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MAX1112C-D

Description
Analog to Digital Converters - ADC DICE SALES, DICE
Categorysemiconductor    Analog mixed-signal IC   
File Size375KB,20 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX1112C-D Overview

Analog to Digital Converters - ADC DICE SALES, DICE

MAX1112C-D Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerMaxim
Product CategoryAnalog to Digital Converters - ADC
Resolution8 bit
Number of Channels4 Channel/8 Channel
Sampling Rate50 kS/s
Input TypeDifferential/Single-Ended
Interface TypeSerial, 4-Wire, SPI
ArchitectureSAR
Reference TypeExternal, Internal
Number of Converters1 Converter
ProductAnalog to Digital Converters
Operating Supply Voltage4.5 V to 5.5 V
Pd - Power Dissipation640 mW
Reference Voltage4.096 V
19-1231; Rev 2; 4/11
KIT
ATION
EVALU
BLE
AVAILA
+5V, Low-Power, Multi-Channel,
Serial 8-Bit ADCs
General Description
____________________________Features
4.5V to 5.5V Single Supply
Low Power: 135µA at 50ksps
13µA at 1ksps
8-Channel Single-Ended or 4-Channel Differential
Inputs (MAX1112)
4-Channel Single-Ended or 2-Channel Differential
Inputs (MAX1113)
Internal Track/Hold; 50kHz Sampling Rate
Internal 4.096V Reference
SPI/QSPI/MICROWIRE-Compatible Serial Interface
Software-Configurable Unipolar or Bipolar Inputs
Total Unadjusted Error: ±1 LSB (max)
±0.3 LSB (typ)
Ordering Information continued at end of data sheet.
MAX1112/MAX1113
The MAX1112/MAX1113 low-power, 8-bit, 8-channel
analog-to-digital converters (ADCs) feature an internal
track/hold, voltage reference, clock, and serial inter-
face. They operate from a single 4.5V to 5.5V supply
and consume only 135µA while sampling at rates up to
50ksps. The MAX1112’s 8 analog inputs and the
MAX1113’s 4 analog inputs are software-configurable,
allowing unipolar/bipolar and single-ended/differential
operation.
Successive-approximation conversions are performed
using either the internal clock or an external serial-inter-
face clock. The full-scale analog input range is deter-
mined by the 4.096V internal reference, or by an
externally applied reference ranging from 1V to V
DD
.
The 4-wire serial interface is compatible with the SPI™,
QSPI™, and MICROWIRE™ serial-interface standards.
A serial-strobe output provides the end-of-conversion
signal for interrupt-driven processors.
The MAX1112/MAX1113 have a software-program-
mable, 2µA automatic power-down mode to minimize
power consumption. Using power-down, the supply
current is reduced to 13µA at 1ksps, and only 82µA at
10ksps. Power-down can also be controlled using the
SHDN
input pin. Accessing the serial interface automat-
ically powers up the device.
The MAX1112 is available in a 20-pin SSOP package.
The MAX1113 is available in a small 16-pin QSOP
package.
Functional Diagram
CS
SCLK
DIN
SHDN
CH0
CH1
CH2
CH3
CH4*
CH5*
CH6*
CH7*
COM
REFOUT
REFIN
+4.096V
REFERENCE
INPUT
SHIFT
REGISTER
INT
CLOCK
CONTROL
LOGIC
OUTPUT
SHIFT
REGISTER
ANALOG
INPUT
MUX
T/H
CLOCK
IN
8-BIT
SAR ADC
OUT
REF
DOUT
SSTRB
________________________Applications
Portable Data Logging
Hand-Held Measurement Devices
Medical Instruments
System Diagnostics
Solar-Powered Remote Systems
4mA to 20mA-Powered Remote
Data-Acquisition Systems
V
DD
DGND
MAX1112
MAX1113
AGND
Pin Configurations appear at end of data sheet.
*MAX1112 ONLY
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
________________________________________________________________
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.

