emc1428 Standard Microsystems Corp., emc1428 Datasheet - Page 10

• Manufacturer Part Number: emc1428
• Description: 1 Degree C Multiple Temperature Sensor With Hw Thermal Shutdown
• Manufacturer: Standard Microsystems Corp.

Revision 0.68 (07-08-08)
2.3
Temperature Accuracy
Temperature Resolution
Temperature Accuracy
Temperature Resolution
Conversion Time all
Channels
Capacitive Filter
Resistance Error
Correction
Decoded Temperature
Accuracy
Output Low Voltage
Leakage Current
First conversion ready
SMBus delay
CHARACTERISTIC
CHARACTERISTIC
V
DD
V
DD
SMBus Electrical Characteristics
= 3.0V to 3.6V, T
= 3.0V to 3.6V, T
Note 2.1
If a 1% resistor is used for RSET, then it is guaranteed to decode as shown in
t
C
R
T
V
I
t
t
SYMBOL
A
CONV
LEAK
CONV_f
SMB_d
SYMBOL
SET
FILTER
SERIES
OL
= -40°C to 125°C, all typical values are at T
A
= -40°C to 125°C, all typical values at T
Table 2.2 Electrical Specifications (continued)
Table 2.3 SMBus Electrical Specifications
MIN
External Temperature Monitor
ALERT and SYS_SHDN pins
Internal Temperature Monitor
MIN
TRIP_SET Measurement
1°C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
DATASHEET
Power Up Timing
SMBus Interface
±0.25
0.125
±0.25
±0.5
0.125
190
2.2
TYP
TYP
10
±1
±2
±1
±2
2.7
100
0.5
0.4
±5
300
15
MAX
MAX
UNITS
°C
°C
°C
°C
°C
°C
ms
nF
Ω
°C
V
uA
ms
ms
UNITS
A
= 27°C unless otherwise noted.
A
= 27°C unless otherwise noted.
0°C < T
-40°C < T
+40°C < T
0°C < T
-40°C < T
default settings
In series with DP and DN lines
R
(see
I
powered or unpowered
T
Time after power up before all
channels updated with valid data
Delay before SMBus
communications should be sent by
host
Connected across external diode
SINK
A
SET
< 85°C
Note
= 8mA
= 1% resistor
A
A
< 100°C
A
< 110°C
DIODE
DIODE
2.1)
CONDITIONS
CONDITIONS
< 125°C
< 127°C
< +110°C
SMSC EMC1428
Table
Datasheet
4.1.