MAX6681MEE+ Maxim Integrated Products, MAX6681MEE+ Datasheet - Page 4

• Manufacturer Part Number: MAX6681MEE+
• Description: IC TEMP SENSOR SMBUS 16-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX6681MEE+

• Function: Thermometer, Thermostat
• Topology: ADC, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -55°C ~ 125°C, External Sensor
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Full Temp Accuracy: +/- 5 C, +/- 3 C
• Digital Output - Bus Interface: Serial (2-Wire)
• Digital Output - Number Of Bits: 10 bit + Sign
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Ic Output Type: Digital
• Sensing Accuracy Range: ± 1°C
• Supply Current: 550µA
• Supply Voltage Range: 3V To 5.5V
• Resolution (bits): 11bit
• Sensor Case Style: QSOP
• No. Of Pins: 16
• Accuracy %: 1°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

±1°C Fail-Safe Remote/Local Temperature
Sensors with SMBus Interface
(T
4
A
= +25°C, unless otherwise noted.)
10
_______________________________________________________________________________________
-1
-2
-3
9
8
7
6
5
4
3
2
1
0
3
2
1
0
-50
3.0
LOCAL TEMPERATURE ERROR
STANDBY SUPPLY CURRENT
3.5
vs. DIE TEMPERATURE
vs. SUPPLY VOLTAGE
0
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
4.0
50
4.5
-1
3
2
1
0
100
vs. DIFFERENTIAL NOISE FREQUENCY
100
5.0
V
APPLIED TO DXP-DXN
1k
IN
= 10mV
TEMPERATURE ERROR
150
5.5
10k
FREQUENCY (Hz)
P-P
SQUARE WAVE
100k
-0.2
600
500
400
300
200
100
1.2
1.0
0.8
0.6
0.4
0.2
0
0
1M
AVERAGE OPERATING SUPPLY CURRENT
1
vs. POWER-SUPPLY NOISE FREQUENCY
8Hz IS 1°C
RESOLUTION
V
APPLIED TO V
0.1µF V
IN
10M
10
= 100mV SQUARE WAVE
CC
vs. CONVERSION RATE
TEMPERATURE ERROR
100
100M
CONVERSION RATE (Hz)
CAPACITOR
CC
FREQUENCY (Hz)
1k
LOCAL
DIODE
WITH NO
10k
Typical Operating Characteristics
100k
-1
-2
-3
-4
-5
1
0
REMOTE
DIODE
0
1M
10
10M
vs. DXP-DXN CAPACITANCE
20
DXP-DXN CAPACITANCE (nF)
TEMPERATURE ERROR
100M
30
40
50
-1
-2
-3
-1
-2
3
2
1
0
5
4
3
2
1
0
60
-50
vs. COMMON-MODE NOISE FREQUENCY
1
70
V
AC-COUPLED TO DXN
vs. REMOTE-DIODE TEMPERATURE
IN
-25
10
= 100mV
80
TEMPERATURE ERROR
TEMPERATURE ERROR
100
90
0
TEMPERATURE (°C)
P-P
100
FREQUENCY (Hz)
25
1k
SQUARE WAVE
10k
50
100k
75
100
1M
10M
125
100M
150