MAX6696AEE Maxim Integrated Products, MAX6696AEE Datasheet - Page 16
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MAX6696AEE
Manufacturer Part Number
MAX6696AEE
Description
Board Mount Temperature Sensors
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX6696AEET.pdf
(20 pages)
Specifications of MAX6696AEE
Full Temp Accuracy
+/- 3 C
Package / Case
QSOP-16
Digital Output - Bus Interface
Serial (2-Wire)
Digital Output - Number Of Bits
10 bit + Sign
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Output Type
Digital
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Follow these guidelines to reduce the measurement
error when measuring remote temperature:
1) Place the MAX6695/MAX6696 as close as is practi-
Dual Remote/Local Temperature Sensors with
SMBus Serial Interface
Figure 3. SMBus Write Timing Diagram
Figure 4. SMBus Read Timing Diagram
16
SMBCLK
SMBDATA
SMBCLK
SMBDATA
cal to the remote diode. In noisy environments, such
as a computer motherboard, this distance can be
4in to 8in (typ). This length can be increased if the
worst noise sources are avoided. Noise sources
include CRTs, clock generators, memory buses, and
PCI buses.
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
E = SLAVE PULLS SMBDATA LINE LOW
______________________________________________________________________________________
t
SU:STA
t
SU:STA
A
A
t
HD:STA
t
HD:STA
t
LOW
t
LOW
B
B
t
HIGH
t
HIGH
PC Board Layout
t
SU:DAT
t
SU:DAT
C
C
F = ACKNOWLEDGE BIT CLOCKED INTO MASTER
G = MSB OF DATA CLOCKED INTO SLAVE
H = LSB OF DATA CLOCKED INTO SLAVE
I = MASTER PULLS DATA LINE LOW
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
D
D
E
E
F
F
2) Do not route the DXP-DXN lines next to the deflec-
3) Route the DXP and DXN traces in parallel and in
t
HD:DAT
t
HD:DAT
tion coils of a CRT. Also, do not route the traces
across fast digital signals, which can easily intro-
duce +30°C error, even with good filtering.
close proximity to each other. Each parallel pair of
traces (DXP1 and DXN or DXP2 and DXN) should go
to a remote diode. Connect the two DXN traces at
the MAX6695/MAX6696. Route these traces away
from any higher voltage traces, such as +12VDC.
G
G
H
H
J = ACKNOWLEDGE CLOCKED INTO SLAVE
K = ACKNOWLEDGE CLOCK PULSE
L = STOP CONDITION
M = NEW START CONDITION
J = ACKNOWLEDGE CLOCKED INTO SLAVE
K = ACKNOWLEDGE CLOCK PULSE
L = STOP CONDITION
M = NEW START CONDITION
I
I
J
J
K
K
t
SU:STO
t
SU:STO
L
L
t
BUF
t
BUF
M
M