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MAX14002AAP+T

Description
Analog-to-digital converter - ADC Configurable, Isolated 10-bit ADCs for Multi-Range Binary Inputs
CategoryAnalog mixed-signal IC    converter   
File Size1MB,35 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

MAX14002AAP+T Overview

Analog-to-digital converter - ADC Configurable, Isolated 10-bit ADCs for Multi-Range Binary Inputs

MAX14002AAP+T Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMaxim
package instructionSSOP, SSOP20,.3
Reach Compliance Codecompliant
Factory Lead Time18 weeks
Samacsys DescriptionAnalog to Digital Converters - ADC Configurable, Isolated 10-bit ADCs for Multi-Range Binary Inputs
Maximum analog input voltage1.35 V
Minimum analog input voltage
Converter typeADC, PROPRIETARY METHOD
JESD-30 codeR-PDSO-G20
length7.2 mm
Maximum linear error (EL)0.0977%
Number of analog input channels1
Number of digits10
Number of functions1
Number of terminals20
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Output bit codeBINARY
Output formatSERIAL
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Encapsulate equivalent codeSSOP20,.3
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Sampling rate0.01 MHz
Maximum seat height1.99 mm
Maximum slew rate1.5 mA
Nominal supply voltage3.3 V
surface mountYES
technologyBICMOS
Temperature levelAUTOMOTIVE
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width5.29 mm
EVALUATION KIT AVAILABLE
MAX14001/MAX14002
Configurable, Isolated 10-bit ADCs for
Multi-Range Binary Inputs
General Description
The MAX14001/MAX14002 are isolated, single-channel
analog-to-digital converters (ADCs) with programmable
voltage comparators and inrush current control optimized
for configurable binary input applications. 3.75kV
RMS
of integrated isolation is provided between the binary
input side (field-side) and the comparator output/SPI-side
(logic-side) of the MAX14001/MAX14002. An integrated,
isolated, DC-DC converter powers all field-side circuitry,
and this allows running field-side diagnostics even when
no input signal is present. The 20-pin SSOP package
provides 5.5mm of creepage and clearance with group II
CTI rating.
These devices continually digitize the input voltage on
the field-side of an isolation barrier and transmit the data
across the isolation barrier to the logic-side of the device
where the magnitude of the input voltage is compared to
programmable thresholds. The binary comparator output
pin is high when the input voltage is above the upper
threshold and low when it is below the lower threshold.
Response time of the comparator to an input change
is less than 150µs with filtering disabled. With filtering
enabled, the comparator uses the moving average of the
last 2, 4, or 8 ADC readings. Both filtered and unfiltered
ADC readings are available through the 5MHz SPI port,
which is also used to set comparator thresholds and other
device configuration.
The MAX14001/MAX14002 control the current of a binary
input through an external, high-voltage FET. This current
cleans relay contacts and attenuates input noise. An inrush
comparator monitoring the ADC readings triggers the inrush
current, or wetting pulse. The inrush trigger threshold, cur-
rent magnitude, and current duration are all programmable
in the MAX14001 but are fixed in the MAX14002. When
the high-voltage FET is not providing inrush current, it
switches to bias mode. Bias mode places a small current
load on the binary input to attenuate capacitively coupled
noise. The level of bias current is programmable between
50µA and 3.75mA in both the MAX14001 and MAX14002.
This allows optimization of the tradeoff between noise
attenuation and power dissipation.
Benefits and Features
Enables Robust Detection of Binary Inputs
• Programmable Input Bias Current Rejects Line Noise
• 3.75kV
RMS
of Isolation for 60 Seconds
• 5.5mm of Creepage and Clearance
• Group II CTI Package Material
Reduces BOM and Board Space Through High
Integration
• 10-bit, 10ksps ADC
• Binary Threshold Comparators
• Control Circuit for Driving a Depletion Mode FET
• Isolation for Both Data and DC-DC Supply
• 20-SSOP Package
Increases Equipment “Up Time” and Simplifies
System Maintenance
• Enables Field-Side Diagnostics
• Automatic Self-Diagnostics
Provides Unparalleled Flexibility
• Programmable Upper and Lower Input Thresholds
• Programmable Inrush Current Activation Threshold,
Magnitude, and Duration
• Daisy-Chainable SPI Interface
Applications
High-Voltage Binary Input (12V–300V)
Distribution Automation
Substation Automation
Industrial Control, Multi-Range, Digital Input Modules
with Individually Isolated Inputs
Safety Regulatory Approvals
UL According to UL1577
Ordering Information
appears at end of data sheet.
19-8514; Rev 1; 8/17

MAX14002AAP+T Related Products

MAX14002AAP+T MAX14001AAP+
Description Analog-to-digital converter - ADC Configurable, Isolated 10-bit ADCs for Multi-Range Binary Inputs Analog to Digital Converter - ADC Config 10-Bit ADC Configurable
Is it Rohs certified? conform to conform to
package instruction SSOP, SSOP20,.3 SSOP, SSOP20,.3
Reach Compliance Code compliant compliant
Factory Lead Time 18 weeks 6 weeks
Maximum analog input voltage 1.35 V 1.35 V
Converter type ADC, PROPRIETARY METHOD ADC, PROPRIETARY METHOD
JESD-30 code R-PDSO-G20 R-PDSO-G20
length 7.2 mm 7.2 mm
Maximum linear error (EL) 0.0977% 0.0977%
Number of analog input channels 1 1
Number of digits 10 10
Number of functions 1 1
Number of terminals 20 20
Maximum operating temperature 125 °C 125 °C
Minimum operating temperature -40 °C -40 °C
Output bit code BINARY BINARY
Output format SERIAL SERIAL
Package body material PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SSOP SSOP
Encapsulate equivalent code SSOP20,.3 SSOP20,.3
Package shape RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED
Sampling rate 0.01 MHz 0.01 MHz
Maximum seat height 1.99 mm 1.99 mm
Maximum slew rate 1.5 mA 1.5 mA
Nominal supply voltage 3.3 V 3.3 V
surface mount YES YES
technology BICMOS BICMOS
Temperature level AUTOMOTIVE AUTOMOTIVE
Terminal form GULL WING GULL WING
Terminal pitch 0.65 mm 0.65 mm
Terminal location DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED
width 5.29 mm 5.29 mm
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