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MAX1280 Datasheet(PDF) 2 Page - Maxim Integrated Products

Part No. MAX1280
Description  400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference
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Maker  MAXIM [Maxim Integrated Products]
Homepage  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1280 Datasheet(HTML) 2 Page - Maxim Integrated Products

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400ksps/300ksps, Single-Supply, Low-Power, 8-Channel,
Serial 12-Bit ADCs with Internal Reference
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—MAX1280
(VDD1 = VDD2 = +4.5V to +5.5V, COM = GND, fSCLK = 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), external
+2.5V at REF, REFADJ = VDD1, 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
VDD1 to VDD2 ........................................................ -0.3V to +0.3V
CH0–CH7, COM to GND.......................... -0.3V to (VDD1 + 0.3V)
REF, REFADJ to GND .............................. -0.3V to (VDD1 + 0.3V)
Digital Inputs to GND .............................................. -0.3V to +6V
Digital Outputs to GND ............................ -0.3V to (VDD2 + 0.3V)
Digital Output Sink Current .................................................25mA
Continuous Power Dissipation (TA = +70°C)
20-Pin TSSOP (derate 7.0mW/°C above +70°C) .........559mW
Operating Temperature Ranges
MAX128_BCUP .................................................. 0°C to +70°C
MAX128_BEUP ............................................... -40°C to +85°C
Storage Temperature Range ............................ -60°C to +150°C
Lead Temperature (soldering, 10s) ................................ +300°C
SINAD > 68dB
-3dB point
fIN = 200kHz, VIN = 2.5Vp-p
fIN1 = 99kHz, fIN2 = 102kHz
No missing codes over temperature
Up to the 5th harmonic
CONDITIONS
MHz
0.5
6.4
fSCLK
Serial Clock Frequency
ps
<50
Aperture Jitter
ns
10
Aperture Delay
ns
468
tACQ
Track/Hold Acquisition Time
µs
2.5
tCONV
Conversion Time (Note 5)
kHz
350
Full-Linear Bandwidth
MHz
6
Full-Power Bandwidth
dB
-78
Channel-to-Channel Crosstalk
(Note 4)
dB
76
IMD
Intermodulation Distortion
dB
80
SFDR
Spurious-Free Dynamic Range
dB
-81
THD
Total Harmonic Distortion
Bits
12
Resolution
dB
70
SINAD
Signal-to-Noise plus Distortion
Ratio
LSB
±0.1
Channel-to-Channel Offset-Error
Matching
ppm/°C
±0.8
Gain-Error Temperature
Coefficient
±1.0
LSB
±1.0
DNL
Differential Nonlinearity
LSB
±6.0
Offset Error
LSB
±6.0
Gain Error (Note 3)
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
%
40
60
Duty Cycle
DYNAMIC SPECIFICATIONS (100kHz sine-wave input, 2.5Vp-p, 400ksps, 6.4MHz clock, bipolar input mode)
DC ACCURACY (Note 1)
CONVERSION RATE
LSB
INL
Relative Accuracy (Note 2)
ELECTRICAL CHARACTERISTICS—MAX1280
(VDD1 = VDD2 = +4.5V to +5.5V, COM = GND, fSCLK = 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), external
+2.5V at REF, REFADJ = VDD1, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)


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