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MAX1266 Datasheet(Fiches technique) 2 Page - Maxim Integrated Products

Numéro de pièce MAX1266
Description  420ksps, 5V, 6-/2-Channel, 12-Bit ADCs with 2.5V Reference and Parallel Interface
Télécharger  19 Pages
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Fabricant  MAXIM [Maxim Integrated Products]
Site Internet  http://www.maxim-ic.com
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420ksps, +5V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = +5V ±10%, COM = GND, REFADJ = VDD, VREF = +2.5V, 4.7µF capacitor at REF pin, fCLK = 7.6MHz (50% duty cycle),
TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDD to GND ..............................................................-0.3V to +6V
CH0–CH5, COM to GND ............................-0.3V to (VDD + 0.3V)
REF, REFADJ to GND.................................-0.3V to (VDD + 0.3V)
Digital Inputs to GND ...............................................-0.3V to +6V
Digital Outputs (D0–D11, INT) to GND.......-0.3V to (VDD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
24-Pin QSOP (derate 9.5mW/°C above +70°C)..........762mW
28-Pin QSOP (derate 8.0mW/°C above +70°C)..........667mW
Operating Temperature Ranges
MAX1266_C_ _/MAX1268_C_ _ .........................0°C to +70°C
MAX1266_E_ _/MAX1268_E_ _ ......................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
External acquisition or external clock mode
Internal acquisition/internal clock mode
MAX126_A
External acquisition/internal clock mode
External clock mode
-3dB rolloff
SINAD > 68dB
fIN = 175kHz (Note 4)
fIN1 = 49kHz, fIN2 = 52kHz
MAX126_B
No missing codes overtemperature
(Note 3)
CONDITIONS
ns
25
Aperture Delay
ns
400
tACQ
T/H Acquisition Time
3.2
3.6
4
2.5
3.0
3.5
µs
2.1
tCONV
Conversion Time (Note 5)
MHz
6
Full-Power Bandwidth
kHz
350
Full-Linear Bandwidth
dB
-78
Channel-to-Channel Crosstalk
dB
76
IMD
Intermodulation Distortion
dB
-80
SFDR
Spurious-Free Dynamic Range
Total Harmonic Distortion
(Including 5th-Order Harmonic)
dB
-80
THD
±0.5
INL
Relative Accuracy (Note 2)
Bits
12
RES
Resolution
dB
67
70
SINAD
Signal-to-Noise Plus Distortion
LSB
±0.2
Channel-to-Channel Offset
Matching
ppm/°C
±2.0
Gain Temperature Coefficient
LSB
±1
LSB
±1
DNL
Differential Nonlinearity
LSB
±4
Offset Error
LSB
±4
Gain Error
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Internal acquisition/internal clock mode
External acquisition or external clock mode
<200
ps
<50
Aperture Jitter
MHz
0.1
7.6
fCLK
External Clock Frequency
%
30
70
Duty Cycle
DC ACCURACY (Note 1)
DYNAMIC SPECIFICATIONS (fIN(sine wave) = 50kHz, VIN = 2.5VP-P, 420ksps, external fCLK = 7.6MHz, bipolar input mode)
CONVERSION RATE




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