Datasheet

MAX6694
5-Channel Precision Temperature Monitor
with Beta Compensation
_______________________________________________________________________________________ 5
Typical Operating Characteristics
(V
CC
= 3.3V, V
STBY
= V
CC
, T
A
= +25°C, unless otherwise noted.)
SOFTWARE STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX6694 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
3.53.43.1 3.2 3.3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.0
3.0 3.6
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX6694 toc02
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
3.43.2
400
450
500
550
600
650
350
3.0 3.6
LOW BETA DIODE CONNECTED TO
CHANNEL 1 WITH RESISTANCE
CANCELLATION AND LOW BETA
05025 75 100 125
REMOTE-DIODE TEMPERATURE ERROR
vs. REMOTE-DIODE TEMPERATURE
MAX6694 toc03
TEMPERATURE (°C)
TEMPERATURE ERROR (°C)
-4
-3
-2
-1
0
1
2
3
4
5
-5
CHANNEL 2
CHANNEL 1
-3
-2
-1
0
1
2
3
4
0 255075100125
LOCAL TEMPERATURE ERROR
vs. DIE TEMPERATURE
MAX6694 toc04
DIE TEMPERATURE (°C)
TEMPERATURE ERROR (°C)
REMOTE-DIODE TEMPERATURE ERROR
vs. POWER-SUPPLY NOISE FREQUENCY
MAX6694 toc05
FREQUENCY (MHz)
TEMPERATURE ERROR (°C)
-4
-3
-2
-1
0
1
2
3
4
5
-5
1.0000.1000.0100.001 10.000
100mV
P-P
CHANNEL 2
CHANNEL 1
LOCAL TEMPERATURE ERROR
vs. POWER-SUPPLY NOISE FREQUENCY
MAX6694 toc06
FREQUENCY (MHz)
TEMPERATURE ERROR (°C)
-4
-3
-2
-1
0
1
2
3
4
5
-5
1.0000.1000.0100.001 10.000
100mV
P-P
CH 2 REMOTE-DIODE TEMPERATURE ERROR
vs. COMMON-MODE NOISE FREQUENCY
MAX6694 toc07
FREQUENCY (MHz)
TEMPERATURE ERROR (°C)
1.00.1 10.0
-4
-3
-2
-1
0
1
2
3
4
-5
100mV
P-P
CH 1 REMOTE-DIODE TEMPERATURE
ERROR vs. CAPACITANCE
MAX6694 toc08
CAPACITANCE (nF)
TEMPERATURE ERROR (°C)
10
-4
-3
-2
-1
0
1
2
3
4
5
-5
1100
CH 2 REMOTE-DIODE TEMPERATURE
ERROR vs. CAPACITANCE
MAX6694 toc09
CAPACITANCE (nF)
TEMPERATURE ERROR (°C)
10
-4
-3
-2
-1
0
1
2
3
4
5
-5
1100