Rainbow-electronics MAX6656 Bedienungsanleitung Seite 4

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MAX6655/MAX6656
Dual Remote/Local Temperature Sensors and
Four-Channel Voltage Monitors
4 _______________________________________________________________________________________
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
20
10
0
-10
-20
110100
REMOTE TEMPERATURE ERROR
vs. PC BOARD RESISTANCE
MAX6655/MAX6656 toc01
LEAKAGE RESISTANCE (M
)
REMOTE TEMPERATURE ERROR (°C)
PATH = DXP TO GND
PATH = DXP TO V
CC
(5V)
-5
-2
-3
-4
-1
0
1
2
3
4
5
-55 -5 45 95
REMOTE TEMPERATURE ERROR
vs. REMOTE-DIODE TEMPERATURE
MAX6655/MAX6656 toc02
TEMPERATURE (
°
C)
REMOTE TEMPERATURE ERROR (°C)
RANDOM SAMPLE
2N3906
20
15
10
5
0
02010 30 40 50
TEMPERATURE ERROR
vs. POWER-SUPPLY NOISE FREQUENCY
MAX6655/MAX6656 toc03
FREQUENCY (MHz)
TEMPERATURE ERROR (°C)
V
IN
= SQUARE WAVE
APPLIED TO V
CC
WITH
NO V
CC
BYPASS CAPACITOR
V
IN
= 250mVp-p
REMOTE DIODE
0
2
4
6
8
10
12
14
0 1020304050
REMOTE TEMPERATURE ERROR
vs. COMMON-MODE NOISE FREQUENCY
MAX6655/MAX6656 toc04
FREQUENCY (MHz)
REMOTE TEMPERATURE ERROR (°C)
V
IN
= 200mVp-p
V
IN
= 100mVp-p
V
IN
= SQUARE WAVE
AC-COUPLED TO DXN
0
2
4
6
8
10
12
14
0 50 100 150 200
REMOTE TEMPERATURE ERROR
vs. DXP-DXN CAPACITANCE
MAX6655/MAX6656 toc05
DXP-DXN CAPACITANCE (nF)
REMOTE TEMPERATURE ERROR (°C)
V
CC
= +5V
0
15
10
5
20
25
30
35
40
45
50
1 10 100 1000
STANDBY SUPPLY CURRENT
vs. CLOCK FREQUENCY
MAX6655/MAX6656 toc06
SMBCLK FREQUENCY (kHz)
SUPPLY CURRENT (µA)
SMBCLK IS DRIVEN
RAIL-TO-RAIL
0
20
40
60
80
100
120
140
012345
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX6655/MAX6656 toc07
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
ADD0, ADD1 = GND
ADD0, ADD1 = HIGH-Z
0
40
20
80
60
120
100
-1 1 20 345
RESPONSE TO THERMAL SHOCK
MAX6655/MAX6656 toc08
TIME (s)
TEMPERATURE (°C)
REMOTE DIODE IMMERSED
IN +115°C FLUORINERT BATH
0
4
2
8
6
12
10
0406020 80 100 120
VOLTAGE ACCURACY
vs. TEMPERATURE
MAX6655/MAX6656 toc09
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
V
IN1
V
CC
V
IN2
V
IN3
INPUT VOLTAGES ARE NOMINAL
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