pca9600 NXP Semiconductors, pca9600 Datasheet

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pca9600

Manufacturer Part Number
pca9600
Description
Dual Bidirectional Bus Buffer
Manufacturer
NXP Semiconductors
Datasheet

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1. General description
2. Features
The PCA9600 is designed to isolate I
in point-to-point or multipoint applications of up to 4000 pF. The PCA9600 is a
higher-speed version of the P82B96. It creates a non-latching, bidirectional, logic interface
between a normal I
bus configurations. It can operate at speeds up to at least 1 MHz, and the high drive side
is compatible with the Fast-mode Plus (Fm+) specifications.
The PCA9600 features temperature-stabilized logic voltage levels at its SX/SY interface
making it suitable for interfacing with buses that have non I
such as SMBus, PMBus, or with microprocessors that use those same TTL logic levels.
The separation of the bidirectional I
enables the SDA and SCL signals to be transmitted via balanced transmission lines
(twisted pairs), or with galvanic isolation using opto or magnetic coupling. The TX and RX
signals may be connected together to provide a normal bidirectional signal.
I
I
I
I
I
I
I
I
I
I
PCA9600
Dual bidirectional bus buffer
Rev. 02 — 13 August 2008
Bidirectional data transfer of I
Isolates capacitance allowing 400 pF on SX/SY side and 4000 pF on TX/TY side
TX/TY outputs have 60 mA sink capability for driving low-impedance or high-capacitive
buses
1 MHz operation on up to 20 meters of wire (see AN10658 )
Supply voltage range of 2.5 V to 15 V with I
independent of supply voltage
Splits I
with opto-electrical isolators and similar devices that need unidirectional input and
output signal paths
Low power supply current
ESD protection exceeds 4500 V HBM per JESD22-A114, 450 V MM per
JESD22-A115, and 1400 V CDM per JESD22-C101
Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
Packages offered: SO8 and TSSOP8 (MSOP8)
2
C-bus signal into pairs of forward/reverse TX/RX, TY/RY signals for interface
2
C-bus and a range of other higher capacitance or different voltage
2
C-bus signals
2
C-bus signals into unidirectional TX and RX signals
2
C-bus capacitance, allowing long buses to be driven
2
C-bus logic levels on SX/SY side
2
C-bus-compliant logic levels
Product data sheet

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