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PCA9600
Datasheet
General description
The PCA9600 is designed to isolate I2C-bus capacitance, allowing long buses to be driven 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 I2C-bus and a range of other higher capacitance or different voltage 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 I2C-bus-compliant logic levels such as SMBus, PMBus, or with microprocessors that use those same TTL logic levels.
The separation of the bidirectional I2C-bus signals into unidirectional TX and RX signals 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.
Features
- Bidirectional data transfer of I2C-bus signals
- 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 I2C-bus logic levels on SX/SY side independent of supply voltage
- Splits I2C-bus signal into pairs of forward/reverse TX/RX, TY/RY signals for interface 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)
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| PCA9600D | PCA9600D | 9352 852 43112 | Volume production | SOT96 | Tube | Standard Marking | PCA9600D
| |
| PCA9600D | PCA9600D-T | 9352 852 43118 | Volume production | SOT96 | Reel Pack, SMD, 13" | Standard Marking | PCA9600D
| |
| PCA9600DP | PCA9600DP-T | 9352 852 44118 | Volume production | SOT505 | Reel Pack, SMD, 13" | Standard Marking | PCA9600DP
|
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| PCA9600D | 9352 852 43112 | not available | ||||||
| PCA9600D | 9352 852 43118 | Order samples | ||||||
| PCA9600DP | 9352 852 44118 | Order samples |
Applications
- Interface between I2C-buses operating at different logic levels (for example, 5 V and 3 V or 15 V)
- Interface between I2C-bus and SMBus (350 uA) 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 1 MHz
- Long distance point-to-point or multipoint architectures
Related applications
Digital media adapters
LCD display - discretes focus
PDA - discretes focus
Motherboard components
50-60 Hz CRT integrated DTV (TV210D)
Mid-range integrated DTV (TV810)
Intelligent washing machine
PCI analog/DVB-T stereo TV receiver
Nexperia UMA-enabled GSM/GPRS/EDGE VAS system solution (6100)
Transceiver board
Main CPU board
Cellular phone - MMS functionality
LCD TV - MMS functionality
Set-top box - MMS functionality
Technical documents
Application Notes
Support Documents
75011212;
I2C 2002-1A Evaluation Board Kit (01-Mar-03)
UM10204_3;
I2C-bus specification and user manual (26-Jun-07)
75016532;
NXP 2-channel I (2008-07-01)
75016527;
NXP I (2008-05-01)
75016189;
NXP I (2008-06-01)
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