PCA9601D datasheet(2/32 Pages) NXP

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PCA9601

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Product data sheet

Rev. 2 — 6 May 2011

2 of 32

NXP Semiconductors

PCA9601

Dual bidirectional bus buffer

Applications

Interface between I2C-buses operating at different logic levels (for example, 5 V and

3V or 15 V)

Interface between I2C-bus and SMBus (350

μA) standard or Fm+ standard

Simple conversion of I2C-bus SDA or SCL signals to multi-drop differential bus

hardware, for example, via compatible PCA82C250

Interfaces with opto-couplers to provide opto-isolation between I2C-bus nodes up to

1MHz

Long distance point-to-point or multipoint architectures

Ordering information

4.1 Ordering options

Block diagram

Table 1.

Ordering information

Type number

Package

Name

Description

Version

PCA9601D

SO8

plastic small outline package; 8 leads;

body width 3.9 mm

SOT96-1

PCA9601DP

TSSOP8

plastic thin shrink small outline package; 8 leads;

body width 3 mm

SOT505-1

Table 2.

Ordering options

Type number

Topside mark

Temperature range

PCA9601D

PCA9601

−40 °C to +85 °C

PCA9601DP

9601

−40 °C to +85 °C

Fig 1.

Block diagram of PCA9601

PCA9601

SX (SDA)

RX (RxD, SDA)

SY (SCL)

TX (TxD, SDA)

TY (TxD, SCL)

GND

RY (RxD, SCL)

002aae873

VCC (2.5 V to 15 V)

static level offset

card side

higher drive,

longer distance side

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