LTC1840CGN Linear Technology, LTC1840CGN Datasheet - Page 3

• Manufacturer Part Number: LTC1840CGN
• Description: IC DUAL FAN CONTROLLER 16-SSOP
• Manufacturer: Linear Technology

Specifications of LTC1840CGN

• Applications: Fan Controller
• Number Of Outputs: 2
• Current - Output: 10mA
• Voltage - Supply: 2.7 V ~ 5.75 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Load: -

temperature range, otherwise specifications are at T
SYMBOL
Digital Inputs SCL, SDA
V
V
V
I
C
Digital Output SDA
V
Digital Output FAULT
V
Digital Inputs TACHA, TACHB
V
V
I
Digital Input BLAST
V
V
I
Address Inputs A0, A1
V
V
I
Timing Characteristics
f
t
t
t
t
t
t
t
t
t
t
Note 1: Absolute Maximum Ratings are those values beyond
which the life of a device may be impaired.
ELECTRICAL CHARACTERISTICS
LEAK
LEAK
LEAK
IN
I2C
BUF
hD, STA
su, STA
su, STO
hD, DAT
su, DAT
LOW
HIGH
f
r
IH
IL
LTH
IN
OL
OL
IH
IL
LTH
IHYST
IH
IL
PARAMETER
Digital Input High Voltage
Digital Input Low Voltage
Logic Threshold Voltage
Digital Input Leakage
Digital Input Capacitance
Digital Output Low Voltage
Digital Output Low Voltage
Digital Input High Voltage
Digital Input Low Voltage
Digital Input Leakage
Logic Threshold Voltage
Input Hysteresis
Digital Input Leakage
Input High Voltage
Input Low Voltage
Input Current
I
Bus Free Time Between
Stop and Start Condition
Hold Time after (Repeated)
Start Condition
Repeated Start Condition
Setup Time
Stop Condition Setup Time
Data Hold Time
Data Setup Time
Clock Low Period
Clock High Period
Clock, Data Fall Time
Clock, Data Rise Time
2
C Operating Frequency
A
= 25 C. V
(Note 2)
(Note 2)
CONDITIONS
(Note 2)
V
I
I
V
Measured on BLAST Falling Edge
(Note 2), Measured on Rising Edge
V
AX Shorted to GND or V
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
PULL-UP
PULL-UP
CC
CC
CC
The
= 5V and 0V, V
= 5V and 0V, V
= 5V and 0V, V
= 3mA
= 1mA
CC
denotes the specifications which apply over the full operating
= 3V
Note 2: Guaranteed by design not subject to test.
IN
IN
IN
= GND to V
= GND to V
= GND to V
CC
, V
CC
= 5V
CC
CC
CC
0.7V
0.9V
0.95
MIN
300
250
1.4
4.7
4.7
4.7
4.0
20
0
4
4
CC
CC
TYP
1.0
1
LTC1840
0.3V
0.1V
1000
MAX
1.05
100
300
0.6
0.4
0.4
10
100
1
1
1
CC
CC
UNITS
3
1840f
kHz
mV
pF
ns
ns
ns
ns
V
V
V
A
V
V
V
V
A
V
A
V
V
A
s
s
s
s
s
s