RFSA3513 Datasheet, PDF (13/16 Pages) RF Micro Devices – 5MHz to 6000MHz, Digital Step Attenuator

RFSA3513
Pin Names and Descriptions
Pin
Name
Description
1
VDD
Supply Voltage
2
A0
A0 External Address Pin
3
GND
Ground Pin
RF Input Pin
4
RFIN
Incident RF power must enter this pin for rated thermal performance and reliability
Do not apply DC power to this pin. Pin may be DC grounded externally and is grounded thru resistors internal
to the part.
5
GND
Ground Pin
6
GND
Ground Pin
7
GND
Ground Pin
8
GND
Ground Pin
9
RFOUT
RF Output Pin; Do not apply DC power to this pin. Pin may be DC grounded externally and is grounded thru
resistors internal to the part.
10
GND
Ground Pin
11
GND
Ground Pin
Latch Enable
12
LE
The leading edge of signal on LE causes the attenuator to change state
13
CLK
Serial Clock Input
14
SI
Serial data Input
15
A1
A1 External Address Pin
16
A2
A2 External Address Pin
Serial Addressable Mode Attenuation Word Truth Table
Attenuation Word
D2
D7
D6
D5
D4
D3
D1
D0
(LSB)
X
L
L
L
L
L
X
X
X
L
L
L
L
H
X
X
X
L
L
L
H
L
X
X
X
L
L
H
L
L
X
X
X
L
H
L
L
L
X
X
X
H
L
L
L
L
X
X
X
H
H
H
H
H
X
X
Attenuation State
0dB / Reference Insertion Loss
1dB
2dB
4dB
8dB
16dB
31dB
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
DS150205
For sales or technical support, contact RFMD at +1.336.678.5570 or [e-mail].
The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of
third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended
application circuitry and specifications at any time without prior notice.
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