MAX6636UP9A+ Maxim Integrated Products, MAX6636UP9A+ Datasheet - Page 17
![IC PREC TEMP MONITOR 7CH 20TSSOP](/photos/6/52/65243/175-20-tssop_sml.jpg)
MAX6636UP9A+
Manufacturer Part Number
MAX6636UP9A+
Description
IC PREC TEMP MONITOR 7CH 20TSSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX6636UP9A.pdf
(18 pages)
Specifications of MAX6636UP9A+
Function
Temp Monitoring System (Sensor)
Topology
ADC, Buffer, Register Bank
Sensor Type
External & Internal
Sensing Temperature
-40°C ~ 125°C, External Sensor
Output Type
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
20-TSSOP
Full Temp Accuracy
- 0.1 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
Use a twisted-pair cable to connect the remote sensor
for remote-sensor distances longer than 8in or in very
noisy environments. Twisted-pair cable lengths can be
between 6ft and 12ft before noise introduces excessive
errors. For longer distances, the best solution is a
shielded twisted pair like that used for audio micro-
phones. For example, Belden 8451 works well for dis-
tances up to 100ft in a noisy environment. At the
device, connect the twisted pair to DXP and DXN and
the shield to GND. Leave the shield unconnected at the
remote sensor. For very long cable runs, the cable’s
parasitic capacitance often provides noise filtering, so
the 2200pF capacitor can often be removed or reduced
in value. Cable resistance also affects remote-sensor
accuracy. For every 1Ω of series resistance the error is
approximately +1/2°C.
PROCESS: BiCMOS
Twisted-Pair and Shielded Cables
7-Channel Precision Temperature Monitor
______________________________________________________________________________________
Chip Information
TOP VIEW
DXP1
DXN1
DXP2
DXN2
DXP3
DXN3
DXP4
DXN4
DXP5
DXN5
10
1
2
3
4
5
6
7
8
9
+
MAX6636
TSSOP
Pin Configuration
20
19
18
17
16
15
14
13
12
11
GND
SMBCLK
SMBDATA
ALERT
V
OVERT
N.C.
STBY
DXP6
DXN6
CC
17