RFSA2514 Datasheet, PDF (12/13 Pages) RF Micro Devices – SERIAL CONTROLLED DIGITAL STEP ATTENUATOR 50MHz TO 4000MHz, 5-BIT, 0.5dB LSB

RFSA2514
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
EPAD
Name
GND
VDD
GND
RF1
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
RF2
GND
GND
GND
NC
PUP
CLK
LE
NC
DATA
GND
Pin Names and Descriptions
Description
Connect to Low Inductance Path to Ground
Power Supply
Connect to Low Inductance Path to Ground
RF port. External DC block required
Connect to Low Inductance Path to Ground
Connect to Low Inductance Path to Ground
Connect to Low Inductance Path to Ground
Connect to Low Inductance Path to Ground
Connect to Low Inductance Path to Ground
Connect to Low Inductance Path to Ground
Connect to Low Inductance Path to Ground
Connect to Low Inductance Path to Ground
Connect to Low Inductance Path to Ground
Connect to Low Inductance Path to Ground
RF port. External DC block required.
Connect to Low Inductance Path to Ground
Connect to Low Inductance Path to Ground
Connect to Low Inductance Path to Ground
No internal connection. EVB can be ground or no connect
Power-up Programming pin
Low = max attenuation (15.5dB) at power-up
High = min attenuation (0dB) at power-up
Serial Clock
Latch Enable
No internal connection; EVB can be ground or no connect
Serial Data
DC and RF Ground; Must be soldered to EVB ground plane over a bed of vias for thermal and RF performance.
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DS120706