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Maxim Integrated Semiconductor Electronic Components Datasheet


MAX1026

(MAX1030 / MAX1028 / MAX1026) 10-Bit 300ksps ADCs with FIFO / Temp Sensor / Internal Reference



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MAX1026 pdf
19-2853; Rev 1; 7/03
EVAALVUAAILTAIOBNLEKIT
10-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
General Description
The MAX1026/MAX1028/MAX1030 are serial 10-bit ana-
log-to-digital converters (ADCs) with an internal reference
and an internal temperature sensor. These devices fea-
ture on-chip FIFO, scan mode, internal clock mode, inter-
nal averaging, and AutoShutdown™. The maximum
sampling rate is 300ksps using an external clock. The
MAX1030 has 16 input channels, the MAX1028 has 12
input channels, and the MAX1026 has 8 input channels.
All input channels are configurable for single-ended or
differential inputs in unipolar or bipolar mode. All three
devices operate from a +5V supply and contain a 10MHz
SPI™/QSPI™/MICROWIRE™-compatible serial port.
The MAX1030 is available in 28-pin 5mm x 5mm QFN
with exposed pad and 24-pin QSOP packages. The
MAX1026/MAX1028 are only available in QSOP pack-
ages. All three devices are specified over the extended
-40°C to +85°C temperature range.
________________________Applications
System Supervision
Data-Acquisition Systems
Industrial Control Systems
Patient Monitoring
Data Logging
Instrumentation
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Features
o Internal Temperature Sensor (±1°C Accuracy)
o 16-Entry First-In/First-Out (FIFO)
o Analog Multiplexer with True Differential
Track/Hold
16-, 12-, 8-Channel Single Ended
8-, 6-, 4-Channel True Differential
(Unipolar or Bipolar)
o Accuracy: ±1 LSB INL, ±1 LSB DNL, No Missing
Codes Over Temperature
o Scan Mode, Internal Averaging, and Internal Clock
o Low-Power Single +5V Operation
1.9mA at 300ksps
o Internal 4.096V Reference or External Differential
Reference
o 10MHz 3-Wire SPI/QSPI/MICROWIRE-Compatible
Interface
o Space-Saving 28-Pin 5mm x 5mm QFN Package
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX1026ACEE-T*
0°C to +70°C
16 QSOP
MAX1026AEEE-T* -40°C to +85°C
16 QSOP
*Future product—contact factory for availability.
Ordering Information continued at end of data sheet.
Pin Configurations
TOP VIEW
AIN0 1
AIN1 2
AIN2 3
AIN3 4
AIN4 5
AIN5 6
REF-/AIN6 7
CNVST/AIN7 8
MAX1026
16 EOC
15 DOUT
14 DIN
13 CS
12 SCLK
11 VDD
10 GND
9 REF+
QSOP
Pin Configurations continued at end of data sheet.
AIN0 1
AIN1 2
AIN2 3
AIN3 4
AIN4 5
AIN5 6
AIN6 7
AIN7 8
AIN8 9
AIN9 10
MAX1028
QSOP
20 EOC
19 DOUT
18 DIN
17 CS
16 SCLK
15 VDD
14 GND
13 REF+
12 CNVST/AIN11
11 REF-/AIN10
________________________________________________________________ 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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MAX1026 pdf
10-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
ABSOLUTE MAXIMUM RATINGS
VDD to GND ..............................................................-0.3V to +6V
CS, SCLK, DIN, EOC, DOUT to GND.........-0.3V to (VDD + 0.3V)
AIN0AIN13, REF-/AIN_, CNVST/AIN_,
REF+ to GND.........................................-0.3V to (VDD + 0.3V)
Maximum Current into Any Pin............................................50mA
Continuous Power Dissipation (TA = +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW
20-Pin QSOP (derate 9.1mW/°C above +70°C)...........727mW
24-Pin QSOP (derate 9.5mW/°C above +70°C)...........762mW
28-Pin QFN 5mm x 5mm
(derate 20.8mW/°C above +70°C) ..........................1667mW
Operating Temperature Ranges
MAX10__C__.......................................................0°C to +70°C
MAX10__E__ ....................................................-40°C to +85°C
Storage Temperature Range .............................-60°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
(VDD = +5V ±5%, fSAMPLE = 300kHz, fSCLK = 4.8MHz (50% duty cycle), VREF = 4.096V, TA = TMIN to TMAX, unless otherwise noted.
Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
DC ACCURACY (Note 1)
Resolution
RES
10
Integral Nonlinearity
INL
Differential Nonlinearity
DNL No missing codes over temperature
Offset Error
Gain Error
(Note 2)
Offset Error Temperature
Coefficient
Gain Temperature Coefficient
Channel-to-Channel Offset
Matching
DYNAMIC SPECIFICATIONS (10kHz sine wave input, 4.096VP-P, 300ksps, fSCLK = 4.8MHz)
Signal-to-Noise Plus Distortion
SINAD
Total Harmonic Distortion
THD Up to the 5th harmonic
Spurious-Free Dynamic Range
SFDR
Intermodulation Distortion
Full-Power Bandwidth
IMD fin1 = 9.9kHz, fin2 = 10.2kHz
-3dB point
Full-Linear Bandwidth
S / (N + D) > 68dB
TYP
±0.5
±0.5
±2
±0.8
±0.1
70
-82
80
76
1
25
MAX UNITS
±1.0
±1.0
±2.0
±2.0
Bits
LSB
LSB
LSB
LSB
ppm/°C
FSR
ppm/°C
LSB
dB
dBc
dBc
dBc
MHz
kHz
2 _______________________________________________________________________________________



Part Number MAX1026
Description (MAX1030 / MAX1028 / MAX1026) 10-Bit 300ksps ADCs with FIFO / Temp Sensor / Internal Reference
Maker Maxim Integrated Products - Maxim Integrated Products
Total Page 24 Pages
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