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| MAX127 Datasheet, PDF (2/16 Pages) Maxim Integrated Products – Multirange, +5V, 12-Bit DAS with 2-Wire Serial Interface | |||
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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
CH0âCH7 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 DIP (derate 13.33mW/°C above +70°C)..1067mW
28-Pin SSOP (derate 9.52mW/°C above +70°C) ...............762mW
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, 10sec) ............................+300°C
Stresses beyond those listed under âAbsolute Maximum Ratingsâ 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 UNITS
ACCURACY (Note 1)
Resolution
12
Bits
Integral Nonlinearity
MAX127A/MAX128A
INL
MAX127B/MAX128B
±1/2
LSB
±1
Differential Nonlinearity
Offset Error
DNL
Unipolar
Bipolar
MAX127A/MAX128A
MAX127B/MAX128B
MAX127A/MAX128A
MAX127B/MAX128B
±1
LSB
±3
±5
LSB
±5
±10
Channel-to-Channel Offset
Error Matching
Unipolar
Bipolar
±0.1
LSB
±0.3
Gain Error (Note 2)
Unipolar
Bipolar
MAX127A/MAX128A
MAX127B/MAX128B
MAX127A/MAX128A
MAX127B/MAX128B
±7
±10
LSB
±7
±10
Gain Tempco (Note 2)
Unipolar
Bipolar
3
ppm/°C
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
dB
Total Harmonic Distortion
THD Up to the 5th harmonic
-87
-80
dB
Spurious-Free Dynamic Range SFDR
81
dB
Channel-to-Channel Crosstalk
Aperture Delay
4kHz, VIN = ±5V (Note 3)
DC, VIN = ±16.5V
-86
dB
-96
200
ns
Aperture Jitter
10
ns
2 _______________________________________________________________________________________
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