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參數(shù)資料
| 型號： | AS1746-BTDT |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 數(shù)據(jù)轉(zhuǎn)換 |
| 英文描述： | Dual, SPDT Switch; Package Type: TDFN(3x3)-10 |
| 封裝： | TDFN(3x3)-10 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 481K |
| 代理商： | AS1746-BTDT |
AS1746
0.5/0.6
Ω
, Low-Voltage, Dual SPDT Analog Switch
www.austriamicrosystems.com
Revision 1.03
1 - 15
Datasheet
1 General Description
The AS1746 is a low on-resistance (R
ON
), low-voltage,
dual-single-pole/double-throw (SPDT) analog switch
designed to operate from a single +1.8 to +5.5V supply.
The device features a 0.5
Ω
(max) R
ON
for normally
closed (NC) switches and a 0.6
Ω
(max) R
ON
for nor-
mally open (NO) switches using a +2.7V supply.
The AS1746 features break-before-make switching
(2ns) with t
ON
= 50ns and t
OFF
= 30ns (using a +2.7V
supply).
The digital logic inputs are 1.8V logic-compatible with
+2.7 to +3.3V supplies.
The AS1746 is available in a TDFN-10 (3x3mm) pack-
age and a WL-CSP-10 package.
Figure 1. AS1746 - Block Diagram
2 Key Features
!
Single Supply Operation: +1.8V to +5.5V
!
Normally Closed Switch R
ON
: 0.45
Ω
(+2.7V Supply)
!
Normally Open Switch R
ON
: 0.55
Ω
(+2.7V Supply)
!
R
ON
Matching Between Channels: 0.06
Ω
!
R
ON
Flatness Over Signal Range: 0.15
Ω
!
Supply Current: 50nA
!
Rail-to-Rail Signal Handling
!
1.8V Logic Compatibility
!
Low Crosstalk: -60dB (100kHz)
!
High Off-Isolation: -64dB (100kHz)
!
Total Harmonic Distortion: 0.025%
!
Ultra-Low Leakage Currents: 1nA (@ T
AMB
= +25oC)
!
Package Types:
- TDFN-10 (3x3mm)
- WL-CSP-10
3 Applications
The device is ideal for audio headsets, MP3 players,
power routing switches, relay replacements, audio and
video signal routing, communications circuits, PCMCIA
cards, mobile phones, MODEMs, and any battery-oper-
ated equipment.
Truth Table
NO
x
to
COM
Off
On
Switch shown for logic low input.
IN
NC
x
to
COM
On
Off
Low
High
AS1746
4
IN1
3
COM1
2
NO1
1
V+
6 GND
7 NC2
9 COM2
10 NO2
5
NC1
8 IN2
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AS1746-BWLT | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:0.5/0.6, Low-Voltage, Dual SPDT Analog Switch |
| AS1747 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Low-Voltage, Dual SPDT, Audio Clickless Switch with Negative Rail Capability |
| AS1747_04 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Low-Voltage, Dual SPDT, Audio Clickless Switches with Negative Rail Capability |
| AS174-73 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPDT RF Reflective Switch |
| AS1747-BTDR | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Low-Voltage, Dual SPDT, Audio Clickless Switches with Negative Rail Capability |
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