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Maxim Integrated Semiconductor Electronic Components Datasheet


MAX1066

(MAX1065 / MAX1066) 14-Bit Analog-to-Digital Converters


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MAX1066 pdf
19-2466; Rev 0; 4/02
Low-Power, 14-Bit Analog-to-Digital Converters
with Parallel Interface
General Description
The MAX1065/MAX1066 14-bit, low-power successive
approximation analog-to-digital converters (ADCs) fea-
ture automatic power-down, a factory-trimmed internal
clock, and a high-speed, 14-bit-wide (MAX1065) or
byte-wide (MAX1066) parallel interface. The devices
operate from a single 4.75V to 5.25V analog supply and
a 2.7V to 5.25V digital supply.
The MAX1065/MAX1066 use an internal 4.096V refer-
ence or an external reference. The MAX1065/MAX1066
consume only 1.8mA at a sampling rate of 165ksps with
external reference and 2.7mA with internal reference.
AutoShutdown™ reduces supply current to 0.1mA at
10ksps.
The MAX1065/MAX1066 are ideal for high-performance,
battery-powered, data-acquisition applications.
Excellent dynamic performance and low-power con-
sumption in a small package make the MAX1065/
MAX1066 the best choice for circuits with demanding
power consumption and space requirements.
The 14-bit-wide MAX1065 is available in a 28-pin TSSOP
package, and the byte-wide MAX1066 is available in a
20-pin TSSOP package. Both devices are available in
either the 0°C to +70°C commercial, or the -40°C to
+85°C extended temperature range.
Applications
Temperature
Sensor/Monitor
Industrial Process
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I/O Boards
Data-Acquisition
Systems
Cable/Harness Tester
Accelerometer
Measurements
Digital Signal Processing
Typical Operating Circuit
5V ANALOG
5V DIGITAL
0.1µF
0.1µF
ANALOG INPUT
AVDD
AIN
µP DATA
DVDD
BUS
D0–D13
R/C MAX1065 EOC
CS REF
RESET
REFADJ
AGND DGND 0.1µF
1µF
Features
o 14-Bit-Wide (MAX1065) and Byte-Wide (MAX1066)
Parallel Interface
o High Speed: 165ksps Sample Rate
o Accurate: ±1LSB DNL (max), ±1LSB INL (max)
o 4.096V, 35ppm/°C Internal Reference
o External Reference Range 3.8V to 5.25V
o Single 4.75V to 5.25V Analog Supply Voltage
o 2.7V to 5.25V Digital Supply Voltage
o Low Supply Current
1.8mA (External Reference)
2.7mA (Internal Reference)
0.1mA AutoShutdown Mode (10ksps, External
Reference)
o Small Footprint
28-Pin TSSOP Package (14-Bit Wide)
20-Pin TSSOP Package (Byte Wide)
PART
MAX1065ACUI
MAX1065BCUI
MAX1065CCUI
MAX1065AEUI
MAX1065BEUI
MAX1065CEUI
MAX1066ACUP
MAX1066BCUP
MAX1066CCUP
MAX1066AEUP
MAX1066BEUP
MAX1066CEUP
Ordering Information
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
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
28 TSSOP
28 TSSOP
28 TSSOP
28 TSSOP
28 TSSOP
28 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
INL
±1
±2
±3
±1
±2
±3
±1
±2
±3
±1
±2
±3
Pin Configurations appear at end of data sheet.
AutoShutdown is a registered trademark of Maxim Integrated
Products, Inc.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.



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MAX1066 pdf
Low-Power, 14-Bit Analog-to-Digital Converters
with Parallel Interface
ABSOLUTE MAXIMUM RATINGS
AVDD to AGND .........................................................-0.3V to +6V
DVDD to DGND.........................................................-0.3V to +6V
AGND to DGND.....................................................-0.3V to +0.3V
AIN, REF, REFADJ to AGND....................-0.3V to (AVDD + 0.3V)
CS, HBEN, R/C, RESET to DGND ............................-0.3V to +6V
Digital Output (D13D0, EOC)
to DGND ..................................................-0.3V to (DVDD + 0.3V)
Maximum Continuous Current Into Any Pin ........................50mA
Continuous Power Dissipation (TA = +70°C)
20-Pin TSSOP (derate 10.9mW/°C above +70°C) .......879mW
28-Pin TSSOP (derate 12.8mW/°C above +70°C) .....1026mW
Operating Temperature Ranges
MAX106_ _CU_ ...................................................0°C to +70°C
MAX106_ _EU_ ................................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+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 = 5V, external reference = 4.096V, CREF = 1µF, CREFADJ = 0.1µF, TA = TMIN to TMAX, unless otherwise noted.
Typical values are at TA = +25°C.)
PARAMETER
DC ACCURACY
Resolution
Relative Accuracy (Note 1)
Differential Nonlinearity
SYMBOL
CONDITIONS
N
INL
DNL
MAX106_A
MAX106_B
MAX106_C
No missing codes over temperature
MIN
TYP
MAX UNITS
14 Bits
±1
±2 LSB
±3
±1 LSB
Transition Noise
RMS noise, includes quantization
noise
0.32
LSBRMS
Offset Error
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(Note 2)
Offset Drift
Gain Drift
DYNAMIC PERFORMANCE (fIN(SINE-WAVE) = 1kHz, VIN = 4.096VP-P, 165ksps)
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
Sample Rate
fSAMPLE
Aperture Delay
Aperture Jitter
ANALOG INPUT
Input Range
VAIN
Input Capacitance
CAIN
0.2
±0.002
0.6
0.2
1
±0.02
mV
%FSR
ppm/°C
ppm/°C
81 84
dB
82 84
dB
-99 -86 dB
87 102
dB
4 MHz
20 kHz
165 ksps
40 ns
100 ps
0
VREF
V
40 pF
2 _______________________________________________________________________________________



Part Number MAX1066
Description (MAX1065 / MAX1066) 14-Bit Analog-to-Digital Converters
Maker Maxim Integrated Products - Maxim Integrated Products
Total Page 14 Pages
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