Datasheet LTC4312 (Analog Devices) - 20
| 制造商 | Analog Devices |
| 描述 | Pin-Selectable, 2-Channel, 2-Wire Multiplexer with Bus Buffers |
| 页数 / 页 | 20 / 20 — TYPICAL APPLICATION. Level Translating 2.5V, 3.3V and 5V Busses and … |
| 文件格式/大小 | PDF / 200 Kb |
| 文件语言 | 英语 |
TYPICAL APPLICATION. Level Translating 2.5V, 3.3V and 5V Busses and Operation with a Non-Compliant I2C Device
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LTC4312
TYPICAL APPLICATION Level Translating 2.5V, 3.3V and 5V Busses and Operation with a Non-Compliant I2C Device
3.3V 5V C1 C2 0.01μF R1 R2 V R3 R4 0.01μF CC VCC2 10k 10k 10k 10k SCLIN SDAIN ENABLE1 SCLOUT1 SCLOUT1 ENABLE2 SDAOUT1 SDAOUT1 LTC4312 2.5V NON-COMPLIANT I2C DEVICE VOL = 0.6V 3.3V R5 R6 ACC 10k 10k DISCEN SCLOUT2 SCLOUT2 SDAOUT2 SDAOUT2 GND 4312 TA02
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC4300A-1/ Hot-Swappable 2-Wire Bus Buffers -1: Bus Buffer with READY and ENABLE LTC4300A-2/ -2: Dual Supply Buffer with ACC LTC4300A-3 -3: Dual Supply Buffer with ENABLE LTC4302-1/ Addressable 2-Wire Bus Buffer Address Expansion, GPIO, Software Controlled LTC4302-2 LTC4303 Hot-Swappable 2-Wire Bus Buffer with Stuck Bus Provides Automatic Clocking to Free Stuck I2C Busses LTC4304 Recovery LTC4305 2- or 4-Channel, 2-Wire Bus Multiplexers with 2 or 4 Software Selectable Downstream Busses, Stuck Bus Disconnect, Rise LTC4306 Capacitance Buffering Time Accelerators, Fault Reporting, ±10kV HBM ESD Tolerance LTC4307 Low Offset Hot-Swappable 2-Wire Bus Buffer with 60mV Bus Offset, 30ms Stuck Bus Disconnect and Recovery, Rise Time Stuck Bus Recovery Accelerators, ±5kV HBM ESD Tolerance LTC4307-1 High Defi nition Multimedia Interface (HDMI) Level 60mV Buffer Offset, 3.3V to 5V Level Shifting, ±5kV HBM ESD Tolerance Shifting 2-Wire Bus Buffer LTC4308 Low Voltage, Level Shifting Hot-Swappable 2-Wire Bus Buffer with ENABLE and READY, Level Translation to 1V Busses, Bus Buffer with Stuck Bus Recovery Output Side Rise Time Accelerators LTC4309 Low Offset Hot-Swappable 2-Wire Bus Buffer with 60mV Buffer Offset, 30ms Stuck Bus Disconnect and Recovery, Rise Time Stuck Bus Recovery Accelerators, ±5kV HBM ESD Tolerance LTC4310-1/ Hot-Swappable I2C Isolators -1: 100kHz Bus LTC4310-2 -2: 400kHz Bus LTC4311 Low Voltage I2C/SMBus Accelerator Rise Time Acceleration with ENABLE and ±8kV HBM ESD Tolerance LTC4314 Pin-Selectable, 4-Channel, 2-Wire Multiplexer with 4 Pin-Selectable Downstream Busses, Stuck Bus Disconnect and Recovery, Bus Buffer Selectable Rise Time Accelerator Current and Activation Voltage, ±4kV HBM ESD Tolerance LTC4301 Supply Independent Hot Swappable 2-Wire Bus Buffer Bus Buffer with 1V Pre-Charge, CS and READY LTC4301L Hot-Swappable 2-Wire Bus Buffer with Low Voltage Bus Buffer with CS and READY Allowing for Input Bus Voltages of Up to 1V Level Translation LTC1694-1 SMBus/I2C Accelerator Rise Time Accelerator 4312f 20 Linear Technology Corporation LT 1210 • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com © LINEAR TECHNOLOGY CORPORATION 2010
