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参数资料
| 型号： | HMC542ALP4E |
| 厂商： | Hittite Microwave Corporation |
| 文件页数： | 3/8页 |
| 文件大小： | 966K |
| 描述： | ATTENUATOR DGTL 6BIT 4X4QFN |
| 标准包装： | 1 |
| 衰减值： | 0.5dB ~ 31.5dB |
| 频率范围： | 0 ~ 4GHz |
| 阻抗： | 50 欧姆 |
| 封装/外壳： | 24-VQFN 裸露焊盘 |
| 其它名称： | 1127-1054-6 |
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, 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
3
HMC542ALP4 / 542ALP4E
v06.0312
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
SERIAL CONTROL ATTENUATOR, DC - 4 GHz
Worst Case Step Error
Between Successive Attenuation States
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0
0.5
1
1.5
2
2.5
3
3.5
4
FREQUENCY (GHz)
Timing Diagram
Truth Table
Control Voltage Input
Attenuation
State
RF1 - RF2
C16
C8
C4
C2
C1
C0.5
High
High
High
High High
High
Reference
i.l.
High
High
High
High High
Low
0.5 dB
High
High
High
High
Low
High
1 dB
High
High
High
Low
High
High
2 dB
High
High
Low
High High
High
4 dB
High
Low
High
High High
High
8 dB
Low
High
High
High High
High
16 dB
Low
Low
Low
Low
Low
Low
31.5 dB
Any combination of the above states will provide an attenuation
approximately equal to the sum of the bits selected.
Digital Control Voltages
State
Vcc = +5V
Low
0 to 1.3V
High
3 to 5V
Parameter
Symbol
Vcc = +5V
Units
Min.
Max.
Serial Input Setup Time
ts
20
-
ns
Hold time from Serial
Input to Shift Clock
th
0
-
ns
Setup time from Shift
Clock to Latch Enable
tlsup
40
-
ns
Latch Enable Window,
Latch Enable to C0.5
through C8
tpd
-
30
ns
Setup time from Reset to
Shift Clock
-
20
-
ns
Clock Frequency
(1/tclk)
fclk
-
30
MHz
Timing
Serial Input Truth Table
Latch
Enable
Shift
Clock
Reset
Function
X
X
l
Shift register cleared
X
?/DIV>
H
Shift register clocked
?/DIV>
X
H
Contents of shift register
transferred to Digital
Attenuator
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相关代理商/技术参数 |
参数描述 |
|---|---|
| HMC542ALP4ETR | 制造商:Hittite Microwave Corp 功能描述:ATTENUATOR DGTL 6BIT 4X4QFN 制造商:Hittite Microwave Corp 功能描述:HMC542 Series DC - 4 Ghz 0.5db 6-Bit GaAs Digital Attenuator - 4x4 mm QFN-24 |
| HMC542BLP4E | 功能描述:RF Attenuator 31.5dB ±0.2dB 0 ~ 4GHz 50 Ohm 560mW 24-VFQFN Exposed Pad 制造商:analog devices inc. 系列:- 零件状态:在售 衰减值:31.5dB 容差:±0.2dB 频率范围:0 ~ 4GHz 功率（W）:560mW 阻抗:50 欧姆 封装/外壳:24-VFQFN 裸露焊盘 标准包装:1 |
| HMC542BLP4ETR | 制造商:Hittite Microwave Corp 功能描述:HMC524 Series Dc - 4 Ghz 3 / 5 V 0.5 dB LSB 6-Bit SMT Digital Attenuator |
| HMC542LP4 | 制造商:HITTITE 制造商全称:Hittite Microwave Corporation 功能描述:0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR, DC - 3 GHz |
| HMC542LP4_09 | 制造商:HITTITE 制造商全称:Hittite Microwave Corporation 功能描述:0.5 dB LSB GaAs MMIC 6-BIT DIGITAL SERIAL CONTROL ATTENUATOR, DC - 3 GHz |
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