MAX1231BETI+ Maxim Integrated Products, MAX1231BETI+ Datasheet - Page 3

• Manufacturer Part Number: MAX1231BETI+
• Description: IC ADC 12BIT 300KSPS 28-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1231BETI+

• Number Of Bits: 12
• Sampling Rate (per Second): 300k
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 620µW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN Exposed Pad
• Number Of Adc Inputs: 16
• Architecture: SAR
• Conversion Rate: 300 KSPs
• Resolution: 12 bit
• Interface Type: Serial
• Voltage Reference: Internal 2.5 V or External
• Supply Voltage (max): 3.3 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
noted. Typical values are at T
CONVERSION RATE
Power-Up Time
Acquisition Time
Conversion Time
External Clock Frequency
SCLK Duty Cycle
Aperture Delay
Aperture Jitter
ANALOG INPUT
Input Voltage Range
Input Leakage Current
Input Capacitance
INTERNAL TEMPERATURE SENSOR
Measurement Error (Note 7)
Tem p er atur e M easur em ent N oi se
Temperature Resolution
Power-Supply Rejection
INTERNAL REFERENCE
REF Output Voltage
REF Temperature Coefficient
Output Resistance
REF Output Noise
REF Power-Supply Rejection
EXTERNAL REFERENCE INPUT
REF- Input Voltage Range
REF+ Input Voltage Range
REF+ Input Current
DD
= +2.7V to +3.6V, f
PARAMETER
_______________________________________________________________________________________
SAMPLE
A
= +25°C.)
= 300kHz, f
SYMBOL
TC
t
V
PSRR
f
V
I
t
CONV
SCLK
REF+
ACQ
REF+
t
REF-
PU
REF
Temp Sensor, Internal Reference
12-Bit 300ksps ADCs with FIFO,
SCLK
External reference
Internal reference (Note 3)
Internally clocked
Externally clocked (Note 4)
Externally clocked conversion
Data I/O
Unipolar
Bipolar (Note 5)
V
During acquisition time (Note 6)
T
T
V
V
A
A
IN
REF+
REF+
= 4.8MHz (50% duty cycle), V
= +25°C
= T
= V
MIN
= 2.5V, f
= 2.5V, f
DD
to T
MAX
CONDITIONS
SAMPLE
SAMPLE
= 300ksps
= 0
REF
= 2.5V, T
- V
A
2.48
MIN
2.7
0.1
RE F
1.0
40
= T
0
0
/2
MIN
±0.01
±0.7
±1.2
±0.1
TYP
2.50
to T
<50
±30
200
-70
0.8
3.5
0.4
1/8
0.3
6.5
65
30
24
40
MAX
V
DD
, unless otherwise
V
+ 50mV
MAX
V
±2.5
2.52
RE F
500
100
0.6
4.8
10
60
±1
±5
REF
/2
p p m /° C
UNITS
µV
°C
MHz
°C/V
kΩ
dB
mV
µA
pF
µA
µs
µs
µs
ns
ps
°C
°C
%
RMS
V
V
RMS
V
3