MAX6698UE38+ Maxim Integrated Products, MAX6698UE38+ Datasheet - Page 9

• Manufacturer Part Number: MAX6698UE38+
• Description: IC TEMP MONITOR 7CH 16-TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX6698UE38+

• Function: Temp Monitoring System (Sensor)
• Topology: ADC, Buffer, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Full Temp Accuracy: +/- 3.5 C, +/- 3 C
• Digital Output - Bus Interface: Serial (2-Wire)
• Digital Output - Number Of Bits: 11 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 3. SMBus Write Timing Diagram
Figure 4. SMBus Read Timing Diagram
Table 2. Main Temperature Register (High
Byte) Data Format
SMBCLK
SMBDATA
7-Channel Precision Remote-Diode, Thermistor,
SMBCLK
SMBDATA
A = START CONDITION
B = MSB OF ADDRESS CLOCKED INTO SLAVE
C = LSB OF ADDRESS CLOCKED INTO SLAVE
D = R/W BIT CLOCKED INTO SLAVE
E = SLAVE PULLS SMBDATA LINE LOW
A = START CONDITION
B = MSB OF ADDRESS CLOCKED INTO SLAVE
C = LSB OF ADDRESS CLOCKED INTO SLAVE
D = R/W BIT CLOCKED INTO SLAVE
Diode fault (open)
Diode fault (short)
t
SU:STA
TEMP (°C)
t
SU:STA
<0.00
>127
0.00
127
126
A
25
t
HD:STA
A
t
HD:STA
_______________________________________________________________________________________
t
LOW
t
LOW
B
t
HIGH
B
t
HIGH
1111 1111 or 1110 1110
t
SU:DAT
DIGITAL OUTPUT
t
C
SU:DAT
0111 1111
0111 1111
0111 1110
0000 0000
0000 0000
1111 1111
C
00011001
and Local Temperature Monitor
F = ACKNOWLEDGE BIT CLOCKED INTO MASTER
G = MSB OF DATA CLOCKED INTO MASTER
H = LSB OF DATA CLOCKED INTO MASTER
I = MASTER PULLS DATA LINE LOW
E = SLAVE PULLS SMBDATA LINE LOW
F = ACKNOWLEDGE BIT CLOCKED INTO MASTER
G = MSB OF DATA CLOCKED INTO SLAVE
H = LSB OF DATA CLOCKED INTO SLAVE
D
D
E
F
E
F
Table 3. Extended Resolution
Temperature Register (Low Byte) Data
Format
t
HD:DAT
G
G
TEMP (°C)
+0.125
+0.250
+0.375
+0.500
+0.625
+0.725
+0.875
0
I = MASTER PULLS DATA LINE LOW
J = ACKNOWLEDGE CLOCKED INTO SLAVE
K = ACKNOWLEDGE CLOCK PULSE
L = STOP CONDITION
M = NEW START CONDITION
H
H
J = ACKNOWLEDGE CLOCKED INTO SLAVE
K = ACKNOWLEDGE CLOCK PULSE
L = STOP CONDITION
M = NEW START CONDITION
I
I
J K
J
K
DIGITAL OUTPUT
000X XXXX
001X XXXX
010X XXXX
011X XXXX
100X XXXX
101X XXXX
110X XXXX
111X XXXX
t
SU:STO
t
SU:STO
L
L
t
BUF
t
BUF
M
M
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