MAX1231EVKIT Maxim Integrated Products, MAX1231EVKIT Datasheet - Page 18

• Manufacturer Part Number: MAX1231EVKIT
• Description: EVAL KIT FOR MAX1231
• Manufacturer: Maxim Integrated Products

Specifications of MAX1231EVKIT

• Number Of Adc's: 1
• Number Of Bits: 12
• Sampling Rate (per Second): 300k
• Data Interface: Serial
• Inputs Per Adc: 16 Single Ended or 8 Differential
• Input Range: ±VREF/2
• Power (typ) @ Conditions: 1.86mW @ 300kSPS
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Utilized Ic / Part: MAX1231
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

In clock mode 10, the wake-up, acquisition, conversion,
and shutdown sequences are initiated by writing an
input data byte to the conversion register, and are per-
formed automatically using the internal oscillator. This is
the default clock mode upon power-up. See Figure 6
for clock mode 10 timing.
12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
Figure 5. Clock Mode 01
18
Figure 6. Clock Mode 10
DIN
SCLK
DOUT
EOC
CS
CNVST
SCLK
DOUT
EOC
CS
THE CONVERSION BYTE BEGINS THE ACQUISITION. CNVST IS NOT REQUIRED.
______________________________________________________________________________________
(ACQUISITION1)
Conversions Using the Serial Interface
REQUEST MULTIPLE CONVERSIONS BY SETTING CNVST LOW FOR EACH CONVERSION.
(CONVERSION1)
Performing Conversions in Clock Mode 10
Internally Timed Acquisitions and
(ACQUISITION2)
(CONVERSION BYTE)
(CONVERSION2)
(UP TO 514 INTERNALLY CLOCKED ACQUISITIONS AND CONVERSIONS)
MSB1
MSB1
Initiate a scan by writing a byte to the conversion regis-
ter. The MAX1227/MAX1229/MAX1231 then power up,
scan all requested channels, store the results in the
FIFO, and shut down. After the scan is complete, EOC
is pulled low and the results are available in the FIFO. If
a temperature measurement is requested, the tempera-
ture result precedes all other FIFO results. EOC stays
low until CS is pulled low again.
LSB1
LSB1
MSB2
MSB2