RFDA0066 Datasheet, PDF (2/18 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER 5MHz TO 1GHz, 12-BIT 0.5dB LSB CONTROL

RFDA0066
Absolute Maximum Ratings
Parameter
Power Supply for DSA
Power Supply for Amplifier
Power Dissipation
Max RF Input Power, Z_L=50 
Operating Temperature (T_CASE)
Storage Temperature
Junction Temperature
ESD Rating (HBM)
Moisture Sensitivity Level
Rating
+5.5V/20
+5.5V/340
1980
+16
-40 to +85
-40 to +150
+150
500 (Class 1B)
MSL3
Unit
V_DC/mA
V_DC/mA
mW
dBm
°C
°C
°C
V
Parameter
Overall
Frequency Range
Max Gain
Gain Control Range
Step Accuracy
P1dB
Output IP3
Control Interface
Settling Time
Noise Figure
Impedance
Input Return Loss
Output Return Loss
DSA Supply Voltage
DSA Supply Current
Amplifier Supply Voltage
Amplifier Supply Current
Thermal Resistance
Specification
Min.
Typ.
Max.
5
1000
44.5
63.0
±(0.1 +5% attenuation setting)
22
39
12
250
3.5
50
20
20
4.75
5.0
5.25
6
12
20
4.7
5.0
5.3
230
70
Unit
MHz
dB
dB
dB
dBm
dBm
bit
ns
dB

dB
dB
V
mA
V
mA
°C/W
Condition
T_L=25°C, Z_S=Z_L=50V_CC=8V (for AMPs) and
V_DD=5V (for DSAs), 5MHz to 250MHz applica-
tion circuit unless otherwise noted.
Attenuation=0dB
Major state error up to 250MHz
Attenuation = 0dB
P_OUT = 0dBm/tone, 1MHz spacing
SPI Interface
T_ON, T_OFF(10%/90% RF)
Attenuation = 0dB
At Maximum Gain
At Maximum Gain
Include Two DSAs and SPI Control Circuit
Test on Amplifier Bias Pin
Include Two Amplifiers
Typical RF Performance at Key Operating Frequencies
Parameter
Unit 5MHz 50MHz 100MHz
Max Small Signal Gain
dB
44.3
44.5
44.5
Output P1dB
dBm
22.2
22.4
22.5
Output IP3
dBm
38.2
39.5
39.6
Input Return Loss
dB
23
25
25
Output Return Loss
dB
24
27
28
Noise Figure¹
dB
N/A
3.5
3.5
Notes:
1. Noise Figure at 5MHz is not tested due to the limitation of test bench.
250MHz
44.0
22.4
38.5
21
24
3.5
400MHz
43.3
22.2
38.2
23
19
3.7
600MHz
42.4
22.1
36.6
23
18
3.7
900MHz
40.3
21.8
35.9
28
19
3.8
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