RF7234 Datasheet, PDF (3/8 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 -
W-CDMA
T=+25C, V_CC=V_BAT=+3.4V, V_EN=+1.8V,
50, W-CDMA modulation unless otherwise
specified.
Gain
25
26.5
dB
HPM, P_OUT=28.0dBm, W-CDMA
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28.0dBm
ACLR - 5MHz Offset
-40
dBc
HPM, P_OUT=28.0dBm
-46
dBc
MPM, P_OUT=19.0dBm
-44
dBc
LPM, P_OUT=8.0dBm
ACLR - 10MHz Offset
-55
dBc
HPM, P_OUT=28.0dBm
-60
dBc
MPM, P_OUT=19.0dBm
-64
dBc
LPM, P_OUT=8.0dBm
PAE Without DC/DC Converter
40
%
HPM, P_OUT=28.0dBm
20
%
MPM, P_OUT=19.0dBm
Current Drain
80
mA
MPM, P_OUT=16.0dBm
37
mA
LPM, P_OUT=8.0dBm
20
mA
LPM, P_OUT=0.0dBm
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)
Leakage Current
Input Impedance
0.3
1.0
2.0:1
1.0
10.0
mA
A
VSWR
Source or sink current. V_MODE0, V_MODE1=1.8V.
DC only. V_CC=V_BAT=3.7V,
V_EN=V_MODE0 =V_MODE1 =0.5V.
No ext. matching, P_OUT28dBm, all modes.
Harmonic, 2FO
-28
dBm
P_OUT  28.0 dBm
Harmonic, 3FO
Spurious Output Level
-35
dBm
P_OUT  28.0 dBm
-70
dBc
All spurious, P_OUT28dBm, 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28.0dBm, all modes. 90% of target, DC
settled prior to RF.
Coupling Factor
-19.5
dB
P_OUT28.0dBm, all modes.
Coupling Accuracy - Temp/Voltage
±0.5
dB
P_OUT28.0dBm, all modes. -30°CT85°C,
3.0VV_CC & V_BAT4.2V, referenced to 25°C,
3.4V conditions.
Coupling Accuracy - VSWR
±0.5
dB
P_OUT28dBm, all modes, load VSWR=2:1,
±0.5dB accuracy corresponds to 15dB direc-
tivity.
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.
DS100427
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
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