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TRF1121
TRF1221
SLWS170B – APRIL 2005 – REVISED JANUARY 2008
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)
VALUE
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UNIT
V CC
I CC
P in
T J
P diss
R θ JC
T stg
T op
DC supply voltage
DC supply current
RF input power
Junction temperature
Power dissipation
Digital input voltage
Analog input voltage
Thermal resistance, junction-to-ambient (1)
Storage temperature
Operating temperature
Lead temperature, 40 seconds maximum
0 to 5.5
270
20
150
1.5
–0.3 to V CC + 0.3
V CC
25
–40 to 105
–40 to 85
260
V
mA
dBm
° C
W
V
V
° C/W
° C
° C
° C
(1)
Thermal resistance is junction-to-ambient assuming thermal pad with nine thermal vias under package metal base. See the
recommended PCB layout.
ELECTRICAL CHARACTERISTICS
The characteristics listed in the following tables are at V CC = 5 V, T A = 25 ° C (unless otherwise noted)
DC CHARACTERISTICS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V CC
I CC_TxON
I CC_TxOFF
DC supply voltage
Supply current
T A = 25 ° C
T A = 25 ° C, TXON enabled
T A = 25 ° C, TXON disabled
4.8
180
130
5.2
V
mA
UPCONVERTER CHARACTERISTICS
Input signal 500 mVpp, V CC = 5 V, 25 ° C, IF1 = 26 MHz, IF2 = 325 MHz unless otherwise stated
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
f IF1
f IF2
V BB
Z IF1
Input center frequency
Output frequency range
Input signal level
Input IF1 differential impedance
See Figure 3
Peak-to-peak differential
270
26
400
500 1000
2
MHz
MHz
mV
k ?
Measured at IF2 (IF2OP, IF2ON) with 500-mVpp
P out
Output power (maximum gain)
differential input to IF1(BBIP, BBIN) and GAIN[4:0] =
0
dBm
11111
Measured at IF2 (IF2OP, IF2ON) with 500-mVpp
Output power (minimum gain)
differential input to IF1(BBIP, BBIN), GAIN[4:0] =
–32
dBm
00000
Δ G max
Gain flatness
300 MHz < IF2 < 330 MHz
±0.3
dB
Δ P STEP
Gain step size
0.7
1
1.3
dB
OP1dB
OIP3
IR
P LO1
NF
Z IF2
Output power a 1-dB gain
compression
Output third order intercept
Image rejection
LO1 leakage
Input noise figure
Output RF impedance
GAIN[4:0] = 11111
For any gain setting
IF1 = 15 to 45 MHz
At GAIN[4:0] = 11111 decreases dB for dB as gain
state is changed
At max gain (GAIN[4:0] = 11111), no worse than 1-dB
degradation per 1 dB of attenuation
Differential
12
24
–36
27
100
–30
dBm
dBm
dBc
dBm
dB
?
4
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