English
Language : 

SGM4157_15 Datasheet, PDF (1/11 Pages) SG Micro Corp – SPDT 1 Analog Switch
SGM4157
SPDT 1Ω Analog Switch
GENERAL DESCRIPTION
The SGM4157 is a single Low on-resistance (1Ω), fast
single-pole double-throw (SPDT) CMOS switch. It is
designed for low operating voltage, high current switching
of speaker output for cell phone applications. The
SGM4157 can handle a balanced microphone/speaker
generator in a monophone mode. The device contains a
break-before-make (BBM) feature.
The control input, IN, tolerates input drive signals up to
5.5V, independent of supply voltage.
SGM4157 is available in Green TDFN-2×2-6L package.
APPLICATIONS
Portable Instrumentation
Battery-Operated Equipment
Computer Peripherals
Cell Phones
PDAs
MP3s
FUNCTION TABLE
LOGIC
NO
NC
0
OFF
ON
1
ON
OFF
Switches Shown For Logic “0” Input.
FEATURES
● Voltage Operation: 1.8V to 5.5V
● On-Resistance: 0.8Ω (TYP) at 4.5V
● -3dB Bandwidth: 80MHz
● High Off-Isolation: -60dB at 1MHz
● Rail-to-Rail Operation
● Low Static Power
● TTL/CMOS Compatible
● Break-Before-Make Switching
● Extended Industrial Temperature Range:
-40℃ to +85℃
● Microsize Package
PIN CONFIGURATION (TOP VIEW)
SGM4157YD6
NO 1
6 IN
GND 2
5 V+
NC 3
4 COM
TDFN-2×2-6L
PIN DESCRIPTION
NAME
NO
GND
NC
COM
V+
IN
Exposed
Pad
PIN
1
2
3
4
5
6
GND
FUNCTION
Normally-Open Terminal.
Ground.
Normally-Closed Terminal.
Common Terminal.
Power Supply.
Digital Control Pin to Connect the COM
Terminal to the NO or NC Terminals.
Exposed pad should be soldered to
PCB board and connected to GND.
NOTE: NO, NC and COM terminal may be an input or output.
SG Micro Corp
www.sg-micro.com
REV. B. 4