T7024-TRS Просмотр технического описания (PDF) - Atmel Corporation
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T7024-TRS Datasheet PDF : 18 Pages
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Electrical Characteristics
Test conditions (unless otherwise specified): VS = 3.0 V, Tamb = 25°C
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Power Amplifier(1)
Supply voltage
Supply current
Standby current
Frequency range
Pins V1_PA, V2_PA, V3_PA_OUT
VS
2.7
3.0
4.6
V
TX
PSSO20
TX
QFN20
IS_TX
IS_TX
190
mA
165
mA
RX (PA off), VRAMP ≤0.1 V
IS_RX
10
µA
Standby
IS_standby
10
µA
TX
f
2.4
2.5
GHz
Gain-control range
TX
∆Gp
60
42
dB
Power gain maximum
TX, Pin PA_IN to V3_PA_OUT
Gp
28
30
33
dB
Power gain minimum
TX, Pin PA_IN to V3_PA_OUT
Gp
-40
-17
dB
Ramping voltage maximum
TX, power gain (maximum)
Pin RAMP
VRAMP max
1.7
1.75
1.83
V
Ramping voltage minimum
TX, power gain (minimum)
Pin RAMP
VRAMP min
0.1
V
Ramping current maximum
Power-added efficiency
TX, VRAMP = 1.75 V, Pin RAMP
TX
PSSO20
TX
QFN20
IRAMP max
0.5
mA
PAE
30
35
%
PAE
35
40
%
Saturated output power
TX, input power = 0 dBm referred to
Pins V3_PA_OUT
Psat
22
23
24
dBm
Input matching(2)
TX, Pin PA_IN
Load
VSWR
<1.5:1
Output matching(2)
TX, Pins V3_PA_OUT
Load
VSWR
<1.5:1
TX, Pins V3_PA_OUT
2 fo
Harmonics at Psat = 23 dBm
TX, Pins V3_PA_OUT
3 fo
-30
dBc
-30
dBc
T/R Switch Driver (Current Programming by External Resistor from R_SWITCH to GND)
Switch-out current output
Low-noise Amplifier(3)
Standby, Pin SWITCH_OUT
RX
TX at 100 Ω
TX at 1.2 kΩ
TX at 33 kΩ
TX at ∞
IS_O_standby
IS_O_RX
IS_O_100
IS_O_1k2
IS_O_33k
IS_O_R
1
µA
1
µA
1.7
mA
7
mA
17
mA
19
mA
Supply voltage
All, Pin VS_LNA
VS
2.7
3.0
5.5
V
Supply current
RX
IS
8
9
mA
Notes:
1. Power amplifier shall be unconditionally stable, maximum duty cycle 100%, true CW operation, maximum load mismatch
and duration: load VSWR = 10:1 (all phases) 10 s, ZG = 50 Ω.
2. With external matching network, load impedance 50 Ω.
3. Low-noise amplifier shall be unconditionally stable.
4. With external matching components.
5. LNA gain can be adjusted with RX_ON voltage according to Figure 19 on page 11. Please note, that for RX_ON below
1.4 V the T/R switch driver switches to TX mode.
4 T7024
4533D–BLURF–01/04
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