HMC759LP3E_10 Datasheet, PDF (6/8 Pages) Hittite Microwave Corporation – 0.25 dB LSB BiCMOS MMIC 7-BIT DIGITAL ATTENUATOR, 10 - 300 MHz

v00.0909
HMC759LP3E
0.25 dB LSB BiCMOS MMIC 7-BIT
DIGITAL ATTENUATOR, 10 - 300 MHz
Pin Descriptions
Pin Number
Function
1
Vdd1
Description
This pin should be pulled high to
Vdd through a 39 kΩ resistor.
8
Interface Schematic
2
SERIN
3
LE
4
CLK
See Truth Table, Control Voltage Table
and Timing Diagram.
5
PUP1
6
PUP2
7
SEROUT
Serial input data delayed by 7 clock cycles.
8, 13
9 - 12
14
15
16
RF1,
RF2
This pin is DC coupled and matched to
50 Ohms. Blocking capacitors are required.
ACG0 - 3
External capacitors to ground are required. Place
these capacitors close to the package.
GND
Vdd2
N/C
This pin and package bottom must
be connected to RF/DC ground.
Supply voltage.
This pin is not connected internally; however, all data
shown herein was measured with this pin connected
to RF/DC ground externally.
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: [phone] Fax: [phone] Order On-line at www.hittite.com
Application Support: Phone: [phone] or [e-mail]
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