MAX127ACAI(2012) Просмотр технического описания (PDF) - Maxim Integrated
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MAX127ACAI Datasheet PDF : 16 Pages
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MAX127/MAX128
Multirange, +5V, 12-Bit DAS with
2-Wire Serial Interface
Absolute Maximum Ratings
VDD to AGND...........................................................-0.3V to +6V
AGND to DGND....................................................-0.3V to +0.3V
CH0–CH7 to AGND...........................................................±16.5V
REF to AGND............................................ -0.3V to (VDD + 0.3V)
REFADJ to AGND..................................... -0.3V to (VDD + 0.3V)
A0, A1, A2 to DGND.................................. -0.3V to (VDD + 0.3V)
SHDN, SCL, SDA to DGND.....................................-0.3V to +6V
Max Current into Any Pin....................................................50mA
Continuous Power Dissipation (TA = +70°C)
24-Pin Narrow PDIP
(derate 13.33mW/°C above +70°C)...........................1067mW
28-Pin SSOP (derate 15mW/°C above +70°C)..........1201mW
Operating Temperature Ranges
MAX127_ C_ _/MAX128_ C_ _..........................0°C to +70°C
MAX127_ E_ _/MAX128_ E_ _....................... -40°C to +85°C
Storage Temperature Range ............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................. +300°C
Soldering Temperature (reflow)........................................+260°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
(VDD = +5V ±5%; unipolar/bipolar range; external reference mode, VREF = 4.096V; 4.7μF at REF; external clock, fCLK = 400kHz;
TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
ACCURACY (Note 1)
Resolution
12
MAX127A
±1/2
Integral Nonlinearity
INL
MAX127B/MAX128B
±1
Differential Nonlinearity
DNL
±1
Offset Error
MAX127A
±3
Unipolar
MAX127B/MAX128B
±5
MAX127A
±5
Bipolar
MAX127B/MAX128B
±10
Channel-to-Channel Offset Error
Unipolar
±0.1
Matching
Bipolar
±0.3
MAX127A
±7
Unipolar
MAX127B/MAX128B
±10
Gain Error (Note 2)
MAX127A
±7
Bipolar
MAX127B/MAX128B
±10
Unipolar
3
Gain Tempco (Note 2)
Bipolar
5
DYNAMIC SPECIFICATIONS (800Hz sine-wave input, ±10VP-P (MAX127) or ±4.096VP-P (MAX128), fSAMPLE = 8ksps)
Signal-to-Noise Plus Distortion
Ratio
SINAD
70
UNITS
Bits
LSB
LSB
LSB
LSB
LSB
ppm/°C
dB
Total Harmonic Distortion
Spurious-Free Dynamic Range
Channel-to-Channel Crosstalk
Aperture Delay
Aperture Jitter
THD
SFDR
Up to the 5th harmonic
4kHz, VIN = ±5V (Note 3)
DC, VIN = ±16.5V
-87
-80
dB
81
dB
-86
dB
-96
200
ns
10
ns
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