Bluetooth TX/RX Mode

2.4GHz Band, VDD2 = 3.6, unless otherwise noted

Input P0.1dB

+24

+28

+32

dBm

T = 25°C, VDD2 = 3.6V

Insertion Loss

0.3

0.6

1.3

dB

BT Port Return Loss

12

18

dB

ANT2 Port Return Loss

12

18

dB

Control Line Specifications

2.4GHz Band, VDD2 = 3.6, unless otherwise noted

Control Line Impedance – VTX2

40

MΩ

Control Line Impedance – LNAEN2

66

KΩ

Control Line Impedance - VBT

40

MΩ

Leakage Current – VDD2

0.2

10

µA

2G Switch Control Current-High-Each

Line

5

100

µA

2G Switch Control Current-Low-Each

Line

0.5

1

µA

Switching Speed

100

500

ns

Transmit (TX5-ANT5)

5.0GHz Band, VDD5 = 3.6V, unless otherwise noted

Insertion Loss - Nominal

0.2

0.8

1.8

dB

T = 25C°, VDD5 = 3.6V

TX5 Port Return Loss - Nominal

12

25

dB

ANT5 Port Return Loss - Nominal

12

25

dB

Input P0.1dB - Nominal

28

30

31.5

dBm

T = 25°C, VDD5 = 3.6V

Max Linear Input power (<1% EVM) -

Nominal

20

23

25

dBm

T = 25°C, VDD5 = 3.6V

Max Linear Input power (<1% EVM) -

Over VT

19

21

25

dBm

All Conditions

ANT5-RX5 Isolation

28

35

dB

TX Mode enabled and at maximum power

Receive (ANT5-RX5)-LNA On

5.0GHz Band, VDD5 = 3.6V, unless otherwise noted

Gain - Nominal

10

14

15

dB

T = 25°C, VDD5 = 3.6V

Gain

9

13

18

dB

All conditions

Gain flatness over any 80MHz BW

-0.5

+0.5

dB

Gain flatness across band

-1

+1

dB

T = 25°C, VDD5 = 3.6V

Noise Figure-Nominal

2.3

3

dB

Noise Figure

2.5

3.5

T = -40 to +85°C, VDD5 = 3.0 to 5.0V

Rx5 Port Return Loss - Nominal

8

12

dB

ANT5 Port Return Loss - Nominal

5

8

dB

Nominal Input P1dB

-7.5

-5

dBm

T= 25°C, VDD5 = 3.6V

Current Consumption

6

10

13

mA

LNA_EN5 Control Current

50

140

200

µA

LNA Turn On Time

400

600

nS

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