參數(shù)資料
型號(hào): ADG3249
廠商: Analog Devices, Inc.
英文描述: 2.5 V/3.3 V, 2:1 Multiplexer/ Demultiplexer Bus Switch
中文描述: 2.5 V/3.3五,2:1多路復(fù)用器/解復(fù)用器總線開(kāi)關(guān)
文件頁(yè)數(shù): 3/12頁(yè)
文件大小: 220K
代理商: ADG3249
REV. 0
ADG3249
–3–
ABSOLUTE MAXIMUM RATINGS
*
(T
A
= 25
°
C, unless otherwise noted.)
V
CC
to GND . . . . . . . . . . . . . . . . . . . . . . . . .
0.5 V to +4.6 V
Digital Inputs to GND . . . . . . . . . . . . . . . . .
0.5 V to +4.6 V
DC Input Voltage . . . . . . . . . . . . . . . . . . . . .
0.5 V to +4.6 V
DC Output Current . . . . . . . . . . . . . . . . . 25 mA per Channel
Operating Temperature Range
Industrial (B Version) . . . . . . . . . . . . . . . . .
40
°
C to +85
°
C
Storage Temperature Range . . . . . . . . . . . .
65
°
C to +150
°
C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150
°
C
JA
Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 206
°
C/W
Lead Temperature, Soldering (10 sec) . . . . . . . . . . . . . 300
°
C
IR Reflow, Peak Temperature (<20 sec) . . . . . . . . . . . . 235
°
C
*
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability. Only one absolute
maximum rating may be applied at any one time.
PIN CONFIGURATION
8-Lead SOT-23
TOP VIEW
(Not to Scale)
8
7
6
5
1
2
3
4
ADG3249
GND
A1
EN
IN
SEL
V
CC
A0
B
ORDERING GUIDE
Model
Temperature Range
40
°
C to +85
°
C
40
°
C to +85
°
C
40
°
C to +85
°
C
Package Description
Package
Branding
ADG3249BRJ-R2
ADG3249BRJ-REEL
ADG3249BRJ-REEL7
SOT-23 (Small Outline Transistor Package)
SOT-23 (Small Outline Transistor Package)
SOT-23 (Small Outline Transistor Package)
RJ-8
RJ-8
RJ-8
SHA
SHA
SHA
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although the
ADG3249 features proprietary ESD protection circuitry, permanent damage may occur on devices
subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended
to avoid performance degradation or loss of functionality.
Table II. Truth Table
EN
H
L
L
L
L
IN
X
L
L
H
H
SEL
*
X
L
H
L
H
FUNCTION
Disconnect
A0 = B; 3.3 V to 1.8 V Level Shifting
A0 = B; 3.3 V to 2.5 V/2.5 V to 1.8 V Level Shifting
A1 = B; 3.3 V to 1.8 V Level Shifting
A1 = B; 3.3 V to 2.5 V/2.5 V to 1.8 V Level Shifting
*
SEL
= 0 V only when V
DD
= 3.3 V
10%
Table I. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
Mnemonic
EN
A0
A1
GND
B
IN
SEL
V
CC
Description
Enable (Active Low)
Port A0, Input or Output
Port A1, Input or Output
Ground Reference
Port B, Input or Output
Channel Select
Level Translation Select
Positive Power Supply Voltage
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