LR1553 datasheet(1/8 Pages) LRC

Part #	LR1553

Description	0.6 Low Ron??0MHz High BW SPDT Analog Switch

PDF	8 Pages

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Manufacturer	LRC [Leshan Radio Company]

Direct Link	http://www.lrc.cn/

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0.6Ω

Ω

Ω Low Ron、

、

、80MHz High BW SPDT Analog Switch

Features

Wide Power Supply Range: 1.8V to 5.5V

High Bandwidth:

80MHz@Vcc=4.5V, 85MHz@Vcc=2.7V

High Off-Isolation: -61dB

Ultra-Low On-Resistance:

0.6Ω@Vcc=4.5V, 1.2Ω@Vcc=2.7V

Fast Switching Time

Ton = 12.0ns; Toff = 10.0ns(Vcc=2.7V)

Low THD (0.01% @ Vcc = 2.7V)

Break-Before-Make Switching

5ns @ Vcc = 2.7V

Rail-to-Rail Signal Range

Operation Temperature Range:

-40℃ to 85℃

Lead (Pb) Free SOT363-6 Package

Applications

Cell Phone

Speaker Switching

Power Switching

Computer Peripherals

Modems

Pin Configuration

6

66

6

5

55

5

4

44

4

S

VCC

A

DSSS

1

11

1

2

22

2

3

33

3

B1 GND B0

Function Table

S(LOGIC)

Function

0

B0 Connected to A

1

B1 Connected to A

Block Diagram Shown For Logic “0” Input

Description

The LR1553 is a single, bi-directional, single-pole

double throw (SPDT) CMOS switch. It features low

on-resistance (0.6Ω TYP) and high-bandwidth

(80MHz). LR1553 features low on-resistance flatness

over the signal range (0.18

TYP). This ensures

excellent linearity and low distortion when switching

audio signals.

The LR1553 is designed for low operating voltage

(1.65V-5.5V), high current switching of speaker

output

for

cell

phone

or

a

balanced

microphone/speaker/ring tone generator in a mono-

phone mode. The device contains a break before

make feature which eliminates signal disruption

during switching.

LR1553 is available in a SOT363 package.

Block Diagram

1

11

1

2

22

2

3

33

3

6

66

6

5

55

5

4

44

4

LR1553

B1

GND

B0

S

VCC

A

Pin Description

NAME

FUNCTION

B1

1

Data port 1

GND

2

Ground

B0

3

Data port 0

A

4

Common Data port

VCC

5

Power supply

S

6

Digital control pin to

connect the A port to the

B0 or B1 port.

Note: B0, B1 and A port may be an input or output.

SSS: production id

LR1553

Leshan Radio Co ., Ltd

1/8

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