MAX125ACAX 데이터 시트보기 (PDF) - Maxim Integrated
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MAX125ACAX Datasheet PDF : 16 Pages
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2x4-Channel, Simultaneous-Sampling
14-Bit DAS
ABSOLUTE MAXIMUM RATINGS
AVDD to AGND ...........................................................-0.3V to 6V
AVSS to AGND ............................................................0.3V to -6V
DVDD to DGND ...........................................................-0.3V to 6V
AGND to DGND .......................................................-0.3V to 0.3V
CH_ _ to AGND....................................................................±17V
REFIN, REFOUT to AGND ..........................................-0.3V to 6V
Digital Inputs/Outputs to DGND ..............-0.3V to (DVDD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
SSOP (derate 11.8mW/°C above +70°C) .....................941mW
Operating Temperature Ranges
MAX125_CAX/MAX126_CAX ...............................0°C to +70°C
MAX125_EAX/MAX126_EAX ............................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10sec)................................300°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.
ELECTRICAL CHARACTERISTICS
(AVDD = +5V ±5%, AVSS = -5V ±5%, DVDD = +5V ±5%, VREFIN = 2.5V, AGND = DGND = 0V, 4.7µF capacitor from REFOUT to
AGND, 0.1µF capacitor from REFIN to AGND, fCLK = 16MHz, external clock, 50% duty cycle, TA = TMIN to TMAX, unless otherwise
noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
DC ACCURACY (Note 1)
Resolution
N
All channels
14
Integral Nonlinearity
(Note 2)
MAX125A/MAX126A
INL
MAX12_B/C
MAX12_A/B, guaranteed monotonic to 14 bits
Differential Nonlinearity
DNL
MAX125C/MAX126C,
guaranteed monotonic to 13 bits
Bipolar Zero Error
Bipolar Zero-Error Match
TA = +25°C
TA = TMIN to TMAX
Between all channels
Zero-Code Tempco
Gain Error
Gain Error Match
TA = +25°C
TA = TMIN to TMAX
Between all channels
Gain Error Tempco
DYNAMIC PERFORMANCE (fCLK = 16MHz, fIN = 10.06kHz) (Notes 1, 3)
Signal-to-Noise Plus
Distortion (Note 4)
SINAD
Single-channel mode,
channel 1A, 250ksps
MAX125
MAX125
MAX126
72
70
Total Harmonic
Distortion (Notes 4, 5)
THD Single-channel mode, channel 1A, 250ksps
TYP
±2
±5
1.2
±5
±5
1.2
±5
75
72
-89
MAX UNITS
Bits
±2
LSB
±4
±1
LSB
±2
±15
mV
±25
5
mV
ppm/°C
±10
mV
±15
5
mV
ppm/°C
dB
-80
dB
Spurious-Free Dynamic
Range (Note 4)
SFDR Single-channel mode, channel 1A, 250ksps
80
90
dB
Channel-to-Channel
Isolation (Note 6)
Single-channel mode, channel 1A, 250ksps
80
dB
2 _______________________________________________________________________________________
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