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MAX156AEWI/GG8-T

Description
Analog-to-Digital Converter - ADC High-Speed, 8-Channel, 8-Bit ADC with Simultaneous Track/Holds and Reference
CategoryAnalog mixed-signal IC    converter   
File Size972KB,21 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric Compare View All

MAX156AEWI/GG8-T Overview

Analog-to-Digital Converter - ADC High-Speed, 8-Channel, 8-Bit ADC with Simultaneous Track/Holds and Reference

MAX156AEWI/GG8-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
package instructionSOP,
Reach Compliance Codecompliant
Maximum analog input voltage2.625 V
Minimum analog input voltage-2.375 V
Maximum conversion time3.8 µs
Converter typeADC, SUCCESSIVE APPROXIMATION
JESD-30 codeR-PDSO-G28
length18.085 mm
Maximum linear error (EL)0.1953%
Nominal negative supply voltage-5 V
Number of analog input channels4
Number of digits8
Number of functions1
Number of terminals28
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit codeBINARY
Output formatPARALLEL, 8 BITS
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Sampling rate0.22 MHz
Sample and hold/Track and holdTRACK
Maximum seat height2.642 mm
Nominal supply voltage5 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width7.493 mm
EVALUATION KIT AVAILABLE
MAX155/MAX156
8-/4-Channel ADCs with Simultaneous
T/Hs and Reference
General Description
The MAX155/MAX156 are high-speed, 8-bit, multichan-
nel analog-to-digital converters (ADCs) with simultaneous
track/holds (T/Hs) to eliminate timing differences between
input channel samples. The MAX155 has 8 analog input
channels and the MAX156 has 4 analog input channels.
Each channel has its own T/H, and all T/Hs sample at the
same instant. The ADC converts a channel in 3.6µs and
stores the result in an internal 8x8 RAM. The MAX155/
MAX156 also feature a 2.5V internal reference and
power-down capability, providing a complete, sampling
data-acquisition system.
When operating from a single +5V supply, the MAX155/
MAX156 perform either unipolar or bipolar, single-ended
or differential conversions. For applications requiring
wider dynamic range or bipolar conversions around
ground, the V
SS
supply pin may be connected to -5V.
Conversions are initiated with a pulse to the
WR
pin, and data
is accessed from the ADC’s RAM with a pulse to the
RD
pin.
A bidirectional interface updates the channel configuration
and provides output data. The ADC may also be wired for
output-only operation.The MAX155 comes in 28-pin PDIP
and wide SO packages, and the MAX156 comes in 24-pin
narrow PDIP and 28-pin wide SO packages.
Features
8 Simultaneously Sampling Track/Hold Inputs
3.6µs Conversion Time Per Channel
Unipolar or Bipolar Input Range
Single-Ended or Differential Inputs
Mixed Input Configurations Possible
2.5V Internal Reference
Single +5V or Dual ±5V Supply Operation
Applications
Phase-Sensitive Data Acquisition
Vibration and Waveform Analysis
DSP Analog Input
AC Power Meters
Portable Data Loggers
Ordering Information
appears at end of data sheet.
For related parts and recommended products to use with this part, refer
to
www.maximintegrated.com/MAX155.related.
Functional Diagram
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
T/H
T/H
T/H
T/H
T/H
T/H
T/H
T/H
8
CONTROL
LOGIC
8x8
RAM
8-BIT
A/D
3.6µs
8
8
MAX155
CLK
REFIN
2.5V
V
REF
THREE-
STATE
BUFFER
8
REFOUT
8-BIT
DATA
8 BUS
CS
RD
WR
MODE
19-2949; Rev 2; 1/12

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Is it lead-free? Contains lead Lead free - - Lead free Lead free Lead free
Is it Rohs certified? incompatible conform to - incompatible conform to conform to conform to
Maker Maxim Maxim Maxim - Maxim - Maxim
package instruction SOP, DIP, - CHIP SOP, SOP28,.4 SOP, SOP28,.4 DIP, DIP24,.3
Reach Compliance Code compliant compliant - compliant compliant compliant compliant
Maximum analog input voltage 2.625 V 2.625 V - - 2.625 V 6.25 V 2.625 V
Minimum analog input voltage -2.375 V -2.375 V - - -2.375 V -0.3 V -2.375 V
Maximum conversion time 3.8 µs 3.8 µs - - 3.8 µs 3.8 µs 3.8 µs
Converter type ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION - - ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION
JESD-30 code R-PDSO-G28 R-PDIP-T28 - - R-PDSO-G28 R-PDSO-G28 R-PDIP-T24
length 18.085 mm 36.83 mm - - 17.9 mm 17.9 mm -
Maximum linear error (EL) 0.1953% 0.3906% - - 0.1953% 0.1953% 0.3906%
Nominal negative supply voltage -5 V -5 V - - -5 V -5 V -5 V
Number of analog input channels 4 8 - - 8 4 4
Number of digits 8 8 - - 8 8 8
Number of functions 1 1 - - 1 1 1
Number of terminals 28 28 - 2 28 28 24
Maximum operating temperature 85 °C 70 °C - 155 °C 70 °C 85 °C 85 °C
Minimum operating temperature -40 °C - - -55 °C - -40 °C -40 °C
Output bit code BINARY BINARY - - BINARY BINARY BINARY
Output format PARALLEL, 8 BITS PARALLEL, 8 BITS - - PARALLEL, 8 BITS PARALLEL, 8 BITS PARALLEL, 8 BITS
Package body material PLASTIC/EPOXY PLASTIC/EPOXY - - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP DIP - - SOP SOP DIP
Package shape RECTANGULAR RECTANGULAR - - RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE IN-LINE - SMT SMALL OUTLINE SMALL OUTLINE IN-LINE
Peak Reflow Temperature (Celsius) NOT SPECIFIED 260 - - 260 260 NOT SPECIFIED
Sample and hold/Track and hold TRACK TRACK - - TRACK TRACK TRACK
Maximum seat height 2.642 mm 4.445 mm - - 2.65 mm 2.65 mm -
Nominal supply voltage 5 V 5 V - - 5 V 5 V 5 V
surface mount YES NO - YES YES YES NO
Temperature level INDUSTRIAL COMMERCIAL - - COMMERCIAL INDUSTRIAL INDUSTRIAL
Terminal form GULL WING THROUGH-HOLE - - GULL WING GULL WING THROUGH-HOLE
Terminal pitch 1.27 mm 2.54 mm - - 1.27 mm 1.27 mm 2.54 mm
Terminal location DUAL DUAL - - DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED 30 - - 30 30 NOT SPECIFIED
width 7.493 mm 15.24 mm - - 7.5 mm 7.5 mm -
ECCN code - EAR99 - EAR99 EAR99 EAR99 -
JESD-609 code - e3 - e0 e3 e3 e3
Humidity sensitivity level - 1 - - 1 1 1
Certification status - Not Qualified - - Not Qualified Not Qualified Not Qualified
Terminal surface - TIN - Tin/Lead (Sn63Pb37) - with Nickel (Ni) barrier Matte Tin (Sn) Matte Tin (Sn) NOT SPECIFIED
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