RFSA2514 Datasheet, PDF (3/13 Pages) RF Micro Devices – SERIAL CONTROLLED DIGITAL STEP ATTENUATOR 50MHz TO 4000MHz, 5-BIT, 0.5dB LSB

RFSA2514
Parameter
Specification
Min.
Typ.
Max.
Frequency Range
50
4000
Insertion Loss
0.75
0.86
0.96
1.32
1.51
2.27
Gain Control Range
15.5
Step Accuracy
±(0.1 + 5.0% attenuation setting)
Input IP3
40
45
50
Input P0.5dB
19
21
Input Return Loss
29
17
Output Return Loss
24
15
Control Interface
5-bit, Serial
Settling Time
200
Switching Speed
200
Supply Voltage (V_DD)
Supply Current
2.8
3.0
3.3
5
Control Voltage (V_CTL)
Low, V_CTL = 0V to 0.8V
High, V_CTL = 2.0V to V_DD
Notes:
1. V_DD = 3V, V_CTL = 3V, T = 25°C
2. IIP3 measured with P_IN = +12dBm/tone, 1MHz spacing
Unit
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
dB
dB
dB
dB
bit
ns
ns
V
mA
V
V
Condition
50MHz, 0dB attenuation
500MHz, 0dB attenuation
850MHz, 0dB attenuation
2100MHz, 0dB attenuation
2700MHz, 0dB attenuation
4000MHz, 0dB attenuation
0.5dB step size
50MHz to 100MHz
100MHz to 3000MHz, Min. 45dBm 8dB Bit
50MHz to 100MHz, all states
150MHz to 2500MHz, all states
50MHz to 2700MHz, all states
2700MHz to 4000MHz, all states
50MHz to 2700MHz, all states
2700MHz to 4000MHz, all states
Serial interface
t_RISE, t_FALL (10%/90% RF)
t_ON, t_OFF (50% CTL to 10%/90% RF)
Typical performance based on 3V operation.
DS120706
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
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