 English |
|
|
|
|
|
|
|
| MAX1227_11 Datasheet, PDF (3/22 Pages) Maxim Integrated Products – 12-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference | |||
| |||
| ◁ |
12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V, fSAMPLE = 300kHz, fSCLK = 4.8MHz (50% duty cycle), VREF = 2.5V, TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.)
PARAMETER
CONVERSION RATE
Power-Up Time
Acquisition Time
Conversion Time
SYMBOL
tPU
tACQ
tCONV
External Clock Frequency
fSCLK
SCLK Duty Cycle
Aperture Delay
Aperture Jitter
ANALOG INPUT
Input Voltage Range
Input Leakage Current
Input Capacitance
INTERNAL TEMPERATURE SENSOR
Measurement Error (Note 7)
Temperature Measurement Noise
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
TCREF
PSRR
VREF-
VREF+
REF+ Input Current
IREF+
CONDITIONS
External reference
Internal reference (Note 3)
Internally clocked
Externally clocked (Note 4)
Externally clocked conversion
Data I/O
Unipolar
Bipolar (Note 5)
VIN = VDD
During acquisition time (Note 6)
TA = +25°C
TA = TMIN to TMAX
VREF+ = 2.5V, fSAMPLE = 300ksps
VREF+ = 2.5V, fSAMPLE = 0
MIN TYP MAX UNITS
0.8
µs
65
0.6
µs
3.5
µs
2.7
0.1
4.8
MHz
10
40
60
%
30
ns
<50
ps
0
-VREF/2
VREF
V
VREF/2
±0.01 ±1
µA
24
pF
±0.7
±1.2
0.4
1/8
0.3
±2.5
°C
°CRMS
°C
°C/V
2.48 2.50 2.52
V
±30
p p m /° C
6.5
kâ¦
200
µVRMS
-70
dB
0
500
mV
1.0
VDD + 50mV V
40
100
µA
±0.1
±5
_______________________________________________________________________________________ 3
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese