MAX1020BETX+ Maxim Integrated Products, MAX1020BETX+ Datasheet - Page 25

• Manufacturer Part Number: MAX1020BETX+
• Description: IC ADC/DAC 10BIT 36-TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: ADC, DACr

Specifications of MAX1020BETX+

• Resolution (bits): 10 b
• Sampling Rate (per Second): 225k
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Voltage Supply Source: Analog and Digital
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 5. Setup Register*
Table 5a. Clock Modes (see the Clock Mode section)
Table 5b. Clock Modes 00, 01, and 10
* See below for bit details.
REFSEL1 REFSEL0
CKSEL1
0
0
1
1
0
0
1
1
BIT NAME
DIFFSEL1
DIFFSEL0
REFSEL1
REFSEL0
CKSEL1
CKSEL0
—
—
10-Bit, Multichannel ADCs/DACs with FIFO,
CKSEL0
0
1
0
1
0
1
0
1
______________________________________________________________________________________
External single-
(ADC), external
REF2 for ADC)
Internal (ADC)
REFERENCE
Internal (DAC
ended (REF1
for DAC and
and external
REF1 (DAC)
REF1 (DAC)
Temperature Sensing, and GPIO Ports
VOLTAGE
differential
and ADC)
External
7 (MSB)
0 (LSB)
CONVERSION CLOCK
External (3.6MHz max)
BIT
6
5
4
3
2
1
Internal
Internal
Internal
CONDITIONS
Temperature
Temperature
Temperature
Temperature
OVERRIDE
Set to zero to select setup register.
Set to one to select setup register.
Clock mode and CNVST configuration; resets to one 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.
AIN
AIN
AIN
AIN
Inter nal r efer ence tur ns off after scan i s com p l ete. If
i nter nal r efer ence i s tur ned off, ther e i s a p r og r am m ed
d el ay of 218 i nter nal - conver si on cl ock cycl es.
Internal reference required. There is a programmed
delay of 244 internal-conversion clock cycles for the
internal reference to settle after wake-up.
Internal reference not used.
Internal reference required. There is a programmed
delay of 244 internal-conversion clock cycles for the
internal reference to settle after wake-up.
Default reference mode. Internal reference turns off
after scan is complete. If internal reference is turned
off, there is a programmed delay of 218 internal-
conversion clock cycles.
Internal reference required. There is a programmed
delay of 244 internal-conversion clock cycles for the
internal reference to settle after wake-up.
Internal reference not used.
Internal reference required. There is a programmed
delay of 244 internal-conversion clock cycles for the
internal reference to settle after wake-up.
Externally timed by CNVST.
ACQUISITION/SAMPLING
Externally timed by SCLK.
Internally timed.
Internally timed.
AUTOSHUTDOWN
FUNCTION
CNVST CONFIGURATION
AIN15/AIN11/AIN7
AIN15/AIN11/AIN7
CNVST
CNVST
CONFIGURATION
AIN14/AIN10/AIN6
AIN14/AIN10/AIN6
REF2
REF2
REF2
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