RFFM8511SB datasheet(3/9 Pages) RFMD

Part #	RFFM8511SB

Description	4.9GHz to 5.85GHz 802.11a/n/ac WiFi Front End Module

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Manufacturer	RFMD [RF Micro Devices]

Direct Link	http://www.rfmd.com

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DRAFT

RF Micro Devices Inc.

7628 Thorndike Road, Greensboro, NC 27409-9421

DS140711

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 9

RFFM8511

PRELIMINARY

Parameter

Specification

Unit

Condition

Min

Typ

Max

Transmit (TX-ANT) High

Power Mode (continued)

T = -10°C to +70°C, VCC = 3.3V to 4.2V,

50% Duty Cycle unless otherwise noted

Large Signal Gain

25

28

dB

T = 25°C, VCC = 3.6V

23

28

dB

T = -10°C to +70°C, VCC = 3.0 to 4.2V

Gain flatness over any 80MHz BW

-0.5

0.5

dB

Gain flatness across band

-1

1

dB

Operating Current

210

250

mA

POUT = +17dBm, T = 25°C, VCC = 3.6V

240

280

mA

POUT = +19dBm, T = 25°C, VCC = 3.6V

280

mA

POUT = 21dBm, T = 25°C, VCC = 3.6V

Quiescent Current

150

mA

PA_EN Current

70

150

uA

Second Harmonic

-45

-30

dBm/MHz

POUT = +21dBm, T = 25°C, VCC = 3.6V, 6Mbps 802.11a

Third Harmonic

-45

-30

dBm/MHz

Power Detector Voltage

0.27

V

POUT = 0dBm

0.81

V

POUT = +17dBm

0.98

V

POUT = +21dBm

Variation from 0-360° load pull

-1.5

1.5

dB

3:1 VSWR

ANT-RX Isolation (TX enabled and

maximum power)

28

dB

Transmit (TX-ANT) Low

Power Mode

T= 25°C, VCC= 3.6V,50% Duty Cycle

unless otherwise noted

Output Power

10.0

dBm

T = 25°C, VCC = 3.6V

40/80MHz 802.11ac Dynamic EVM

1.5

1.8

%

-36.5

-35.0

dB

Output Power

12.0

dBm

T = 25°C, VCC = 3.6V

20MHz 802.11n Dynamic EVM

2.5

3.0

%

-32.0

-30.5

dB

40MHz 802.11n Spectral mask

Output Power

11.0

dBm

T = 25°C, VCC = 3.6V

20/80MHz 802.11ac Spectral

mask Output Power

12.0

dBm

Power Detector Voltage

0.27

V

POUT = 0dBm

0.50

V

POUT = +10dBm

0.58

V

POUT = +12dBm

80MHz 802.11ac Operating

Current

150

mA

POUT = +10dBm

20MHz 802.11n Operating Current

160

mA

POUT = +12dBm

VMODE Control Line Current

160

500

µA

Gain

24

27

dB

POUT = +10dBm, 80MHz 802.11ac

Receive (ANT-RX)-LNA On

T = +25°C, VCC = 3.0 to 4.2V, C_RX=LNA_EN=High,

PA_EN=Low, Unless otherwise noted.

Gain

10

14

16

dB

T = 25°C, VCC = 3.6V

Gain flatness over any 80MHz BW

-0.5

0.5

dB

Gain flatness across band

-1

1

dB

Noise Figure

2.5

3

dB

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