LTC4305IGN Linear Technology, LTC4305IGN Datasheet - Page 20

• Manufacturer Part Number: LTC4305IGN
• Description: IC BUFFER BUS 2WR ADDRESS 16SSOP
• Manufacturer: Linear Technology

Specifications of LTC4305IGN

• Applications: Multiplexer with Amplifier
• Interface: SMBus (2-Wire/I²C)
• Voltage - Supply: 2.2 V ~ 5.5 V
• Package / Case: 16-SSOP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC4305
20
TYPICAL APPLICATIO
RELATED PARTS
PART NUMBER
LTC1380/LTC1393
LTC1427-50
LTC1623
LTC1663
LTC1694/LTC1694-1
LT1786F
LTC1695
LTC1840
LTC4300A-1/LTC4300A-2 Hot Swappable 2-Wire Bus Buffer
LTC4300A-3
LTC4301
LTC4301L
LTC4302-1/LTC4302-2
LTC4303/LTC4304
LTC4306
ThinSOT is a trademark of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
CONTROLLER
MICRO-
●
DESCRIPTION
Single-Ended 8-Channel/Differential 4-Channel Analog
Mux with SMBus Interface
Micropower, 10-Bit Current Output DAC
with SMBus Interface
Dual High Side Switch Controller with SMBus Interface
SMBus Interface 10-Bit Rail-to-Rail Micropower DAC
SMBus Accelerator
SMBus Controlled CCFL Switching Regulator
SMBus/I
Dual I
Hot Swappable 2-Wire Bus Buffer
Supply Independent Hot Swappable 2-Wire Bus Buffer
Hot Swappable 2-Wire Bus Buffer
with Low Voltage Level Translation
Addressable 2-Wire Bus Buffer
Hot Swappable 2-Wire Bus Buffer with Stuck
Bus Recovery
4-Channel 2-Wire Multiplexer with Capacitance
Buffering
FAX: [phone]
2
C Fan Speed Controller
2
C Fan Speed Controller in ThinSOT™
R1
10k
U
R2
10k
V
●
CC
R3
10k
Figure 8. Alternate Hot-Swapping Application
www.linear.com
OPEN
V
CC
R4
10k
SCLIN
SDAIN
ENABLE
ALERT
READY
ADR2
ADR1
ADR0
GND
ADDRESS = 1010 000
LTC4305
V
CC
ALERT1
ALERT2
SDA1
SDA2
SCL1
SCL2
C1
0.01µF
COMMENTS
Low R
Expandable to 32 Single or 16 Differential Channels
Precision 50µA ± 2.5% Tolerance Over Temperature,
4 Selectable SMBus Addresses, DAC Powers up at Zero or Midscale
8 Selectable Addresses/16-Channel Capability
DNL < 0.75LSB Max, 5-Lead SOT-23 Package
Improved SMBus/I
Ensures Data Integrity with Multiple SMBus/I
1.25A, 200kHz, Floating or Grounded Lamp Configurations
0.75Ω PMOS 180mA Regulator, 6-Bit DAC
Two 100µA 8-Bit DACs, Two Tach Inputs, Four GPI0
Isolates Backplane and Card Capacitances
Provides Level Shifting and Enable Functions
Supply Independent
Allows Bus Pull-Up Voltages as Low as 1V on SDAIN and SCLIN
Address Expansion, GPIO, Software Controlled
Provides Automatic Clocking to Free Stuck I
4 Selectable Downstream Buses, Stuck Bus Disconnect, Rise Time
Accelerators, Fault Reporting, ±10kV HBM ESD Tolerance
R5
10k
R8
10k
ON
: 35Ω Single-Ended/70Ω Differential,
R6
10k
R9
10k
V
CC2
R7
10k
R10
10k
2
C Rise-Time,
© LINEAR TECHNOLOGY CORPORATION 2005
TEMPERATURE
LT/LWI/TP 0805 500 • PRINTED IN USA
MONITOR
VOLTAGE
I/O CARD
SENSOR
2
4305 F08
2
C Busses
C Devices
4305f