RF2498PCBA-41X View Datasheet(PDF) - RF Micro Devices
Part Name
Description
MFG CO.
'RF2498PCBA-41X' PDF : 22 Pages View PDF
RF2498
Evaluation Board Current Measurement
BAND IF
SEL SEL
CDMA Cellular-
High IIP3 LNA Mode*
LNA On, Mixer Preamp On,
TX Buffer Off, /2 Off
0
1
LNA On, Mixer Preamp Off,
TX Buffer Off, /2 Off
0
1
LNA Bypassed, Mixer Preamp On,
TX Buffer Off, /2 Off
0
1
LNA Bypassed, Mixer Preamp Off,
TX Buffer Off, /2 Off
0
1
ENABLE
1
1
1
1
LNA
GAIN
1
1
0
0
MIX
GAIN
1
0
1
0
IP TX BUFF
/2
IDC
SET ENABLE SELECT (mA)
1
0
1
0
X
0
X
0
1
27.0
1
22.0
1
20.5
1
15.5
FM/JCDMA -
Low Current LNA Mode
LNA On, Mixer Preamp On,
TX Buffer Off, /2 Off
LNA On, Mixer Preamp Off,
TX Buffer Off, /2 Off
LNA Bypassed, Mixer Preamp On,
TX Buffer Off, /2 Off
LNA Bypassed, Mixer Preamp Off,
TX Buffer Off, /2 Off
0
0
1
0
0
1
0
0
1
0
0
1
1
1
0
0
1
0
0
0
0
1
X
0
0
0
X
0
1
25.0
1
20.0
1
20.5
1
15.5
CDMA PCS -
High IIP3 LNA Mode*
LNA On, Mixer Preamp On
TX Buffer Off, /2 Off*
LNA On, Mixer Preamp Off
TX Buffer Off, /2 Off*
LNA Bypassed, Mixer Preamp On
TX Buffer Off, /2 Off
LNA Bypassed, Mixer Preamp Off
TX Buffer Off, /2 Off
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
0
1
0
0
1
X
0
0
0
X
0
1
27.5
1
25.5
1
21.0
1
16.0
GPS
LNA On, Mixer On
1
0
1
X
X
0
0
X
24.0
NOTES:
All IDC current numbers include bias circuitry current of 1.5mA to 2.0mA (dependent on mode).
TX Buffer On: Add 2mA to total current.
/2 Select On: Add 2mA to total current.
“X” denotes setting does not impact current.
*For Paging mode set IPSET=0. Total current reduced 2mA.
Rev A3 DS030711
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
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