Datasheet

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MAX11201
24-Bit, Single-Channel, Ultra-Low-Power, Delta
Sigma ADC with 2-Wire Serial Interface
Figure 5. Timing Diagram for Sleep Mode Activation Followed by Self-Calibration at Wake-Up
Figure 6. RTD Temperature Measurement Circuit
Figure 7. Resistive Bridge Measurement Circuit
Applications Information
See Figure 6 for the RTD temperature measurement circuit
and Figure 7 for a resistive bridge measurement circuit.
Chip Information
PROCESS: BiCMOS
Package Information
For the latest package outline information and land patterns,
go to www.maxim-ic.com/packages. Note that a “+”, “#”, or
“-” in the package code indicates RoHS status only. Package
drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
10 µMAX U10+2
21-0061 90-0330
SLEEP
MODE
1 2 1 23
24 25 26
CONVERSION IS DONE
DATA IS AVAILABLE
t
12
t
10
DEVICE ENTERS
SLEEP MODE
DEVICE EXITS OUT SLEEP MODE
AND STARTS CALIBRATION
D0
RDY/DOUT
D23
D22
D23 D22
SCLK
CONVERSION IS DONE
DATA IS AVAILABLE AFTER CALIBRATION
25TH SCLK PULLS RDY/DOUT HIGH
I
REF2
I
REF1
I
REF1
= K x I
REF2
REFP
REFN
R
REF
AINP
AINN
GND
R
RTD
MAX11201
REFP
AVDD
REFN
AINP
AINN
MAX11201