Rainbow-electronics MAX1230 Manual do Utilizador Página 1

Consulte online ou descarregue Manual do Utilizador para Sensores Rainbow-electronics MAX1230. Rainbow Electronics MAX1230 User Manual Manual do Utilizador

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General Description
The MAX1226/MAX1228/MAX1230 are serial 12-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
MAX1230 has 16 input channels, the MAX1228 has 12
input channels, and the MAX1226 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 MAX1230 is available in 28-pin 5mm x 5mm QFN
with exposed pad and 24-pin QSOP packages. The
MAX1226/MAX1228 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
Features
Internal Temperature Sensor (±1°C Accuracy)
16-Entry First-In/First-Out (FIFO)
Analog Multiplexer with True Differential
Track/Hold
16-, 12-, 8-Channel Single Ended
8-, 6-, 4-Channel True Differential
(Unipolar or Bipolar)
Accuracy: ±1 LSB INL, ±1 LSB DNL, No Missing
Codes Over Temperature
Scan Mode, Internal Averaging, and Internal Clock
Low-Power Single +5V Operation
1.9mA at 300ksps
Internal 4.096V Reference or External Differential
Reference
10MHz 3-Wire SPI/QSPI/MICROWIRE-Compatible
Interface
Space-Saving 28-Pin 5mm x 5mm QFN Package
MAX1226/MAX1228/MAX1230
12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
________________________________________________________________ Maxim Integrated Products 1
Pin Configurations
19-2852; Rev 1; 7/03
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.
EVALUATION KIT
AVAILABLE
Ordering Information
*Future product—contact factory for availability.
Ordering Information continued at end of data sheet.
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
AIN0
EOC
DOUT
DIN
CS
SCLK
V
DD
GND
REF+
MAX1226
QSOP
AIN1
AIN2
AIN5
AIN3
AIN4
REF-/AIN6
CNVST/AIN7
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
EOC
DOUT
DIN
CSAIN3
AIN2
AIN1
AIN0
SCLK
V
DD
GND
REF+AIN7
AIN6
AIN5
AIN4
12
11
9
10
CNVST/AIN11
REF-/AIN10AIN9
AIN8
MAX1228
QSOP
TOP VIEW
PART TEMP RANGE PIN-PACKAGE
MAX1226ACEE-T* 0°C to +70°C 16 QSOP
MAX1226AEEE-T* -40°C to +85°C 16 QSOP
Pin Configurations continued at end of data sheet.
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
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Página 1 - MAX1226/MAX1228/MAX1230

General DescriptionThe MAX1226/MAX1228/MAX1230 are serial 12-bit ana-log-to-digital converters (ADCs) with an internal referenceand an internal temper

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference10 ______________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference_________________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference_________________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference_________________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference16 ______________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference_________________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference_________________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference22 ______________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference_________________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal ReferenceMaxim cannot assume responsibility for use of any circuitry other

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference_________________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference_________________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference6 _______________________________________________________________

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MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference_________________________________________________________________

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Página 24 - 5x5x0.90 MM

MAX1226/MAX1228/MAX123012-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference_________________________________________________________________

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