TYPICAL APPLICATION Level Translating 2.5V, 3.3V and 5V Busses and Operation with a Non-Compliant I2C Device
3.3V 5V C1 C2 0.01μF R1 R2 V R3 R4 0.01μF CC VCC2 10k 10k 10k 10k SCLIN SDAIN ENABLE1 SCLOUT1 SCLOUT1 ENABLE2 SDAOUT1 SDAOUT1 LTC4312 2.5V NON-COMPLIANT I2C DEVICE VOL = 0.6V 3.3V R5 R6 ACC 10k 10k DISCEN SCLOUT2 SCLOUT2 SDAOUT2 SDAOUT2 GND 4312 TA02
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC4300A-1/ Hot-Swappable 2-Wire Bus Buffers -1: Bus Buffer with READY and ENABLE LTC4300A-2/ -2: Dual Supply Buffer with ACC LTC4300A-3 -3: Dual Supply Buffer with ENABLE LTC4302-1/ Addressable 2-Wire Bus Buffer Address Expansion, GPIO, Software Controlled LTC4302-2 LTC4303 Hot-Swappable 2-Wire Bus Buffer with Stuck Bus Provides Automatic Clocking to Free Stuck I2C Busses LTC4304 Recovery LTC4305 2- or 4-Channel, 2-Wire Bus Multiplexers with 2 or 4 Software Selectable Downstream Busses, Stuck Bus Disconnect, Rise LTC4306 Capacitance Buffering Time Accelerators, Fault Reporting, ±10kV HBM ESD Tolerance LTC4307 Low Offset Hot-Swappable 2-Wire Bus Buffer with 60mV Bus Offset, 30ms Stuck Bus Disconnect and Recovery, Rise Time Stuck Bus Recovery Accelerators, ±5kV HBM ESD Tolerance LTC4307-1 High Defi nition Multimedia Interface (HDMI) Level 60mV Buffer Offset, 3.3V to 5V Level Shifting, ±5kV HBM ESD Tolerance Shifting 2-Wire Bus Buffer LTC4308 Low Voltage, Level Shifting Hot-Swappable 2-Wire Bus Buffer with ENABLE and READY, Level Translation to 1V Busses, Bus Buffer with Stuck Bus Recovery Output Side Rise Time Accelerators LTC4309 Low Offset Hot-Swappable 2-Wire Bus Buffer with 60mV Buffer Offset, 30ms Stuck Bus Disconnect and Recovery, Rise Time Stuck Bus Recovery Accelerators, ±5kV HBM ESD Tolerance LTC4310-1/ Hot-Swappable I2C Isolators -1: 100kHz Bus LTC4310-2 -2: 400kHz Bus LTC4311 Low Voltage I2C/SMBus Accelerator Rise Time Acceleration with ENABLE and ±8kV HBM ESD Tolerance LTC4314 Pin-Selectable, 4-Channel, 2-Wire Multiplexer with 4 Pin-Selectable Downstream Busses, Stuck Bus Disconnect and Recovery, Bus Buffer Selectable Rise Time Accelerator Current and Activation Voltage, ±4kV HBM ESD Tolerance LTC4301 Supply Independent Hot Swappable 2-Wire Bus Buffer Bus Buffer with 1V Pre-Charge, CS and READY LTC4301L Hot-Swappable 2-Wire Bus Buffer with Low Voltage Bus Buffer with CS and READY Allowing for Input Bus Voltages of Up to 1V Level Translation LTC1694-1 SMBus/I2C Accelerator Rise Time Accelerator 4312f 20 Linear Technology Corporation LT 1210 • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com © LINEAR TECHNOLOGY CORPORATION 2010