MAX1231BEEG+ Maxim Integrated Products, MAX1231BEEG+ Datasheet - Page 5

• 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

TIMING CHARACTERISTICS (Figure 1)
(V
Note 10: This time is defined as the number of clock cycles needed for conversion multiplied by the clock period. If the internal ref
SCLK Clock Period
SCLK Duty Cycle
SCLK Fall to DOUT Transition
CS Rise to DOUT Disable
CS Fall to DOUT Enable
DIN to SCLK Rise Setup
SCLK Rise to DIN Hold
C S Ri se- to- S C LK Ri se S etup Ti m e
CS Fall-to-SCLK Hold Time
CNVST Pulse Width
CS or CNVST Rise to EOC
Low (Note 10)
DD
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
0
= +3V, V
0
erence needs to be powered up, the total time is additive. The internal reference is always used for temperature measure
ments.
PARAMETER
INTEGRAL NONLINEARITY
REF
1024
vs. OUTPUT CODE
= +2.5V, f
OUTPUT CODE
_______________________________________________________________________________________
2048
SCLK
3072
= 4.8MHz, C
SYMBOL
4096
T
t
t
t
t
t
CSS1
DOD
CSH0
CSW
t
DOE
t
t
DOT
t
t
CH
DH
CP
DS
T S
Temp Sensor, Internal Reference
12-Bit 300ksps ADCs with FIFO,
LOAD
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
Externally clocked conversion
Data I/O
C
C
C
CKSEL = 00, CKSEL = 01 (temp sense)
CKSEL = 01 (voltage conversion)
Temp sense
Voltage conversion
Reference power-up
0
LOAD
LOAD
LOAD
0
= 30pF, T
DIFFERENTIAL NONLINEARITY
= 30pF
= 30pF
= 30pF
1024
vs. OUTPUT CODE
A
= +25°C, unless otherwise noted.)
OUTPUT CODE
CONDITIONS
2048
Typical Operating Characteristics
3072
4096
100
90
80
70
60
50
40
30
20
10
0
0.1
MIN
208
100
1.4
40
40
40
0
0
SINAD vs. FREQUENCY
1
TYP
FREQUENCY (kHz)
10
MAX
60
40
40
40
40
55
65
7
100
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
%
1000
5