Datasheet

8
LTC1694-1
16941fa
LT/TP 0304 REV A 1K • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 1999
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
APPLICATIONS INFORMATION
WUU
U
V
CC
= 5V 1µs/DIV
C
LD
= 200pF
f
SMBus
= 100kHz 1694 TA03
V
CC
= 3.3V 1µs/DIV
C
LD
= 200pF
f
SMBus
= 100kHz 1694 TA04
Comparison of SMBus Waveforms for the LTC1694-1 vs Resistor Pull-Up
R
PULL-UP
= 15.8k
LTC1694-1
1V/DIV
LTC1694-1
1V/DIV
R
PULL-UP
= 10.5k
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1380/LTC1393 8-Channel/4-Channel Analog Multiplexer with SMBus interface Low R
ON
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
PACKAGE DESCRIPTION
U
S5 Package
5-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1635)
1.50 – 1.75
(NOTE 4)
2.80 BSC
0.30 – 0.45 TYP
5 PLCS (NOTE 3)
DATUM ‘A’
0.09 – 0.20
(NOTE 3)
S5 TSOT-23 0302
PIN ONE
2.90 BSC
(NOTE 4)
0.95 BSC
1.90 BSC
0.80 – 0.90
1.00 MAX
0.01 – 0.10
0.20 BSC
0.30 – 0.50 REF
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
3.85 MAX
0.62
MAX
0.95
REF
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
1.4 MIN
2.62 REF
1.22 REF
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193