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Description Analog to Digital Converters - ADC DICE SALES, DICE Analog to Digital Converters - ADC +5V, Low-Power, Multichannel, Serial 8-Bit ADCs Analog to Digital Converters - ADC Analog to Digital Converters - ADC 5V Low-Power Multi Ch Serial 8-Bit Analog to Digital Converters - ADC +5V, Low-Power, Multichannel, Serial 8-Bit ADCs Analog to Digital Converters - ADC 5V Low-Power Multi Ch Serial 8-Bit Analog to Digital Converters - ADC Analog to Digital Converters - ADC 5V Low-Power Multi Ch Serial 8-Bit
Is it lead-free? - Contains lead Contains lead - Contains lead Lead free - Lead free
Is it Rohs certified? - incompatible incompatible - incompatible conform to - conform to
Maker - Maxim Maxim - Maxim Maxim - Maxim
Parts packaging code - SSOP SSOP - SSOP SOIC - SOIC
package instruction - SSOP, SSOP20,.3 SSOP, SSOP20,.3 - SSOP, SSOP20,.3 SSOP, SSOP16,.25 - SSOP, SSOP16,.25
Contacts - 20 20 - 20 16 - 16
Reach Compliance Code - not_compliant not_compliant - not_compliant compliant - compliant
ECCN code - EAR99 EAR99 - EAR99 EAR99 - EAR99
Maximum analog input voltage - 4.096 V 4.096 V - 4.096 V 2.048 V - 5.55 V
Maximum conversion time - 55 µs 55 µs - 55 µs 55 µs - 16 µs
Converter type - ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION - ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION - ADC, SUCCESSIVE APPROXIMATION
JESD-30 code - R-PDSO-G20 R-PDSO-G20 - R-PDSO-G20 R-PDSO-G16 - R-PDSO-G16
JESD-609 code - e0 e0 - e0 e3 - e3
length - 7.2 mm 7.2 mm - 7.2 mm 4.89 mm - 4.89 mm
Maximum linear error (EL) - 0.1953% 0.1953% - 0.1953% 0.1953% - 0.2%
Humidity sensitivity level - 1 1 - 1 1 - 1
Number of analog input channels - 8 8 - 8 4 - 4
Number of digits - 8 8 - 8 8 - 8
Number of functions - 1 1 - 1 1 - 1
Number of terminals - 20 20 - 20 16 - 16
Maximum operating temperature - 85 °C 70 °C - 85 °C 70 °C - 70 °C
Output bit code - BINARY BINARY - BINARY BINARY, 2'S COMPLEMENT BINARY - BINARY
Output format - SERIAL SERIAL - SERIAL SERIAL - SERIAL
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY
encapsulated code - SSOP SSOP - SSOP SSOP - SSOP
Encapsulate equivalent code - SSOP20,.3 SSOP20,.3 - SSOP20,.3 SSOP16,.25 - SSOP16,.25
Package shape - RECTANGULAR RECTANGULAR - RECTANGULAR RECTANGULAR - RECTANGULAR
Package form - SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH - SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH - SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius) - 245 245 - 245 260 - 260
power supply - 5 V 5 V - 5 V 5 V - 5 V
Certification status - Not Qualified Not Qualified - Not Qualified Not Qualified - Not Qualified
Sampling rate - 0.05 MHz 0.05 MHz - 0.05 MHz 0.05 MHz - 0.05 MHz
Sample and hold/Track and hold - TRACK TRACK - TRACK TRACK - TRACK
Maximum seat height - 1.99 mm 1.99 mm - 1.99 mm 1.75 mm - 1.75 mm
Nominal supply voltage - 5 V 5 V - 5 V 5 V - 5 V
surface mount - YES YES - YES YES - YES
technology - CMOS CMOS - CMOS CMOS - CMOS
Temperature level - INDUSTRIAL COMMERCIAL - INDUSTRIAL COMMERCIAL - COMMERCIAL
Terminal surface - Tin/Lead (Sn85Pb15) Tin/Lead (Sn85Pb15) - Tin/Lead (Sn85Pb15) Matte Tin (Sn) - Matte Tin (Sn)
Terminal form - GULL WING GULL WING - GULL WING GULL WING - GULL WING
Terminal pitch - 0.65 mm 0.65 mm - 0.65 mm 0.635 mm - 0.635 mm
Terminal location - DUAL DUAL - DUAL DUAL - DUAL
Maximum time at peak reflow temperature - NOT SPECIFIED NOT SPECIFIED - NOT SPECIFIED 30 - 30
width - 5.29 mm 5.29 mm - 5.29 mm 3.9 mm - 3.9 mm
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