RFSA4033 Datasheet, PDF (15/17 Pages) RF Micro Devices – Programmable Temperature Compensating Attenuator 5MHz to 6000MHz

RFSA4033
Pin Names and Descriptions
Pin
Name
Description
1
GND
Connect to PCB ground
2
GND
Connect to PCB ground
3
RFIN
Input RF port; Do not apply DC voltage to this pin. Pin may be grounded externally.
4
GND
Connect to PCB ground
5
SLP2
Input logic bus to control the attenuation slope (MSB)
6
SLP1
Input logic bus to control the attenuation slope
7
SLP0
Input logic bus to control the attenuation slope (LSB)
8
GND
Connect to PCB ground
9
GND
Connect to PCB ground
10
RFOUT
Output RF Port; Do not apply DC voltage to this pin. Pin may be grounded externally.
11
GND
Connect to PCB ground
12
GND
Connect to PCB ground
13
VDD
Supply Voltage
14
ATTN0
Input logic bus to control the 25°C nominal attenuation value (LSB)
15
ATTN1
Input logic bus to control the 25°C nominal attenuation value
16
ATTN2
Input logic bus to control the 25°C nominal attenuation value (MSB)
Nominal Attenuation Truth Table
ATTN2
0
0
0
0
1
1
1
1
ATTN1
0
0
1
1
0
0
1
1
ATTN0
0
1
0
1
0
1
0
1
Note: Refer to nominal attenuation accuracy table.
S₂₁ ATTN Value at 25°C (dB)
3
4
5
6
7
8
9
10
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
DS150225
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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