RF7234 Datasheet, PDF (4/8 Pages) RF Micro Devices – 3V TD-SCDMA/W-CDMA LINEAR PA MODULE BAND 1 AND 1880MHz TO 2025MHz

RF7234
Parameter
Specification
Unit
Min.
Typ.
Max.
Condition
Electrical Specifications -
TD-SCDMA
T=+25C, V_CC=V_BAT=+3.4V, V_EN=+1.8V,
50, TD-SCDMA modulation unless otherwise
specified.
Gain
26.5
dB
HPM, P_OUT=27.5dBm
15
17.5
11¹
14.5
dB
MPM, P_OUT19.0dBm
dB
LPM, P_OUT8.0dBm
Gain Linearity
±0.2
dB
HPM, 19.0dBmP_OUT27.5dBm
ACLR - 1.6MHz Offset
-40
dBc
HPM, P_OUT=27.5dBm
-42
dBc
MPM, P_OUT=19.0dBm
-42
dBc
LPM, P_OUT=8.0dBm
ACLR - 3.2MHz Offset
-56.0
-57.5
dBc
HPM, P_OUT=27.5dBm
-60
dBc
MPM, P_OUT=19.0dBm
-63
dBc
LPM, P_OUT=8.0dBm
PAE Without DC/DC Converter
35
%
HPM, P_OUT=27.5dBm
20
%
MPM, P_OUT=19.0dBm
4.5
%
LPM, P_OUT=8.0dBm
Current Drain
425
mA
HBM, P_OUT=27.5dBm (during active timeslot)
120
mA
LPM, P_OUT=19dBm (during active timeslot)
40
mA
LPM, P_OUT=8.0dBm (during active timeslot)
Quiescent Current
85
mA
HPM, DC only
20
mA
MPM, DC only
17
mA
LPM, DC only
Enable Current
0.3
1.0
mA
Source or sink current. V_EN=1.8V.
Mode Current (I_MODE0, I_MODE1)
0.3
1.0
mA
Source or sink current. V_MODE0, V_MODE1=1.8V.
Leakage Current
Input Impedance
1.0
2.0:1
10.0
A
VSWR
DC only. V_EN=V_MODE0=V_MODE1=0.5V.
No ext. matching, P_OUT27dBm, all modes.
Harmonic, 2FO
Harmonic, 3FO
-28
dBm
P_OUT27.5dBm, HPM.
-35
dBm
P_OUT27.5dBm, HPM.
SEM Margin
Spurious Output Level
3
dB
P_OUT=27.5dBm, HPM
-70
dBc
All spurious, P_OUT27.5dBm, all conditions,
load VSWR6:1, all phase angles.
Insertion Phase Shift
-30
+30
°
Phase shift at 19dBm when switching from
HPM to MPM and MPM to LPM at 8dBm.
DC Enable Time
10
S
DC only. Time from V_EN=high to stable idle cur-
rent (90% of steady state value).
RF Rise/Fall Time
6
S
P_OUT27.5dBm, all modes. 90% of target, DC
settled prior to RF.
Coupling Factor
-19.5
dB
P_OUT27.5dBm, all modes.
Coupling Accuracy - Temp/Voltage
±0.5
dB
P_OUT27.5dBm, all modes. -25°CT85°C.
See W-CDMA condition notes.
Coupling Accuracy - VSWR
±0.5
dB
P_OUT27.5dBm, all modes, load VSWR=2:1.
EVM
1.8
%
P_OUT=27.5dBm, V_CC=3.4V
Note: ¹Excludes DC/DC converter operation. Gain may be lower when using DC/DC converter to conserve battery current.
Note: ²Unless otherwise marked , each spec is equivalent for W-CDMA or TD-SCDMA operation.
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