MAX1034(2005) 데이터 시트보기 (PDF) - Maxim Integrated
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MAX1034 Datasheet PDF : 31 Pages
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8-/4-Channel, ±VREF Multirange Inputs,
Serial 14-Bit ADCs
ABSOLUTE MAXIMUM RATINGS
AVDD1 to AGND1 ....................................................-0.3V to +6V
AVDD2 to AGND2 ....................................................-0.3V to +6V
DVDD to DGND ........................................................-0.3V to +6V
DVDDO to DGNDO ..................................................-0.3V to +6V
DVDD to DVDDO......................................................-0.3V to +6V
DVDD, DVDDO to AVDD1 ........................................-0.3V to +6V
AVDD1, DVDD, DVDDO to AVDD2 ..........................-0.3V to +6V
DGND, DGNDO, AGND3, AGND2 to AGND1 ......-0.3V to +0.3V
CS, SCLK, DIN, DOUT, SSTRB to
DGNDO ............................................-0.3V to (DVDDO + 0.3V)
CH0–CH7 to AGND1 ...................................................-6V to +6V
REF, REFCAP to AGND1.......................-0.3V to (AVDD1 + 0.3V)
Continuous Current (any pin) ...........................................±50mA
Continuous Power Dissipation (TA = +70°C)
20-Pin TSSOP (derate 11mW/°C above +70°C) ..........879mW
24-Pin TSSOP (derate 12.2mW/°C above +70°C) .......976mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature .....................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+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
(AVDD1 = AVDD2 = DVDD = DVDDO = 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, fCLK = 3.5MHz (50% duty cycle), external
clock mode, VREF = 4.096V (external reference operation), REFCAP = AVDD1, maximum single-ended bipolar input range (±VREF), CDOUT
= 50pF, CSSTRB = 50pF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
DC ACCURACY (Notes 1, 2)
Resolution
Integral Nonlinearity
Differential Nonlinearity
Transition Noise
Offset Error
Channel-to-Channel Gain
Matching
SYMBOL
CONDITIONS
INL
DNL
No missing codes
External or internal reference
Single-ended inputs
Differential inputs
(Note 3)
Unipolar
Bipolar
Unipolar
Bipolar
Unipolar or bipolar
MIN TYP MAX UNITS
14
Bits
±0.25 ±1
LSB
±1
LSB
0.5
2
LSBRMS
0
±10
-1.0 ±10
mV
0
±20
-2
±20
0.025
%FSR
Channel-to-Channel Offset Error
Matching
Unipolar or bipolar
1.0
mV
Offset Temperature Coefficient
Gain Error
Gain Temperature Coefficient
Unipolar Endpoint Overlap
Unipolar
Bipolar
Unipolar
Bipolar
Unipolar
Bipolar
Negative unipolar full scale to positive
unipolar zero-scale
10
ppm/°C
5
±0.5
±0.3
%FSR
1.5
ppm/°C
1.0
0
5
LSB
2 _______________________________________________________________________________________
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