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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX174 Datasheet

Complete 12-Bit ADCs

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19-2765; Rev 3; 8/11
EVALUATION KIT AVAILABLE
MAX174/MX574A/MX674A
Industry-Standard, Complete 12-Bit ADCs
General Description
The MAX174/MX574A/MX674A are complete 12-bit
analog-to-digital converters (ADCs) that combine high
speed, low-power consumption, and on-chip clock and
voltage reference. The maximum conversion times are
8µs (MAX174), 15µs (MX674A), and 25µs (MX574A).
Maxim’s BiCMOS construction reduces power dissipa-
tion 3 times (150mW) over comparable devices. The
internal buried zener reference provides low-drift and
low-noise performance. External component require-
ments are limited to only decoupling capacitors and fixed
resistors. The versatile analog input structure allows for
0 to +10V or 0 to +20V unipolar or ±5V or ±10V bipolar
input ranges with pin strapping.
The MAX174/MX574A/MX674A use standard micropro-
cessor interface architectures and can be interfaced to
8-, 12-, and 16-bit wide buses. Three-state data outputs
are controlled by CS, CE, and R/C logic inputs.
Ordering Information appears at end of data sheet.
Features
S Complete ADC with Reference and Clock
S 12-Bit Resolution and Linearity
S No Missing Codes Over Temperature
S 150mW Power Dissipation
S 8µs (MAX174), 15µs (MX674A), and 25µs (MX574A)
Max Conversion Times
S Precision Low TC Reference: 10ppm/NC
S Monolithic BiCMOS Construction
S 150ns Maximum Data Access Time
Applications
Digital Signal Processing
High-Accuracy Process Control
High-Speed Data Acquisition
Electro-Mechanical Systems
Functional Diagram
REFIN 10
2R
AGND 9
VL DGND
1 15
VCC
7
VEE BIPOFF
11 12
10VIN 20VIN
13 14
R 5kI
12-BIT
DAC
9.950kI
5kI
12
REFOUT 8
+10V
REF
MAX174
MX574A
MX674A
SAR
4
LOW
NIBBLE
4
MIDDLE
NIBBLE
4
HIGH
NIBBLE
16 19 20 23 24 27
D0
D3 D4
D7 D8
D11
CLOCK
AND
CONTROL
LOGIC
28 6 5
STS CE R/C
2 12/8
3 CS
4 A0
For related parts and recommended products to use with this part, refer to www.maxim-ic.com/MAX174.related.
����������������������������������������������������������������� Maxim Integrated Products  1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX174 Datasheet

Complete 12-Bit ADCs

No Preview Available !

MAX174/MX574A/MX674A
Industry-Standard, Complete 12-Bit ADCs
ABSOLUTE MAXIMUM RATINGS
VCC to DGND...............................................................0 to 16.5V
VEE to DGND................................................................0 to 16.5V
VL to DGND.......................................................................0 to 7V
DGND to AGND.................................................................... Q1V
Control Inputs to DGND
(CE, CS, A0, 12/8, R/C)......................... -0.3V to (VCC + 0.3V)
Digital Output Voltage to DGND
(DB11–DB0, STS)...................................... -0.3V to (VL + 0.3V)
Analog Inputs to AGND (REFIN, BIPOFF, 10VIN)............ Q16.5V
20VIN to AGND.................................................................... Q24V
REFOUT.................................... Indefinite short to VCC or AGND
Power Dissipation (any package) to +75NC..................1000mW
Derates above +75NC ...............................................10mW/NC
Operating Temperature Ranges
MAX174_C, MX_74AJ/K/L....................................... 0 to +70NC
MAX174_E, MX_74AJE/KE/LE......................... -40NC to +85NC
MAX174_M, MX_74AS/T/U............................. -55NC to +125NC
Storage Temperature Range............................. -55NC to +160NC
Lead Temperature (soldering, 10s).................................+300NC
Soldering Temperature (reflow)
PDIP, Wide SO..............................................................+260NC
PLCC.............................................................................+245NC
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-
tion 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—MAX174
(VL = +5V, VEE = +15V or +12V, VEE = -15V or -12V, TA = +25NC, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
ACCURACY
Resolution
RES
TA = +25°C
MAX174A/B
MAX174C
Integral Nonlinearity
INL MAX174AC/BC
TA = TMIN to TMAX MAX174AE/BE/AM/BM
MAX174C
Differential Nonlinearity
Unipolar Offset Error (Note 1)
DNL
12 bits, no missing codes over temperature
MAX174A/B
MAX174C
Bipolar Offset Error (Notes 2, 3)
MAX174A
MAX174B/C
Full-Scale Calibration Error (Note 3)
TEMPERATURE COEFFICIENTS (Using Internal Reference) (Notes 2, 3, 4)
Unipolar Offset Change
MAX174A/B
MAX174C
MAX174AC/BC
MAX174CC
Bipolar Offset Change
MAX174AE/AM
MAX174BE/BM
MAX174CE/CM
MIN TYP MAX UNITS
12 Bits
±1/2
±1
±1/2 LSB
±3/4
±1
±1 LSB
±1
±2
LSB
±3
±4
LSB
±0.25 %
±1
±2
LSB
±1
±2
±1 LSB
±2
±4
����������������������������������������������������������������� Maxim Integrated Products  2


Part Number MAX174
Description Complete 12-Bit ADCs
Maker Maxim
Total Page 18 Pages
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