ltc1694-1is5-trpbf Linear Technology Corporation, ltc1694-1is5-trpbf Datasheet - Page 8

• Manufacturer Part Number: ltc1694-1is5-trpbf
• Description: Smbus/i?c Accelerator
• Manufacturer: Linear Technology Corporation

APPLICATIO S I FOR ATIO
LTC1694
RELATED PARTS
PART NUMBER
LTC1380/LTC1393
LTC1427-50
LTC1623
LTC1663
LTC1694-1
LTC1695
LTC1710
LTC1759
LT1786F
LTC4300A-1/LTC4300A-2 Hot Swappable 2-Wire Bus Buffers
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
1V/DIV
V
C
f
SMBus
CC
LD
= 5V
= 200pF
U
= 100kHz
DESCRIPTION
8-Channel/4-Channel Analog Multiplexer with SMBus Interface
10-Bit Current DAC with SMBus Interface
Dual High Side Switch Controller with SMBus Interface
SMBus Interface 10-Bit Rail-to-Rail Micropower DAC
SMBus/I
SMBus/I
SMBus Dual High Side Switch
Single Chip Smart Battery Charger Controller with SMBus
Interface
SMBus-Controlled CCFL Switching Regulator
LTC1694
U
2
2
Comparison of SMBus Waveforms for the LTC1694 vs Resistor Pull-Up
C Accelerator
C Fan-Speed Controller in SOT-23
1 s/DIV
R
= 15.8k
PULL-UP
W
www.linear.com
U
1694 TA03
1V/DIV
V
C
f
SMBus
CC
LD
= 3.3V
= 200pF
= 100kHz
COMMENTS
Low R
50 A Full-Scale Current
8 Selectable Addresses/16 Channel Capability
DNL < 0.75LSB Max, 5-Lead SOT-23 Package
Includes AC Pull-Up Current Only
0.75 PMOS Linear Regulator with 180mA Output Current,
SMBus-Controlled 6-Bit DAC
Two 0.4 , 300mA N-Channel Switches
94% Efficiency with Input Current Limiting, Up to 8A I
1.25A, 200kHz, Floating or Grounded Lamp Configurations
Provides Capacitance Buffering, SDA and SCL Hot
Swapping, Level Shifting
LTC1694
ON
and Low Charge Injection
1 s/DIV
R
= 10.5k
PULL-UP
LINEAR TECHNOLOGY CORPORATION 1998
LT/TP 0304 REV A 1K • PRINTED IN USA
1694 TA04
CHG
1694fa