LSF0102DDFR datasheet(1/57 Pages) TI

部件名	LSF0102DDFR

功能描述	LSF010x 1/2/8 Channel Auto-Bidirectional Multi-Voltage Level Translator for Open- Drain and Push-Pull Applications

PDF	57 Pages

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制造商	TI [Texas Instruments]

网页	http://www.ti.com

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1 / 57 page

LSF010x 1/2/8 Channel Auto-Bidirectional Multi-Voltage Level Translator for Open-

Drain and Push-Pull Applications

1 Features

• Provides bidirectional voltage translation with no

direction pin

• Supports up to 100-MHz up translation and greater

than 100-MHz down translation at

≤ 30 pF cap load and up To 40-MHz up/down

translation at 50 pF cap load

• Allows bidirectional voltage-level translation

between

– 0.95 V ↔ 1.8/2.5/3.3/5 V

– 1.2 V ↔ 1.8/2.5/3.3/5 V

– 1.8 V ↔ 2.5/3.3/5 V

– 2.5 V ↔ 3.3/5 V

– 3.3 V ↔ 5 V

• Low standby current

• 5-V tolerance I/O port to support TTL

• Low RON provides less signal distortion

• High-impedance I/O pins for EN = Low

• Flow-through pinout for easy PCB trace routing

• Latch-up performance >100 mA per JESD 17

• –40°C to 125°C operating temperature range

2 Applications

• GPIO, MDIO, PMBus, SMBus, SDIO, UART, I2C,

and other interfaces in telecom infrastructure

• Enterprise systems

• Communications equipment

• Personal electronics

• Industrial applications

3 Description

The LSF family of devices supports bidirectional

voltage translation without the need for DIR pin which

minimizes system effort (for PMBus, I2C, SMBus, and

so forth). The LSF family of devices supports up to

100-MHz up translation and greater than 100-MHz

down translation at ≤ 30 pF cap load and up to 40-

MHz up/down translation at 50 pF cap load which

allows the LSF family to support more consumer or

telecom interfaces (MDIO or SDIO).

LSF family supports 5-V tolerance on I/O port which

makes it compatible with TTL levels in industrial and

telecom applications. The LSF family is able to set

up different voltage translation levels on each channel

which makes it very flexible.

Package Information

PART NUMBER

PACKAGE(1)

BODY SIZE (NOM)

LSF0101

SON (DRY, 6)

1.45 mm × 1.00 mm

X2SON (DTQ, 6)

1.00 mm x 0.80 mm

LSF0102

X2SON (DQE, 8)

1.40 mm × 1.00 mm

DSBGA (YZT, 8)

1.90 mm × 1.00 mm

SM8 (DCT, 8)

2.80 mm × 2.95 mm

VSSOP (DCU, 8)

2.30 mm × 2.00 mm

SOT-23 (DDF, 8)

1.60 mm x 2.90 mm

LSF0108

VQFN (RKS, 20)

4.50 mm × 2.50 mm

TSSOP (PW, 20)

4.40 mm × 6.50 mm

VSSOP (DGS, 20)

3.00 mm x 5.10 mm

(1)

For all available packages, see the orderable addendum at

the end of the data sheet.

Vref_A

Vref_B

2

19

3

4

5

6

20

EN

18

17

16

15

1

GND

A1

A2

A3

A4

B1

B2

B3

B4

SW

7

8

9

10

14

13

12

11

A5

A6

A7

A8

B5

B6

B7

B8

SW

Functional Block Diagram

LSF0108

SDLS966L – DECEMBER 2013 – REVISED DECEMBER 2022

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

类似零件编号 - LSF0102DDFR

制造商	部件名	数据表	功能描述
Texas Instruments	LSF0102DDFR	1Mb / 42P	LSF0102 2 Channel Auto-Bidirectional Multi-Voltage Level Translator for Open-Drain and Push-Pull Applications REVISED APRIL 2024
	LSF0102DDFR	1Mb / 42P	LSF0102 2 Channel Auto-Bidirectional Multi-Voltage Level Translator for Open-Drain and Push-Pull Applications REVISED APRIL 2024
	LSF0102DDFR.A	1Mb / 42P	LSF0102 2 Channel Auto-Bidirectional Multi-Voltage Level Translator for Open-Drain and Push-Pull Applications REVISED APRIL 2024

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