Texas Instruments LSF0108-Q1 Bedienungsanleitung

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LSF0108-Q1 Automotive 8-Channel Multi-Voltage Level Translator

1 Features

•AEC-Q100 qualified with the following results:

–Device HBM ESD classification level 2000-V

–Device CDM ESD classification level 1000-V

•Available in wettable flank VQFN (RKS) package

•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

capacitive load and up to 40 MHz up or down

translation at 50-pF capacitive load

•Supports hot insertion

•Allow bidirectional voltage level translation

between

–0.65 V ↔ 1.8 V, 2.5 V, 3.3 V, 5 V (RKS package

only)

–0.95 V ↔ 1.8 V, 2.5 V, 3.3 V, 5 V

–1.2 V ↔ 1.8 V, 2.5 V, 3.3 V, 5 V

–1.8 V ↔ 2.5 V, 3.3 V, 5 V

–2.5 V ↔ 3.3 V, 5 V

–3.3 V ↔ 5 V

•Low standby current

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

•Low r

on

provides less signal distortion

•High-impedance I/O pins for EN = low

•Flow-through pin-out for easy PCB trace routing

•Latch-up performance exceeds 100 mA per JESD

17

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

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

LSF0108-Q1

SW

SW

SW

SW

SW

SW

SW

Functional Block Diagram

2 Applications

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

2

C,

and other interfaces in telecom infrastructure

•Infotainment and cluster

•Body electronics and lighting

•Hybrid, electric, and powertrain systems

•Passive safety

•ADAS

3 Description

•Supports up to 100 MHz up translation and greater

than 100 MHz down translation at ≦ 30 pF

capacitive load and up to 40 MHz up and down

translation at 50 pF capacitive load:

–Allows the LSF family to support more

consumer or telecom interfaces (MDIO or

SDIO)

•Bidirectional voltage translation without DIR pin:

–Minimizes system effort to develop voltage

translation for bidirectional interface (PMBus,

I

2

C, or SMbus)

•5 V tolerance on IO port and 125°C support:

–With 5 V tolerance and 125°C support, the LSF

family is flexible and compliant with TTL levels

in industrial and telecom applications

•Channel specific translation:

–The LSF family is able to set up different

voltage translation levels on each channel

Package Information

PART NUMBERPACKAGE

(1)

PACKAGE SIZE

(2)

LSF0108-Q1

PW (TSSOP, 20)6.5 mm × 6.4 mm

RKS (VQFN, 20)4.5 mm × 2.5 mm

(1)For all available packages, see the orderable addendum at

the end of the data sheet.

(2)The package size (length × width) is a nominal value and

includes pins, where applicable.

LSF0108-Q1

SDLS967H – MAY 2016 – REVISED JULY 2023

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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION

DATA.

Produktspezifikationen