5-Channel Precision Temperature Monitor
with Beta Compensation
6  _______________________________________________________________________________________
Pin Description
PIN
TSSOP
TQFN-EP
NAME
FUNCTION
1
15
DXP1
Combined Current Source and A/D Positive Input for Channel 1 Remote Transistor.
Connect to the emitter of a low beta transistor. Leave unconnected or connect to V
CC
 if
no remote transistor is used. Place a 100pF capacitor between DXP1 and DXN1 for
noise filtering.
2
16
DXN1
Base Input for Channel 1 Remote Diode. Connect to the base of a pnp temperature-
sensing transistor.
3
1
DXP2
Combined Current Source and A/D Positive Input for Channel 2 Remote Diode. Connect
to the anode of a remote-diode-connected temperature-sensing transistor. Leave
unconnected or connect to V
CC
 if no remote diode is used. Place a 100pF capacitor
between DXP2 and DXN2 for noise filtering.
4
2
DXN2
Cathode Input for Channel 2 Remote Diode. Connect the cathode of the channel 2
remote-diode-connected transistor to DXN2.
5
3
DXP3
Combined Current Source and A/D Positive Input for Channel 3 Remote Diode. Connect
to the anode of a remote-diode-connected temperature-sensing transistor. Leave
unconnected or connect to V
CC
 if no remote diode is used. Place a 100pF capacitor
between DXP3 and DXN3 for noise filtering.
6
4
DXN3
Cathode Input for Channel 3 Remote Diode. Connect the cathode of the channel 3
remote-diode-connected transistor to DXN3.
7
5
DXP4
Combined Current Source and A/D Positive Input for Channel 4 Remote Diode. Connect
to the anode of a remote-diode-connected temperature-sensing transistor. Leave
unconnected or connect to V
CC
 if no remote diode is used. Place a 100pF capacitor
between DXP4 and DXN4 for noise filtering.
8
6
DXN4
Cathode Input for Channel 4 Remote Diode. Connect the cathode of the channel 4
remote-diode-connected transistor to DXN4.
9
7
STBY
Active-Low Standby Input. Drive STBY low to place the MAX6694 in standby mode, or
high for operate mode. Temperature and threshold data are retained in standby mode.
10
8
N.C.
No Connection. Must be connected to ground.
11
9
OVERT
Overtemperature Active-Low, Open-Drain Output. OVERT asserts low when the
temperature of channels 1 and 4 exceeds the programmed threshold limit.
12
10
V
CC
Supply Voltage Input. Bypass to GND with a 0.1礔 capacitor.
13
11
ALERT
SMBus Alert (Interrupt), Active-Low, Open-Drain Output. ALERT asserts low when the
temperature of any channel exceeds the programmed ALERT threshold.
14
12
SMBDATA    SMBus Serial Data Input/Output. Connect to a pullup resistor.
15
13
SMBCLK
SMBus Serial Clock Input. Connect to a pullup resistor.
16
14
GND
Ground


EP
Exposed Pad. Connect to a large ground plane to maximize thermal performance. Not
intended as an electrical connection point. (TQFN package only).
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