MAX1231BEEG+ Maxim Integrated Products, MAX1231BEEG+ Datasheet - Page 16

• Manufacturer Part Number: MAX1231BEEG+
• Description: IC ADC 12BIT 300KSPS 24-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1231BEEG+

• Number Of Bits: 12
• Sampling Rate (per Second): 300k
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 762mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP
• Number Of Adc Inputs: 16
• Architecture: SAR
• Conversion Rate: 300 KSPs
• Resolution: 12 bit
• Input Type: Differential
• Interface Type: 3-Wire (SPI, QSPI, MICROWIRE)
• Voltage Reference: Internal 2.5 V or External
• Supply Voltage (max): 3.3 V
• Maximum Power Dissipation: 762 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
Table 6. Averaging Register
* See below for bit details.
Table 7. Reset Register
16
BIT NAME
BIT NAME
NSCAN1
NSCAN0
NSCAN1
AVGON
AVGON
NAVG1
NAVG0
RESET
—
—
—
—
—
—
—
______________________________________________________________________________________
0
1
1
1
1
0
0
1
1
x
x
x
NSCAN0
7 (MSB)
NAVG1
7 (MSB)
0 (LSB)
0 (LSB)
BIT
BIT
0
0
1
1
x
6
5
4
3
2
1
0
1
0
1
6
5
4
3
2
1
Set to zero to select averaging register.
Set to zero to select averaging register.
Set to 1 to select averaging register.
Set to 1 to turn averaging on. Set to zero to turn averaging off.
Configures the number of conversions for single-channel scans.
Configures the number of conversions for single-channel scans.
Single-channel scan count. (Scan mode 10 only.)
Single-channel scan count. (Scan mode 10 only.)
Scans channel N and returns 4 results.
Scans channel N and returns 8 results.
Scans channel N and returns 12 results.
Scans channel N and returns 16 results.
Set to zero to select reset register.
Set to zero to select reset register.
Set to zero to select reset register.
Set to 1 to select reset register.
Set to zero to reset all registers. Set to 1 to clear the FIFO only.
Reserved. Don’t care.
Reserved. Don’t care.
Reserved. Don’t care.
NAVG0
0
1
0
1
x
Performs 1 conversion for each requested result.
Performs 4 conversions and returns the average for each requested result.
Performs 8 conversions and returns the average for each requested result.
Performs 16 conversions and returns the average for each requested result.
Performs 32 conversions and returns the average for each requested result.
FUNCTION (APPLIES ONLY IF SCAN MODE 10 IS SELECTED)
FUNCTION
FUNCTION
FUNCTION