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MAX126

Description
2x4-Channel, Simultaneous-Sampling 14-Bit DAS
CategoryAnalog mixed-signal IC    The signal circuit   
File Size177KB,15 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric Compare View All

MAX126 Overview

2x4-Channel, Simultaneous-Sampling 14-Bit DAS

MAX126 Parametric

Parameter NameAttribute value
MakerMaxim
Parts packaging codeSSOP
package instruction0.300 INCH, 0.80 MM PITCH, SSOP-36
Contacts36
Reach Compliance Codeunknow
Is SamacsysN
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeR-PDSO-G36
JESD-609 codee0
length15.415 mm
Nominal Negative Supply Voltage (Vsup)-5 V
Number of terminals36
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Certification statusNot Qualified
Maximum seat height2.64 mm
Nominal supply voltage (Vsup)5 V
surface mountYES
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch0.8 mm
Terminal locationDUAL
width7.495 mm
Base Number Matches1
19-1319; Rev 3; 7/08
KIT
ATION
EVALU
E
BL
AVAILA
2x4-Channel, Simultaneous-Sampling
14-Bit DAS
General Description
Features
Four Simultaneous-Sampling T/H Amplifiers with
Two Multiplexed Inputs (eight single-ended inputs
total)
3µs Conversion Time per Channel
Throughput: 250ksps (1 channel)
142ksps (2 channels)
100ksps (3 channels)
76ksps (4 channels)
Input Range: ±5V (MAX125)
±2.5V (MAX126)
Fault-Protected Input Multiplexer (±17V)
±5V Supplies
Internal +2.5V or External Reference Operation
Programmable On-Board Sequencer
High-Speed Parallel DSP Interface
MAX125/MAX126
The MAX125/MAX126 are high-speed, multichannel,
14-bit data-acquisition systems (DAS) with simultaneous
track/holds (T/Hs). These devices contain a 14-bit, 3µs,
successive-approximation analog-to-digital converter
(ADC), a +2.5V reference, a buffered reference input,
and a bank of four simultaneous-sampling T/H ampli-
fiers that preserve the relative phase information of the
sampled inputs. The MAX125/MAX126 have two multi-
plexed inputs for each T/H, allowing a total of eight
inputs. In addition, the converter is overvoltage tolerant
to ±17V; a fault condition on any channel will not harm
the IC. Available input ranges are ±5V (MAX125) and
±2.5V (MAX126).
An on-board sequencer converts one to four channels
per
CONVST
pulse. In the default mode, one T/H output
(CH1A) is converted. An interrupt signal (INT) is provided
after the last conversion is complete. Convert two,
three, or four channels by reprogramming the
MAX125/MAX126 through the bidirectional parallel
interface. Once programmed, the MAX125/MAX126
continue to convert the specified number of channels
per
CONVST
pulse until they are reprogrammed. The
channels are converted sequentially, beginning with
CH1. The
INT
signal always follows the end of the last
conversion in a conversion sequence. The ADC con-
verts each assigned channel in 3µs and stores the
result in an internal 14x4 RAM. Upon completion of the
conversions, data can be accessed by applying suc-
cessive pulses to the
RD
pin. Four successive reads
access four data words sequentially.
The parallel interface’s data-access and bus-release
timing specifications are compatible with most popular
digital signal processors and 16-bit/32-bit microproces-
sors, so the MAX125/MAX126 conversion results can
be accessed without resorting to wait states.
Ordering Information
PART
MAX125CCAX
MAX125CEAX
MAX126CCAX
MAX126CEAX
TEMP RANGE
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
PIN-PACKAGE
36 SSOP
36 SSOP
36 SSOP
36 SSOP
INL
(LSB)
±4
±4
±4
±4
Applications
Multiphase Motor Control
Power-Grid Synchronization
Power-Factor Monitoring
Digital Signal Processing
Vibration and Waveform Analysis
Typical Operating Circuit appears at end of data sheet.
Pin Configuration appears at end of data sheet.
________________________________________________________________
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.

MAX126 Related Products

MAX126 MAX125_08 MAX125
Description 2x4-Channel, Simultaneous-Sampling 14-Bit DAS 2x4-Channel, Simultaneous-Sampling 14-Bit DAS 2x4-Channel, Simultaneous-Sampling 14-Bit DAS
Maker Maxim - Maxim
Parts packaging code SSOP - SSOP
package instruction 0.300 INCH, 0.80 MM PITCH, SSOP-36 - SSOP,
Contacts 36 - 36
Reach Compliance Code unknow - compli
Is Samacsys N - N
Analog Integrated Circuits - Other Types ANALOG CIRCUIT - ANALOG CIRCUIT
JESD-30 code R-PDSO-G36 - R-PDSO-G36
JESD-609 code e0 - e0
length 15.415 mm - 15.415 mm
Nominal Negative Supply Voltage (Vsup) -5 V - -5 V
Number of terminals 36 - 36
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY
encapsulated code SSOP - SSOP
Package shape RECTANGULAR - RECTANGULAR
Package form SMALL OUTLINE, SHRINK PITCH - SMALL OUTLINE, SHRINK PITCH
Certification status Not Qualified - Not Qualified
Maximum seat height 2.64 mm - 2.64 mm
Nominal supply voltage (Vsup) 5 V - 5 V
surface mount YES - YES
Terminal surface TIN LEAD - TIN LEAD
Terminal form GULL WING - GULL WING
Terminal pitch 0.8 mm - 0.8 mm
Terminal location DUAL - DUAL
width 7.495 mm - 7.495 mm
Base Number Matches 1 - 1

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Index Files: 139  1719  627  854  1023  3  35  13  18  21 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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