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参数资料
| 型号： | HMC629LP4 |
| 厂商： | HITTITE MICROWAVE CORP |
| 元件分类： | 衰减器 |
| 英文描述： | 0 MHz - 6000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 5 dB INSERTION LOSS-MAX |
| 封装： | 4 X 4 MM, PLASTIC, LEADLESS, SMT, QFN-24 |
| 文件页数： | 6/8页 |
| 文件大小： | 885K |
| 代理商： | HMC629LP4 |
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
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8 - 6
HMC629LP4 / 629LP4E
v07.0410
3 dB LSB GaAs MMIC 4-BIT
DIGITAL ATTENUATOR, DC - 6 GHz
Pin Number
Function
Description
Interface Schematic
24
P/S
See truth table, control voltage
table and timing diagram.
1
CLK
2
SERIN
3
LE
4, 15
GND
These pins and package bottom
must be connected to RF/DC ground.
5, 14
ATTIN,
ATTOUT
These pins are DC coupled and matched to 50 Ohms.
Blocking capacitors are required. Select value based
on lowest frequency of operation.
6 - 13
ACG1 - ACG6
External capacitors to ground are required. Select value for
lowest frequency of operation. Place capacitor as close to
pins as possible. See Application Circuit.
16
SEROUT
Serial input data delayed by 6 clock cycles.
17, 18
PUP2, PUP1
See truth table, control voltage
table and timing diagram.
20 - 23
D3, D2, D1, D0
19
Vdd
Supply voltage
Pin Descriptions
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