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参数资料
| 型号： | HMC628LP4E |
| 厂商： | HITTITE MICROWAVE CORP |
| 元件分类： | 放大器 |
| 英文描述： | 50 MHz - 800 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER |
| 封装： | 4 X 4 MM, ROHS COMPLIANT, PLASTIC, LEADLESS, SMT, QFN-24 |
| 文件页数： | 14/14页 |
| 文件大小： | 619K |
| 代理商： | HMC628LP4E |
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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
V
A
R
IA
B
L
E
G
A
IN
A
M
P
L
IF
IE
R
S
-
D
IG
IT
A
L
-
SM
T
12
Absolute Maximum Ratings
RF Input Power
20 dBm
RF Output Power
22 dBm
Digital Inputs (B0-B4, Shift Clock,
Latch Enable & Data Input)
-0.5V to Vdd +0.5V
Bias Voltage (Vdd)
5.6 V
Junction Temperature
125 °C
Continuous Pdiss (T = 85 °C)
(derate 13.5 mW/°C above 85 °C) [1]
0.54 W
Thermal Resistance
(Junction to ground paddle)
74.3 °C/W
Storage Temperature
-65 to +150 °C
Operating Temperature
-40 to +85 °C
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Bias Voltage
Vdd (V)
Idd (Typ.) (mA)
5V
65
PUP Truth Table
LE
PUP1
PUP2
Gain Relative to
Maximum Gain
000
Insertion Loss
010
-8
001
-16
011
-23
1
X
0 to -23 dB
Note: Power-Up with LE= 1 provides direct parallel operation with
B4-B0.
Power-Up States
If LE is set to logic LOW at power-up, the logic state of
PUP1 and PUP2 determines the power-up state of the
part per PUP truth table. If the LE is set to logic HIGH
at power-up, the logic state of B4-B0 determines the
power-up state of the part per truth table. The DVGA
latches in the desired power-up state approximately
200 ms after power-up.
Power-On Sequence
The ideal power-up sequence is: GND, Vdd, digital
inputs, RF inputs. The relative order of the digital
inputs are not important as long as they are powered
after Vdd / GND
ATTENUATION
(dB)
B4[1]
B3[1]
B2
B1
B0
0
0000
1
0
0001
2
0
0010
3
0
0011
4
0
0100
5
0
0101
6
0
0110
7
0
0111
8
0
1000
9
0
1001
10
01010
11
01011
12
01100
13
01101
14
01110
15
01111
16
1X0
0
17
1X0
0
1
18
1X0
1
0
19
1X0
1
20
1X1
0
21
1X1
0
1
22
1X1
1
0
23
1X1
1
[1] Enabling B4 disables B3, the minimum attenuation is 16 dB
Truth Table
HMC628LP4 / 628LP4E
v07.0410
BiCMOS MMIC 5-Bit DIGITAL
VARIABLE GAIN AMPLIFIER, 50 - 800 MHz
Control Voltage Table
State
Vdd = +3V
Vdd = +5V
Low
0 to 0.5V @ <1 μA
0 to 0.8V @ <1 μA
High
2 to 3V @ <1 μA
2 to 5V @ <1 μA
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