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Maxim Integrated Semiconductor Electronic Components Datasheet


MAX1062

200ksps ADC



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MAX1062 pdf
19-2203; Rev 1; 5/09
14-Bit, +5V, 200ksps ADC with 10µA Shutdown
General Description
The MAX1062 low-power, 14-bit analog-to-digital con-
verter (ADC) features a successive approximation ADC,
automatic power-down, fast 1.1µs wake-up, and a high-
speed SPI™/QSPI™/MICROWIRE™-compatible inter-
face. The MAX1062 operates with a single +5V analog
supply and features a separate digital supply, allowing
direct interfacing with 2.7V to 5.25V digital logic.
At the maximum sampling rate of 200ksps, the
MAX1062 consumes typically 2.75mA. Power con-
sumption is typically 13.75mW (AVDD = DVDD = 5V) at
a 200ksps (max) sampling rate. AutoShutdown™
reduces supply current to 140µA at 10ksps and to less
than 10µA at reduced sampling rates.
Excellent dynamic performance and low power, com-
bined with ease of use and small package size (10-pin
µMAX®) make the MAX1062 ideal for battery-powered
and data-acquisition applications or for other circuits
with demanding power consumption and space
requirements.
Features
14-Bit Resolution, 1LSB DNL
+5V Single-Supply Operation
Adjustable Logic Level (2.7V to 5.25V)
Input Voltage Range: 0 to VREF
Internal Track/Hold, 4MHz Input Bandwidth
SPI/QSPI/MICROWIRE-Compatible Serial Interface
Small 10-Pin µMAX Package
Low Power
2.75mA at 200ksps
140µA at 10ksps
0.1µA in Power-Down Mode
Applications
Motor Control
Industrial Process Control
Industrial I/O Modules
Data-Acquisition Systems
Thermocouple Measurements
Accelerometer Measurements
Portable- and Battery-Powered Equipment
Ordering Information
PART
MAX1062ACUB
MAX1062BCUB
MAX1062CCUB
MAX1062AEUB
MAX1062BEUB
MAX1062CEUB
TEMP.
RANGE
0°C to 70°C
0°C to 70°C
0°C to 70°C
-40°C to 85°C
-40°C to 85°C
-40°C to 85°C
PIN-
PACKAGE
10 µMAX
10 µMAX
10 µMAX
10 µMAX
10 µMAX
10 µMAX
INL
(LSB)
±1
±2
±3
±1
±2
±3
Functional Diagram appears at end of data sheet.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Pin Configuration
TOP VIEW
REF 1
AVDD 2
AGND 3
CS 4
SCLK 5
MAX1062
µMAX
10 AIN
9 AGND
8 DVDD
7 DGND
6 DOUT
________________________________________________________________ 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



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MAX1062 pdf
14-Bit, +5V, 200ksps ADC with 10µA Shutdown
ABSOLUTE MAXIMUM RATINGS
AVDD to AGND ........................................................-0.3V to +6V
DVDD to DGND........................................................-0.3V to +6V
DGND to AGND....................................................-0.3V to +0.3V
AIN, REF to AGND ...................................-0.3V to (AVDD + 0.3V)
SCLK, CS to DGND ..................................................-0.3V to +6V
DOUT to DGND .......................................-0.3V to (DVDD + 0.3V)
Maximum Current Into Any Pin ...........................................50mA
Continuous Power Dissipation (TA = +70°C)
10-Pin µMAX (derate 5.6mW/°C above +70°C) ..........444mW
Operating Temperature Ranges
MAX1062_CUB .................................................0°C to +70°C
MAX1062_EUB ..............................................-40°C to +85°C
Maximum 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
(AVDD = DVDD = +4.75V to +5.25V, fSCLK = 4.8MHz (50% duty cycle), 24 clocks/conversion (200ksps), VREF = +4.096V, TA = TMIN
to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
DC ACCURACY (NOTE 1)
Resolution
MAX1062A
Relative Accuracy (Note 2)
INL MAX1062B
MAX1062C
Differential Nonlinearity
DNL No missing codes over temperature
Transition Noise
RMS noise
Offset Error
Gain Error (Note 3)
Offset Drift
Gain Drift (Note 3)
DYNAMIC SPECIFICATIONS (1kHz sine wave, 4.096Vp-p) (Note 1)
Signal-to-Noise Plus Distortion
SINAD
Signal-to-Noise Ratio
SNR
Total Harmonic Distortion
THD
Spurious-Free Dynamic Range
SFDR
Full-Power Bandwidth
-3dB point
Full-Linear Bandwidth
SINAD > 81dB
CONVERSION RATE
Conversion Time (Note 4)
Serial Clock Frequency
tCONV
fSCLK
Aperture Delay
Aperture Jitter
Sample Rate
Track/Hold Acquisition Time
fS
tACQ
fSCLK / 24
MIN TYP MAX UNITS
14 Bits
±1
±2 LSB
±3
±0.5 ±1
LSB
±0.32
LSBRMS
0.2 1
mV
±0.002 ±0.01 %FSR
0.4 ppm/oC
0.2 ppm/oC
81 84
dB
82 84
dB
-99 -86
dB
87 101
dB
4 MHz
20 kHz
5 240 µs
0.1 4.8 MHz
15 ns
<50 ps
200 ksps
1.1 µs
2 _______________________________________________________________________________________



Part Number MAX1062
Description 200ksps ADC
Maker Maxim - Maxim
Total Page 18 Pages
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