Datasheet LTC1694-1 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | SMBus/I2C Accelerator |
| 页数 / 页 | 8 / 8 — APPLICATIONS INFORMATION. Comparison of SMBus Waveforms for the LTC1694-1 … |
| 文件格式/大小 | PDF / 185 Kb |
| 文件语言 | 英语 |
APPLICATIONS INFORMATION. Comparison of SMBus Waveforms for the LTC1694-1 vs Resistor Pull-Up. PACKAGE DESCRIPTION
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LTC1694-1
U U W U APPLICATIONS INFORMATION Comparison of SMBus Waveforms for the LTC1694-1 vs Resistor Pull-Up
LTC1694-1 1V/DIV LTC1694-1 1V/DIV RPULL-UP RPULL-UP = 15.8k = 10.5k VCC = 5V 1µs/DIV VCC = 3.3V 1µs/DIV CLD = 200pF CLD = 200pF fSMBus = 100kHz 1694 TA03 fSMBus = 100kHz 1694 TA04
U PACKAGE DESCRIPTION S5 Package 5-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1635) 0.62 0.95 2.90 BSC MAX REF (NOTE 4) 1.22 REF 1.50 – 1.75 2.80 BSC 3.85 MAX 2.62 REF 1.4 MIN (NOTE 4) PIN ONE RECOMMENDED SOLDER PAD LAYOUT 0.30 – 0.45 TYP 0.95 BSC PER IPC CALCULATOR 5 PLCS (NOTE 3) 0.80 – 0.90 0.20 BSC 0.01 – 0.10 1.00 MAX DATUM ‘A’ 0.30 – 0.50 REF 0.09 – 0.20 1.90 BSC (NOTE 3) NOTE: S5 TSOT-23 0302 1. DIMENSIONS ARE IN MILLIMETERS 4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR 2. DRAWING NOT TO SCALE 5. MOLD FLASH SHALL NOT EXCEED 0.254mm 3. DIMENSIONS ARE INCLUSIVE OF PLATING 6. JEDEC PACKAGE REFERENCE IS MO-193
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC1380/LTC1393 8-Channel/4-Channel Analog Multiplexer with SMBus interface Low RON and Low Charge Injection LTC1427 10-Bit Current DAC with SMBus Interface 50µA Full-Scale Current LTC1623 Dual High Side Switch Controller with SMBus Interface 8 Selectable Addresses/16 Channel Capability LTC1663 SMBus Interface 10-Bit Rail-to-Rail Micropower DAC DNL < 0.75LSB Max, 5-Lead SOT-23 Package LTC1694 SMBus Accelerator Includes DC and AC Pull-Up Current LT1786F SMBus-Controlled CCFL Switching Regulator 1.25A, 200kHz, Floating or Grounded Lamp Configurations LTC4300A-1/LTC4300A-2 Hot Swappable 2-Wire Bus Buffers Provides Capacitance Buffering, SDA and SCL Hot Swapping, Level Shifting 16941fa LT/TP 0304 REV A 1K • PRINTED IN USA 8 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com LINEAR TECHNOLOGY CORPORATION 1999
U U W U APPLICATIONS INFORMATION Comparison of SMBus Waveforms for the LTC1694-1 vs Resistor Pull-Up
LTC1694-1 1V/DIV LTC1694-1 1V/DIV RPULL-UP RPULL-UP = 15.8k = 10.5k VCC = 5V 1µs/DIV VCC = 3.3V 1µs/DIV CLD = 200pF CLD = 200pF fSMBus = 100kHz 1694 TA03 fSMBus = 100kHz 1694 TA04
U PACKAGE DESCRIPTION S5 Package 5-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1635) 0.62 0.95 2.90 BSC MAX REF (NOTE 4) 1.22 REF 1.50 – 1.75 2.80 BSC 3.85 MAX 2.62 REF 1.4 MIN (NOTE 4) PIN ONE RECOMMENDED SOLDER PAD LAYOUT 0.30 – 0.45 TYP 0.95 BSC PER IPC CALCULATOR 5 PLCS (NOTE 3) 0.80 – 0.90 0.20 BSC 0.01 – 0.10 1.00 MAX DATUM ‘A’ 0.30 – 0.50 REF 0.09 – 0.20 1.90 BSC (NOTE 3) NOTE: S5 TSOT-23 0302 1. DIMENSIONS ARE IN MILLIMETERS 4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR 2. DRAWING NOT TO SCALE 5. MOLD FLASH SHALL NOT EXCEED 0.254mm 3. DIMENSIONS ARE INCLUSIVE OF PLATING 6. JEDEC PACKAGE REFERENCE IS MO-193
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC1380/LTC1393 8-Channel/4-Channel Analog Multiplexer with SMBus interface Low RON and Low Charge Injection LTC1427 10-Bit Current DAC with SMBus Interface 50µA Full-Scale Current LTC1623 Dual High Side Switch Controller with SMBus Interface 8 Selectable Addresses/16 Channel Capability LTC1663 SMBus Interface 10-Bit Rail-to-Rail Micropower DAC DNL < 0.75LSB Max, 5-Lead SOT-23 Package LTC1694 SMBus Accelerator Includes DC and AC Pull-Up Current LT1786F SMBus-Controlled CCFL Switching Regulator 1.25A, 200kHz, Floating or Grounded Lamp Configurations LTC4300A-1/LTC4300A-2 Hot Swappable 2-Wire Bus Buffers Provides Capacitance Buffering, SDA and SCL Hot Swapping, Level Shifting 16941fa LT/TP 0304 REV A 1K • PRINTED IN USA 8 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com LINEAR TECHNOLOGY CORPORATION 1999