MAX6698UE38+ Maxim Integrated Products, MAX6698UE38+ Datasheet - Page 12

• 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

Status registers 1, 2, and 3 (Tables 8, 9, 10) indicate
which (if any) temperature thresholds have been
exceeded and if there is an open-circuit or short-circuit
fault detected with the external sense junctions. Status
register 1 indicates if the measured temperature has
exceeded the threshold limit set in the ALERT registers
for the local or remote-sensing diodes. Status register 2
indicates if the measured temperature has exceeded
the threshold limit set in the OVERT registers. Status
register 3 indicates if there is a diode fault (open or
short) in any of the remote-sensing channels.
7-Channel Precision Remote-Diode, Thermistor,
and Local Temperature Monitor
Table 5. Configuration 1 Register
Table 6. Configuration 2 Register
12
7(MSB)
7(MSB)
BIT
BIT
______________________________________________________________________________________
6
5
4
3
2
1
0
6
5
4
3
2
1
0
Mask Thermistor 3ALERT
Mask Thermistor 2ALERT
Mask Thermistor 1ALERT
Mask Remote-Diode
Mask Remote-Diode
Mask Remote-Diode
Fast remote 1
Mask Local ALERT
cancellation
Resistance
TIMEOUT
Reserved
Reserved
Reserved
NAME
STOP
POR
Status Registers Functions
Reserved
3ALERT
2ALERT
2ALERT
NAME
STATE
POR
0
0
0
0
0
0
0
0
POR STATE
0
0
0
0
0
0
0
0
Standby Mode Control Bit. If STOP is set to logic 1, the MAX6698 stops
converting and enters standby mode.
Reset Bit. Set to logic 1 to put the device into its power-on state. This bit is self-
clearing.
Timeout Enable Bit. Set to logic 0 to enable SMBus timeout.
Channel 1 Fast Conversion Bit. Set to logic 1 to enable fast conversion of
channel 1.
Resistance Cancellation Bit. When set to logic 1, the MAX6698 cancels series
resistance in the channel 1 thermal diode.
—
—
—
—
Local Alert Mask. Set to logic 1 to mask local channel ALERT.
Thermistor 3 Alert Mask. Set to logic 1 to mask thermistor 3 ALERT.
Thermistor 2 Alert Mask. Set to logic 1 to mask thermistor 2 ALERT.
Thermistor 1 Alert Mask. Set to logic 1 to mask thermistor 1 ALERT.
Remote-Diode 3 Alert Interrupt Mask. Set to logic 1 to mask remote
diode 3 ALERT.
Remote-Diode 2 Alert Interrupt Mask. Set to logic 1 to mask remote
diode 2 ALERT.
Remote-Diode 1 Alert Interrupt Mask. Set to logic 1 to mask remote
diode 1 ALERT.
Bits in the alert status register clear by a successful
read, but set again after the next conversion unless the
fault is corrected, either by a drop in the measured tem-
perature or an increase in the threshold temperature.
The ALERT interrupt output follows the status flag bit.
Once the ALERT output is asserted, it can be deassert-
ed by either reading status register 1 or by successfully
responding to an alert response address. In both cases,
the alert is cleared even if the fault condition exists, but
the ALERT output reasserts at the end of the next con-
version. Reading the status 2 register does not clear the
OVERT interrupt output. To eliminate the fault condition,
FUNCTION
FUNCTION