Datasheet

LTC4305
4305f
20
PART NUMBER DESCRIPTION COMMENTS
LTC1380/LTC1393 Single-Ended 8-Channel/Differential 4-Channel Analog Low R
ON
: 35 Single-Ended/70 Differential,
Mux with SMBus Interface Expandable to 32 Single or 16 Differential Channels
LTC1427-50 Micropower, 10-Bit Current Output DAC Precision 50µA ± 2.5% Tolerance Over Temperature,
with SMBus Interface 4 Selectable SMBus Addresses, DAC Powers up at Zero or Midscale
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/LTC1694-1 SMBus Accelerator Improved SMBus/I
2
C Rise-Time,
Ensures Data Integrity with Multiple SMBus/I
2
C Devices
LT1786F SMBus Controlled CCFL Switching Regulator 1.25A, 200kHz, Floating or Grounded Lamp Configurations
LTC1695 SMBus/I
2
C Fan Speed Controller in ThinSOT™ 0.75 PMOS 180mA Regulator, 6-Bit DAC
LTC1840 Dual I
2
C Fan Speed Controller Two 100µA 8-Bit DACs, Two Tach Inputs, Four GPI0
LTC4300A-1/LTC4300A-2 Hot Swappable 2-Wire Bus Buffer Isolates Backplane and Card Capacitances
LTC4300A-3 Hot Swappable 2-Wire Bus Buffer Provides Level Shifting and Enable Functions
LTC4301 Supply Independent Hot Swappable 2-Wire Bus Buffer Supply Independent
LTC4301L Hot Swappable 2-Wire Bus Buffer Allows Bus Pull-Up Voltages as Low as 1V on SDAIN and SCLIN
with Low Voltage Level Translation
LTC4302-1/LTC4302-2 Addressable 2-Wire Bus Buffer Address Expansion, GPIO, Software Controlled
LTC4303/LTC4304 Hot Swappable 2-Wire Bus Buffer with Stuck Provides Automatic Clocking to Free Stuck I
2
C Busses
Bus Recovery
LTC4306 4-Channel 2-Wire Multiplexer with Capacitance 4 Selectable Downstream Buses, Stuck Bus Disconnect, Rise Time
Buffering Accelerators, Fault Reporting, ±10kV HBM ESD Tolerance
ThinSOT is a trademark of Linear Technology Corporation.
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2005
LT/LWI/TP 0805 500 • PRINTED IN USA
Figure 8. Alternate Hot-Swapping Application
V
CC
V
CC
V
CC2
R5
10k
C1
0.01µF
R6
10k
R7
10k
R3
10k
R4
10k
R1
10k
R2
10k
ADDRESS = 1010 000
VOLTAGE
MONITOR
R8
10k
R9
10k
R10
10k
I/O CARD
4305 F08
TEMPERATURE
SENSOR
MICRO-
CONTROLLER
V
CC
SCLIN
SDAIN
ENABLE
ALERT
READY
ADR2
ADR1
OPEN
ADR0
GND
SCL1
SDA1
ALERT1
SCL2
SDA2
ALERT2
LTC4305
TYPICAL APPLICATIO
U