參數(shù)資料
型號(hào)： AS1745G-T
廠商： AUSTRIAMICROSYSTEMS AG
元件分類： 數(shù)據(jù)轉(zhuǎn)換
英文描述： Dual 4Ω SPDT Switch NO/NC; Package Type: MSOP-10
中文描述： DUAL 1-CHANNEL, SGL POLE DOUBLE THROW SWITCH, PDSO10
封裝： MSOP-10
文件頁數(shù)： 5/16頁
文件大?。?/td> 521K
代理商： AS1745G-T
www.austriamicrosystems.com
Revision 1.53
5 - 16
AS1744/AS1745
Data Sheet
- Electrical Characteristics
V+ = +2.7 to 3.6V, V
IH
= +2.0V, V
IL
= +0.4V, T
AMB
= T
MIN
to T
MAX
(unless otherwise specified). Typ values @ T
AMB
= +25oC.
Table 4. +3V Supply Electrical Characteristics
Symbol
Parameter
Conditions
Analog Switch
V
COM
x
,
V
NO
x
,
V
NC
x
1.
Δ
R
ON
= R
ON(MAX)
- R
ON(MIN)
.
2. Flatness is defined as the difference between the maximum and the minimum value of ON-resistance as measured
over the specified analog signal ranges.
3. Guaranteed by design.
4. Off-Isolation = 20log10(V
COM
x
/V
NO
x
), V
COM
x
= output, V
NO
x
= input to off switch.
5. Between any two switches.
Min
Typ
Max Unit
Analog Signal Range
0
V+
V
R
ON
ON-Resistance
V+ = 2.7V, I
COM
x
= 10mA,
V
NO
x
or V
NC
x
= 0 to V+
T
AMB
= +25oC
T
AMB
= T
MIN
to T
MAX
T
AMB
= +25oC
5
5.5
8
0.2
Ω
Δ
R
ON
ON-Resistance
Match Between
Channels
1
ON-Resistance
Flatness
2
NO
x
or NC
x
Off-
Leakage Current
3
COM
x
Off-Leakage
Current
3
COM
x
On-Leakage
Current
3
V+ = 2.7V, I
COM
x
= 10mA,
V
NO
x
or V
NC
x
= 0 to V+
0.1
Ω
T
AMB
= T
MIN
to T
MAX
0.4
R
FLAT(ON)
V+ = 2.7V, I
COM
x
= 10mA,
V
NO
x
or V
NC
x
= 0 to V+
T
AMB
= +25oC
T
AMB
= T
MIN
to T
MAX
T
AMB
= +25oC
T
AMB
= T
MIN
to T
MAX
-0.3
T
AMB
= +25oC
T
AMB
= T
MIN
to T
MAX
T
AMB
= +25oC
T
AMB
= T
MIN
to T
MAX
1.5
2
Ω
2.5
0.1
0.3
0.1
3
0.4
4
I
NO
x
(OFF)
,
I
NC
x
(OFF)
V+ = 3.3V, V
COM
x
= 1 or 3V,
V
NO
x
or V
NC
x
= 3 or 1V
-0.1
±0.01
nA
I
COM
x
(OFF)
V+ = 3.3V, V
COM
x
= 1 or 3V,
V
NO
x
or V
NC
x
= 3 or 1V
-0.1
-3
-0.4
-4
±0.01
nA
I
COM
x
(ON)
V+ = 3.3V, V
COM
x
= 1 or 3V,
V
NO
x
or V
NC
x
= 1 or 3V
±0.1
nA
Logic Input
: (IN
x
)
V
IH
V
IL
Input Logic High
Input Logic Low
Input Leakage
Current
2.0
V
V
0.4
I
IH
,I
IL
V
IN
x
= 0 or +5.5V
-100
5
100
nA
Switch Dynamic Characteristics
t
ON
Turn On Time
3
V
NO
x
or V
NC
x
= 2V, R
LOAD
=
300
Ω
, C
LOAD
= 35pF, Figure 12
T
AMB
= +25oC
T
AMB
= T
MIN
to T
MAX
T
AMB
= +25oC
T
AMB
= T
MIN
to T
MAX
T
AMB
= +25oC
T
AMB
= T
MIN
to T
MAX
17
23
28
8
10
ns
t
OFF
Turn Off Time
3
V
NO
x
or V
NC
x
= 2V, R
LOAD
=
300
Ω
, C
LOAD
= 35pF, Figure 12
6
ns
t
BBM
Break-Before-Make
3
V
NO
x
or V
NC
x
= 2V, R
LOAD
=
300
Ω
, C
LOAD
= 35pF, Figure 13
11
ns
1
Q
Charge Injection
NO
x
, NC
x
Off-
Capacitance
COM
x
On-
Capacitance
V
GEN
= 1.5V, R
GEN
= 0, C
LOAD
= 1.0nF, Figure 14
0
pC
C
NOx(OFF)
,
C
NCx(OFF)
V
NO
x
or V
NC
x
= GND, f = 1MHz, Figure 15
20
pF
C
COM
x
(ON)
V
COM
x
= GND, f = 1MHz, Figure 15
56
pF
V
ISO
Off-Isolation
4
f = 10MHz, R
LOAD
= 50
Ω
, C
LOAD
= 5pF, Figure 16
f = 1MHz, R
LOAD
= 50
Ω
, C
LOAD
= 5pF, Figure 16
f = 10MHz, R
LOAD
= 50
Ω
, C
LOAD
= 5pF, Figure 16
f = 1MHz, R
LOAD
= 50
Ω
, C
LOAD
= 5pF, Figure 16
-52
-85
-52
-90
dB
V
CT
Crosstalk
5
dB
Power Supply
I+
Positive Supply
Current
V+ = 3.6V, V
IN
= 0 or +3.6V
0.01
1.0
μA
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