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DG2729DN-T1-E4

更新时间： 2024-02-27 17:51:19
品牌 Logo 应用领域
威世 - VISHAY 开关
页数 文件大小 规格书
8页 150K
描述
0.65-ohm, Low Voltage, Negative Swing Capable, Dual SPST Analog Switch

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DG2729DN-T1-E4 数据手册

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DG2727, DG2728, DG2729  
Vishay Siliconix  
0.65-Ω, Low Voltage, Negative Swing Capable,  
Dual SPST Analog Switch  
DESCRIPTION  
FEATURES  
The DG2727, DG2728, and DG2729 are 0.6 Ω dual SPST  
analog switches. When Sx are used as signal input, these  
devices support AC-coupled audio signals with single rail  
power supply. Audio signals can swing below ground down  
to V+ - 4.3 V.  
Built on Vishay Siliconix’s sub-micro CMOS technology, the  
DG2747/2748/2749 achieve 0.6 Ω on-resistance and 0.2 Ω  
flatness at 2.7 V power supply. Its total harmonic distortion is  
0.006 % (frequency ranges 20 Hz to 20 kHz).  
It achieves - 72 dB off-isolation and - 100 dB crosstalk at  
100 kHz. Its - 3 dB bandwidth is up to 78 MHz.  
Select pin of control logic can tolerate voltage above power  
supply up to 4.3 V. It has guaranteed 1.2 V logic high for the  
power supply 2.7 V to 4.3 V range. This makes it compatible  
with many low voltage digital control circuits.  
•
Halogen-free according to IEC 61249-2-21  
definition  
Wide operation voltage range: 1.6 V to 4.3 V  
Low 0.6 Ω (typical at 2.7 V) on-resistance  
Guaranteed logic high threshold:  
Vth(high) = 1.2 V at V+ = 4.3 V  
- 82 dB crosstalk and - 76 dB off-isolation at 100 kHz  
250 MHz, - 3 dB bandwidth  
•
•
•
•
•
•
•
•
•
0.006 % total harmonic distortion  
> 250 mA latch up current per JESD78  
> 8 kV ESD/HBM per MIL-STD 883 (method 3015)  
Compliant to RoHS directive 2002/95/EC  
BENEFITS  
•
Ultra small miniQFN-8L package of 1.4 mm x 1.4 mm  
Combining wide operation voltage, low power, high speed,  
low on-resistance and small physical size, the DG2747,  
DG2748, DG2749 are ideal for portable and battery powered  
applications requiring high performance and efficient use of  
board space.  
x 0.55 mm  
•
•
•
High fidelity audio switch  
Reed relay replacement  
Low power consumption  
APPLICATIONS  
The DG2747, DG2748, DG2749 come in  
a small  
•
•
•
•
•
•
•
Cellular phones  
miniQFN-8L package (1.4 mm x 1.4 mm x 0.55 mm) and  
operate over - 40 °C to + 85 °C extended temperature range.  
GPS and portable media player  
Audio and video signal routing  
Modems  
Hard drives and computer peripherals  
Low voltage data-acquisition circuits  
Medical and test equipment  
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION  
DG2727  
miniQFN-8L  
DG2728  
miniQFN-8L  
V+  
V+  
(Top View)  
(Top View)  
8
8
IN  
1
2
3
7
6
5
IN  
IN  
1
2
3
7
6
5
IN  
1
2
1
2
Gx  
Kx  
S
S
1
S
1
S
2
2
Pin 1  
Pin 1  
D
D
2
D
D
2
1
Device Marking: Gx for DG2727  
x = Date/Lot Traceability Code  
1
Device Marking: Kx for DG2728  
x = Date/Lot Traceability Code  
4
4
GND  
GND  
DG2729  
miniQFN-8L  
Top View  
Top View  
V+  
8
(Top View)  
IN  
1
7
6
5
IN  
2
1
Lx  
S
2
1
S
2
Pin 1  
3
D
D
2
1
Device Marking: Lx for DG2729  
x = Date/Lot Traceability Code  
4
GND  
Top View  
Document Number: 69049  
S09-0557-Rev. A, 13-Apr-09  
www.vishay.com  
1
12345678

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