DATA SHEET

SE2547A: Dual-Band 802.11a/b/g/n Wireless LAN Front-End

Preliminary Information

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

202421A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • September 25, 2012

9

2.4 GHz Power Detector Characteristics

Conditions:

VCC = 3.3 V, ENg = CTx = 3.3 V, ENa = CRx = 0 V, TA = 25

°C, as measured on Skyworks Solutions’

SE2547A-EV1 evaluation board (de-embedded to device), all unused ports terminated with 50 ohms,

unless otherwise noted.

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

FOUT

Frequency Range

-

2400

-

2500

MHz

PDR

Power detect range,

peak power

Measured at ANT0 or

ANT1

0

-

22

dBm

PDZOUT

DC Output impedance

-

-

200

-

Ω

PDZOUT

DC Output impedance

-

-

2.7

-

k

Ω

PDVP21

Output Voltage, POUT =

21dBm

-

-

0.85

-

V

PDVp15

Output Voltage, POUT =

15dBm

-

-

0.55

-

V

PDVpnoRF

Output Voltage, POUT =

No RF

-

-

0.30

-

V

LPF-3dB

Power detect low pass

filter -3dB corner

frequency

Load = high impedance

Typ: 500 k

Ω

-

1500

-

KHz

2.5GHz Pow er Detector Response into 1M

Ω Load

0.3

0.5

0.7

0.9

1.1

3

5

7

9

11

13

15

17

19

21

23

Output Pow er (dBm )

2400

2450

2500

Figure 3: SE2547A Power Detector vs. Output Power over Frequency (CW Signal)