MAX6603 Maxim Integrated Products, MAX6603 Datasheet - Page 3

• Manufacturer Part Number: MAX6603
• Description: Platinum RTD-to-Voltage Signal Conditioner
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS (continued)
(V
T
(Note 1)
Note 1: All parameters are tested at T
Note 2: RTD resistance range is 150Ω to 900Ω for constant excitation current.
Note 3: A typical 200Ω RTD: R(T) = R
Note 4: RTD resistance is tested only at R
Note 5: Parameters are tested in special test mode.
MAXIMUM INPUT RESISTANCE-TO-OUTPUT VOLTAGE ERROR
RTD (Note 4)
ANALOG OUTPUTS (OUT1, OUT2)
Output-Voltage Low (Max)
Output-Voltage High (Min)
Short-Circuit Current
Maximum Capacitive Load
Minimum Resistive Load
DIAGNOSTIC OUTPUTS (DG1, DG2)
Output-Voltage Low
Output-Voltage High
Minimum Resistance for RS+,
RS - Open
Maximum Resistance for RS+,
RS - Short
A
CC
= -40°C to +125°C, unless otherwise noted. Typical values are at V
= 3.0V to 5.5V, resistor connected between RS1+ and RS1- = 560Ω, resistor connected between RS2+ and RS2- = 560Ω,
ters in this section are not tested and are for reference only.
PARAMETER
_______________________________________________________________________________________
Dual-Channel, Platinum RTD-to-Voltage
O
A
[1 + AT + BT
R
= +25°C. Specifications over temperature are guaranteed by design.
R
SYMBOL
RS - SHORT
RS - OPEN
RTD
V
V
V
V
I
C
R
SC
OH
OH
OL
OL
L
L
= 200Ω, 560Ω, 845Ω. The range is guaranteed by design.
2
] is referenced for probe temperature-probe resistance relation. The parame-
494Ω to 627Ω, V
200Ω to 494Ω, V
627Ω to 866Ω, V
494Ω to 627Ω, V
200Ω to 494Ω, V
627Ω to 866Ω, V
R
(Note 5)
R
(Note 5)
V
V
Between OUT_ and GND
I
I
SOURCE
SINK
L
L
OUT
OUT
= 47kΩ between OUT_ and V
= 47kΩ between OUT_ and GND
= 1mA
= V
= GND
= 1mA
CC
CONDITIONS
CC
CC
CC
CC
CC
CC
CC
= 5.0V
= 5.0V
= 5.0V
= 3.0V
= 3.0V
= 3.0V
= 5.0V, R
Signal Conditioner
L
= 47kΩ between OUT_ and GND, T
CC
V
MIN
0.2
CC
-
V
8000
TYP
500
0.1
0.1
CC
20
60
-
MAX
0.2
19
27
33
19
27
33
22
12
A
= +25°C.)
UNITS
mA
mA
mV
kΩ
pF
Ω
Ω
V
V
V
V
3