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参数资料
| 型号： | HMC627LP5 |
| 厂商： | HITTITE MICROWAVE CORP |
| 元件分类： | 放大器 |
| 英文描述： | 50 MHz - 1000 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER |
| 封装： | 5 X 5 MM, PLASTIC, LEADLESS, SMT, QFN-32 |
| 文件页数： | 6/10页 |
| 文件大小： | 928K |
| 代理商： | HMC627LP5 |
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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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Serial Control Interface
Parallel Mode (Direct Parallel Mode & Latched Parallel Mode)
The HMC627LP5(E) contains a 3-wire SPI compatible digital interface (SERIN, CLK, LE). It is activated when P/S
is kept high. The 6-bit serial word must be loaded MSB first. The positive-edge sensitive CLK and LE requires
clean transitions. If mechanical switches were used, sufficient debouncing should be provided. When LE is high,
6-bit data in the serial input register is transferred to the attenuator. When LE is high CLK is masked to prevent data
transition during output loading.
When P/S is low, 3-wire SPI interface inputs (SERIN, CLK, LE) are disabled and serial input register is loaded
asynchronously with parallel digital inputs (D0-D5). When Le is high, 6-bit parallel data is transferred to the attenuator.
For all modes of operations, the DVGA state will stay constant while LE is kept low.
Note: The parallel mode is enabled when P/S is set to low.
Direct Parallel Mode - The attenuation state is changed by the Control Voltage Inputs directly. The LE (Latch Enable)
must be at a logic high to control the attenuator in this manner.
Latched Parallel Mode - The attenuation state is selected using the Control Voltage Inputs and set while the LE is in
the Low state. The attenuator will not change state while LE is Low. Once all Control Voltage Inputs are at the desired
states the LE is pulsed. See timing diagram above for reference.
Timing Diagram (Latched Parallel Mode)
HMC627LP5 / 627LP5E
v10.0410
0.5 dB LSB GaAs MMIC 6-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 50 MHz - 1 GHz
Parameter
Typ.
Min. serial period, t
SCK
100 ns
Control set-up time, t
CS
20 ns
Control hold-time, t
CH
20 ns
LE setup-time, t
LN
10 ns
Min. LE pulse width, t
LEW
10 ns
Min LE pulse spacing, t
LES
630 ns
Serial clock hold-time from LE, t
CKN
10 ns
Hold Time, t
PH.
0 ns
Latch Enable Minimum Width, t
LEN
10 ns
Setup Time, t
PS
2 ns
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相关代理商/技术参数 |
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| HMC627LP5_10 | 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 VARIABLE GAIN AMPLIFIER, 50 MHz - 1 GHz |
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| HMC629ALP4E | 功能描述:RF Attenuator 45dB @ 0Hz ~ 6GHz ±0.5dB 0Hz ~ 6GHz 50 Ohm 24-VFQFN Exposed Pad 制造商:analog devices inc. 系列:- 零件状态:在售 衰减值:45dB @ 0Hz ~ 6GHz 容差:±0.5dB 频率范围:0Hz ~ 6GHz 功率（W）:- 阻抗:50 欧姆 封装/外壳:24-VFQFN 裸露焊盘 标准包装:1 |
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