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| 型號(hào)： | 4270-51 |
| 英文描述： | SPST CATV UltraCMOS⑩ Switch DC - 3000 MHz |
| 中文描述： | 聚苯乙烯有線電視的UltraCMOS⑩開關(guān)直流- 3000兆赫 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 302K |
| 代理商： | 4270-51 |
Product Specification
PE4270
Page 2 of 8
2005 Peregrine Semiconductor Corp. All rights reserved.
Document No. 70-0148-03
│
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 rating specified in Table 3.
Latch-Up Avoidance
Unlike conventional CMOS devices, UltraCMOS
devices are immune to latch-up.
Table 4. DC Electrical Specifications
Notes: 1. Both RF pins must be held at 0 V
DC
or require external DC
blocking capacitors
2. The exposed pad must be soldered to the ground plane for
proper switch performance.
Figure 3. Pin Configuration
Table 5. Control Logic Truth Table
Exposed
Solder Pad
(bottom side)
V
DD
GND
RF1
RF2
GND
CTRL
4
5
6
3
2
1
Device Description
The
PE4270
high isolation SPST CATV Switch is
designed to support CATV applications such as
premise disconnect of a CATV signal path. This
function is typically performed by bulky and
expensive mechanical relays. The high isolation
characteristics, high compression point, and
integrated 75-ohm terminations make the
PE4270
an ideal, cost effective and manufacturable
product of choice.
The control logic input pin (CTRL) is typically
driven by a 3-volt CMOS logic level signal, and
has a threshold of 50% of V
DD
. For flexibility to
support systems that have 5-volt control logic
drivers, the control logic input has been designed
to handle a 5-volt logic HIGH signal. (A minimal
current will be sourced out of the V
DD
pin when the
control logic input voltage level exceeds V
DD
.)
Notes: 1.
CTRL accepts both CMOS and TTL voltage leads.
Absolute Maximum Ratings are those values
listed in the above table. Exceeding these values
may cause permanent device damage.
Functional operation should be restricted to the
limits in the DC Electrical Specifications table.
Exposure to absolute maximum ratings for
extended periods may affect device reliability.
Pin
No.
1
Pin Name
Description
V
DD
Nominal 3 V supply connection.
2
GND
Ground connection.
2
3
RF1
RF port.
1
CMOS or TTL logic level:
High = RF1 to RF2 signal path
Low = RF1 isolated from RF2
Ground connection.
3
4
CTRL
5
GND
6
RF2
RF port.
1
Symbol
Parameter/Condition
Min
Max
Unit
V
DD
Power supply voltage
-0.3
4.0
V
V
I
Voltage on CTRL input
-0.3
5.5
V
T
ST
Storage temperature
-65
150
°C
T
OP
Operating temperature
-40
85
°C
P
IN
Input power (50
),
CTRL=1/CTRL=0
ESD voltage
(Human Body Model)
33/24
dBm
V
ESD
500
V
Parameter
Min
2.7
Typ
3.0
Max
3.3
Unit
V
V
DD
Power Supply
I
DD
Power Supply Current
(V
DD
= 3V, V
CTRL
= 3V)
Control Voltage High
Control Voltage Low
8
20
μA
0.7xV
DD
0
5
V
V
0.3xV
DD
Control Voltage (CTRL)
Signal Path (RF1 to RF2)
High
1
ON
Low
OFF
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