MAX1031 Maxim Integrated Products, MAX1031 Datasheet - Page 14

• Manufacturer Part Number: MAX1031
• Description: (MAX1027 - MAX1031) 10-Bit 300ksps ADCs
• Manufacturer: Maxim Integrated Products

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10-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
Table 3. Setup Register*
*See below for bit details.
14
BIT NAME
DIFFSEL1 DIFFSEL0
DIFFSEL1
DIFFSEL0
REFSEL1
REFSEL1
REFSEL0
CKSEL1
CKSEL1
CKSEL0
—
—
______________________________________________________________________________________
0
0
1
1
0
0
1
1
0
0
1
1
CKSEL0
REFSEL0
7 (MSB)
0 (LSB)
BIT
0
1
0
1
6
5
4
3
2
1
0
1
0
1
0
1
0
1
Set to zero to select setup register.
Set to 1 to select setup register.
Clock mode and CNVST configuration. Resets to 1 at power-up.
Clock mode and CNVST configuration.
Reference mode configuration.
Reference mode configuration.
Unipolar/bipolar mode register configuration for differential mode.
Unipolar/bipolar mode register configuration for differential mode.
No data follows the setup byte. Unipolar mode and bipolar mode registers remain unchanged.
No data follows the setup byte. Unipolar mode and bipolar mode registers remain unchanged.
One byte of data follows the setup byte and is written to the unipolar mode register.
One byte of data follows the setup byte and is written to the bipolar mode register.
VOLTAGE REFERENCE
CONVERSION CLOCK
External (4.8MHz max)
External single ended
External differential
Internal
Internal
Internal
Internal
Internal
Reference off after scan; need
wake-up delay.
Reference off; no wake-up delay.
Reference always on; no wake-up
delay.
Reference off; no wake-up delay.
Externally timed through CNVST
Externally timed through SCLK
ACQUISITION/SAMPLING
Internally timed
Internally timed
AutoShutdown
FUNCTION
FUNCTION
CNVST CONFIGURATION
REF- CONFIGURATION
AIN15/11/7
AIN15/11/7
AIN14/10/6
AIN14/10/6
AIN14/10/6
CNVST
CNVST
REF-