MAX1020BETX 데이터 시트보기 (PDF) - Maxim Integrated
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MAX1020BETX
Maxim Integrated
MAX1020BETX Datasheet PDF : 47 Pages
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10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = 2.7V to 3.6V (MAX1021/MAX1023/MAX1057), external reference VREF = 2.5V (MAX1021/MAX1023/MAX1057), AVDD =
DVDD = 4.75V to 5.25V (MAX1020/MAX1022/MAX1058), external reference VREF = 4.096V (MAX1020/MAX1022/MAX1058), fSCLK = 4.8MHz
(50% duty cycle), TA = -40°C to +85°C, unless otherwise noted. Typical values are at AVDD = DVDD = 3V (MAX1021/MAX1023/MAX1057),
AVDD = DVDD = 5V (MAX1020/MAX1022/MAX1058), TA = +25°C. Outputs are unloaded, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Acquisition Time
Conversion Time
tACQ
tCONV
(Note 5)
Internally clocked
Externally clocked
0.6
µs
3.5
µs
2.7
Internal Clock Frequency
Internally clocked conversion
4.3
MHz
External Clock Frequency
Duty Cycle
fCLK Externally clocked conversion (Note 5)
0.1
40
4.8
MHz
60
%
Aperture Delay
30
ns
Aperture Jitter
<50
ps
ANALOG INPUTS
Input Voltage Range (Note 6)
Input Leakage Current
Unipolar
Bipolar
0
-VREF / 2
VREF
V
VREF / 2
±0.01
±1
µA
Input Capacitance
24
pF
INTERNAL TEMPERATURE SENSOR
Measurement Error (Notes 5, 7)
Temperature Resolution
TA = +25°C
TA = TMIN to TMAX
±0.7
±1.0
1/8
±3.0
°C
°C/LSB
INTERNAL REFERENCE
REF1 Output Voltage (Note 8)
MAX1021/MAX1023/MAX1057
MAX1020/MAX1022/MAX1058
2.482 2.50 2.518
V
4.066 4.096 4.126
REF1 Voltage Temperature
Coefficient
TCREF
±30
ppm/°C
REF1 Output Impedance
REF1 Short-Circuit Current
EXTERNAL REFERENCE
VREF = 2.5V
VREF = 4.096V
6.5
kΩ
0.39
mA
0.63
REF1 Input Voltage Range
VREF1 REF mode 11 (Note 4)
1
AVDD +
V
0.05
REF2 Input Voltage Range
(Note 4)
VREF2
REF mode 01
REF mode 11
1
AVDD +
0.05
V
0
1
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