MAX1067/MAX1068
Multichannel, 14-Bit, 200ksps Analog-to-Digital
Converters
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
AV
DD
to AGND .........................................................-0.3V to +6V
DV
DD
to DGND.........................................................-0.3V to +6V
DGND to AGND.....................................................-0.3V to +0.3V
AIN_, REF, REFCAP to AGND..................-0.3V to (AV
DD
+ 0.3V)
SCLK, CS, DSEL, DSPR, DIN to DGND ...................-0.3V to +6V
DOUT, DSPX, EOC to DGND...................-0.3V to (DV
DD
+ 0.3V)
Maximum Current into Any Pin............................................50mA
Continuous Power Dissipation (T
A
= +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW
24-Pin QSOP (derate 9.5mW/°C above +70°C)...........762mW
Operating Temperature Ranges
MAX106_ _ CE_ ..................................................0°C to +70°C
MAX106_ _ EE_ ...............................................-40°C to +85°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(AV
DD
= DV
DD
= +4.75V to +5.25V, f
SCLK
= 4.8MHz external clock (50% duty cycle), 24 clocks/conversion (200ksps), external V
REF
= +4.096V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DC ACCURACY (Note 1)
Resolution 14 Bits
MAX106_A ±0.5 ±1
MAX106_B ±1.0 ±2
Relative Accuracy (Note 2) INL
MAX106_C ±1.5 ±3
LSB
MAX106_A ±1
MAX106_B
+1.5
-1.0
Differential Nonlinearity DNL
No missing codes
over temperature
MAX106_C
+1.5
-1.0
LSB
External reference 0.33
Transition Noise RMS noise
Internal reference 0.35
LSB
RMS
Offset Error ±0.1 ±10 mV
Gain Error (Note 3) ±0.01 ±0.2 %FSR
Offset Drift 1 ppm/°C
Gain Drift (Note 3) ±1.2 ppm/°C
DYNAMIC SPECIFICATIONS (1kHz sine wave, 4.096V
P-P
) (Note 1)
Signal-to-Noise Plus Distortion SINAD 81 84 dB
Signal-to-Noise Ratio SNR 82 84 dB
Total Harmonic Distortion THD -98 -86 dB
Spurious-Free Dynamic Range SFDR 87 99 dB
Full-Power Bandwidth -3dB point 4 MHz
Full-Linear Bandwidth SINAD > 81dB 10 kHz
Channel-to-Channel Isolation (Note 4) 85 dB
CONVERSION RATE
Internal clock, no data transfer,
single conversion (Note 5)
5.52 7.07
Conversion Time t
CONV
External clock 3.75
µs
(12 Seiten)
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