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参数资料
| 型号： | 94302-11 |
| 厂商： | PEREGRINE SEMICONDUCTOR CORP |
| 元件分类： | 衰减器 |
| 英文描述： | 50 ヘ RF Digital Step Attenuator For Rad-Hard Space Applications 6-bit, 31.5 dB, DC - 4.0 GHz |
| 中文描述： | 0 MHz - 4000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 2.75 dB INSERTION LOSS-MAX |
| 封装： | CERAMIC, QFP-28 |
| 文件页数： | 2/8页 |
| 文件大小： | 374K |
| 代理商： | 94302-11 |
Product Specification
PE94302
Page 2 of 6
2005-2008 Peregrine Semiconductor Corp. All rights reserved.
Document No. 70-0186-04
│ UltraCMOS RFIC Solutions
Table 2. Pin Descriptions
Table 3. Absolute Maximum Ratings
Electrostatic Discharge (ESD) Precautions
When handling this UltraCMOS device, observe the
same precautions that you would use with other ESD-
sensitive devices. Although this device contains
circuitry to protect it from damage due to ESD,
precautions should be taken to avoid exceeding the
rate specified.
Exposed Solder Pad Connection
The exposed solder pad on the bottom of the package
must be grounded for proper device operation.
Table 4. Operating Ranges
Figure 3. Pin Configuration (Top View)
Symbol
Parameter/Conditions
Min
Max
Units
VDD
Power supply voltage
-0.3
4.0
V
VI
Voltage on any DC input
-0.3
VDD+
0.3
V
TST
Storage temperature range
-65
150
°C
P
IN
Input power (50
)
24
dBm
VESD
ESD voltage (Human Body
Model)
500
V
Vss
Negative Power supply
voltage (-VDD)
-4.0
0.3
V
Parameter
Min
Typ
Max
Units
VDD Power Supply Voltage
2.7
3.0
3.3
V
IDD Power Supply Current
250
A
Digital Input High
0.7xVDD
V
Digital Input Low
0.3xVDD
V
Digital Input Leakage
1
A
TOP Operating temperature
range
-40
85
°C
Vss Power Supply Voltage
-3.3
-3.0
-2.7
V
Iss Power Supply Current
-500
A
Latch-Up Avoidance
Unlike conventional CMOS devices, UltraCMOS
devices are immune to latch-up.
Switching Frequency
The PE94302 has a maximum 25 kHz switching rate.
Pin No.
Pin Name
1
C16
2
GND
3
RF1
4
GND
5
Data
6
GND
7
CLK
8
LE
9
VDD
10
GND
11
RS1
12
GND
13
RS2
14
VSS
15
Reset
16
GND
17
P/S
18
GND
19
RF2
20
GND
21
C8
22
C4
23
C2
24
GND
25
GND
26
GND
27
C1
28
C0.5
Paddle
GND
Description
Attenuation control bit, 16dB
Ground connection
RF port (Note 1).
Ground connection
Serial interface data input
Ground connection
Serial interface clock input.
Latch Enable input (Note 2).
Power supply pin.
Ground connection
Redundant Signal (note 3)
Ground connection
Redundant Signal (Note 3)
Negative supply voltage (Note 4)
Reset (Note 5)
Ground connection
Parallel/Serial mode select.
Ground connection
RF port (Note 1).
Ground connection
Attenuation control bit, 8 dB.
Attenuation control bit, 4 dB.
Attenuation control bit, 2 dB.
Ground connection
Attenuation control bit, 1 dB.
Attenuation control bit, 0.5 dB.
Ground connection
PE94302
25
11
5
3
17
19
1
2
4
18
6
7
20
21
16
15
26
24
27
28
23
22
10
9
8
12
13
14
C16
GND
RF1
GND
GN
D
GN
D
GND
Data
CLK
LE
V
DD
RS1
RS
2
V
SS
Reset
P/S
RF2
C8
C4
C2
C1
C0.
5
Note 1: Both RF ports must be held at 0 VDC or DC blocked with an
external series capacitor.
2: Latch Enable (LE) has an internal 100 k
resistor to V
DD.
3: Must be tied to Vdd or GND under normal operation.
4: Must be tied to external supply with VSS = -VDD
5: Must be tied to GND under normal operation
Exceeding absolute maximum ratings may cause
permanent damage. Operation should be restricted to
the limits in the Operating Ranges table. Operation
between operating range maximum and absolute
maximum for extended periods may reduce reliability.
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