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MAX1229

Description
12-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
Categorysemiconductor    logic   
File Size253KB,22 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric Compare View All

MAX1229 Overview

12-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20

MAX1229 Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals20
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Rated supply voltage2.7 V
Maximum linear error0.0244 %
Maximum limit analog input voltage1.26 V
Minimum limit analog input voltage-1.24 V
Processing package descriptionQSOP-20
stateACTIVE
CraftsmanshipBICMOS
packaging shapeRectangle
Package SizeSMALL OUTLINE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.6350 mm
terminal coatingtin lead
Terminal locationpair
Packaging MaterialsPlastic/Epoxy
Temperature levelINDUSTRIAL
Sampling Rate0.3000 MHz
Output formatserial
Type of convertercontinuous approximation
Number of digits12
Output bit encodingbinary, 2S supplementary binary
Number of analog channels12
Sample and hold and track and holdTRACK
19-2851; Rev 3; 2/10
IT
TION K
VALUA
E
BLE
AVAILA
12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
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 Overtemperature
Scan Mode, Internal Averaging, and Internal Clock
Low-Power Single +3V Operation
0.62mA at 300ksps
Internal 2.5V Reference or External Differential
Reference
10MHz 3-Wire SPI-/QSPI-/MICROWIRE-Compatible
Interface
Space-Saving 28-Pin 5mm x 5mm TQFN Package
General Description
The MAX1227/MAX1229/MAX1231 are serial 12-bit ana-
log-to-digital converters (ADCs) with an internal reference
and an internal temperature sensor. These devices fea-
ture an on-chip FIFO, scan mode, internal clock mode,
internal averaging, and AutoShutdown™. The maximum
sampling rate is 300ksps using an external clock. The
MAX1231 has 16 input channels, the MAX1229 has 12
input channels, and the MAX1227 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 +3V supply and contain a 10MHz
SPI™-/QSPI™-/MICROWIRE™-compatible serial port.
The MAX1231 is available in 28-pin 5mm x 5mm TQFN
with exposed pad and 24-pin QSOP packages. The
MAX1227/MAX1229 are only available in QSOP pack-
ages. All three devices are specified over the extended
-40°C to +85°C temperature range.
MAX1227/MAX1229/MAX1231
________________________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.
Ordering Information
PART
MAX1227BCEE-T
MAX1227BEEE-T
MAX1229BCEP-T
MAX1229BEEP-T
TEMP RANGE
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
PIN-PACKAGE
16 QSOP
16 QSOP
20 QSOP
20 QSOP
Ordering Information continued at end of data sheet.
Pin Configurations
AIN0 1
AIN0 1
AIN1 2
AIN2 3
AIN3 4
AIN4 5
AIN5 6
REF-/AIN6 7
CNVST/AIN7 8
AIN1 2
16 EOC
AIN2 3
15 DOUT
AIN3 4
14 DIN
17 CS
AIN4 5
13 CS
AIN5 6
12 SCLK
AIN6 7
11 V
DD
10 GND
9
REF+
AIN8 9
AIN9 10
12 CNVST/AIN11
11 REF-/AIN10
AIN7 8
15 V
DD
14 GND
13 REF+
18 DIN
20 EOC
19 DOUT
TOP VIEW
MAX1229
MAX1227
16 SCLK
QSOP
Pin Configurations continued at end of data sheet.
QSOP
________________________________________________________________
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.

MAX1229 Related Products

MAX1229 MAX1227 MAX1231 MAX1227_10
Description 12-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 12-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 12-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 12-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
Number of functions 1 1 1 1
Number of terminals 20 20 20 20
Maximum operating temperature 85 Cel 85 Cel 85 Cel 85 Cel
Minimum operating temperature -40 Cel -40 Cel -40 Cel -40 Cel
Rated supply voltage 2.7 V 2.7 V 2.7 V 2.7 V
Maximum linear error 0.0244 % 0.0244 % 0.0244 % 0.0244 %
Maximum limit analog input voltage 1.26 V 1.26 V 1.26 V 1.26 V
Minimum limit analog input voltage -1.24 V -1.24 V -1.24 V -1.24 V
Processing package description QSOP-20 QSOP-20 QSOP-20 QSOP-20
state ACTIVE ACTIVE ACTIVE ACTIVE
Craftsmanship BICMOS BICMOS BICMOS BICMOS
packaging shape Rectangle Rectangle Rectangle Rectangle
Package Size SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH
surface mount Yes Yes Yes Yes
Terminal form GULL WING GULL WING GULL WING GULL WING
Terminal spacing 0.6350 mm 0.6350 mm 0.6350 mm 0.6350 mm
terminal coating tin lead tin lead tin lead tin lead
Terminal location pair pair pair pair
Packaging Materials Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Sampling Rate 0.3000 MHz 0.3000 MHz 0.3000 MHz 0.3000 MHz
Output format serial serial serial serial
Type of converter continuous approximation continuous approximation continuous approximation continuous approximation
Number of digits 12 12 12 12
Output bit encoding binary, 2S supplementary binary binary, 2S supplementary binary binary, 2S supplementary binary binary, 2S supplementary binary
Number of analog channels 12 12 12 12
Sample and hold and track and hold TRACK TRACK TRACK TRACK
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