Datasheet

LTC4303
2
4303fb
ABSOLUTE AXI U RATI GS
W
WW
U
FOR ATIOPACKAGE/ORDER I
UUW
V
CC
to GND .................................................. –0.3V to 7V
SDAIN, SCLIN, SDAOUT, SCLOUT,
READY, ENABLE ...........................................–0.3V to 7V
Operating Temperature
LTC4303C ................................................ 0°C to 70°C
LTC4303I .............................................–40°C to 85°C
(Notes 1, 2)
SDAIN, SCLIN, SDAOUT, SCLOUT, READY
(Note 3) ..................................................................30mA
Storage Temperature Range
MSOP ................................................–65°C to 150°C
DFN ....................................................–65°C to 125°C
Lead Temperature (Soldering, 10sec)
MSOP ............................................................... 300°C
ELECTRICAL CHARACTERISTICS
The ● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 2.7V to 5.5V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Power Supply
V
CC
Positive Supply Voltage ● 2.7 5.5 V
I
CC
Supply Current V
CC
= 5.5V, V
SDAIN
= V
SDAOUT
= 0V (Note 7) ● 6 8 mA
Supply Current, ENABLE = GND V
CC
= 5.5V 1.5 mA
Startup Circuitry
V
PRE
Precharge Voltage SDA, SCL Floating, V
CC
= 5.5V ● 0.8 1 1.2 V
T
IDLE
Bus Idle Time ● 60 95 175 µs
V
OL_READY
READY Output Low Voltage I
PULLUP
= 3mA ● 0.4 V
I
PULLUP
= 6mA, V
CC
= 4.7V ● 0.4 V
V
THR_ENABLE
ENABLE Threshold ● 0.8 1.4 2 V
I
ENABLE
ENABLE Input Current ENABLE from 0 to V
CC
● 0.1 ±1.5 µA
V
THR
SDA, SCL Logic Input Threshold Voltage Rising Edge ● 1.6 1.8 2 V
T
JMAX
= 125°C, θ
JA
= 200°C/W
T
JMAX
= 125°C, θ
JA
= 43°C/W
TOP VIEW
DD PACKAGE
8-LEAD (3mm × 3mm) PLASTIC DFN
5
6
7
8
4
3
2
1ENABLE
SCLOUT
SCLIN
GND
V
CC
SDAOUT
SDAIN
READY
EXPOSED PAD (PIN 9)
PCB CONNECTION OPTIONAL
9
1
2
3
4
ENABLE
SCLOUT
SCLIN
GND
8
7
6
5
V
CC
SDAOUT
SDAIN
READY
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
ORDER PART NUMBER DD PART MARKING* ORDER PART NUMBER MS8 PART MARKING*
LTC4303CDD
LTC4303IDD
LBPZ LTC4303CMS8
LTC4303IMS8
LTBPY
Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.