MAX1112EAP+T datasheet, PDF - EEWORLD Datasheet

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MAX1112EAP+T: Descriptionanalog to digital converters - adc 5V low-power multi Ch serial 8-bit; CategoryAnalog mixed-signal IC converter; File Size375KB，20 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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MAX1112EAP+T Overview

analog to digital converters - adc 5V low-power multi Ch serial 8-bit

MAX1112EAP+T Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Maxim
Parts packaging code	SSOP
package instruction	SSOP, SSOP20,.3
Contacts	20
Reach Compliance Code	compli
ECCN code	EAR99
Factory Lead Time	12 weeks
Maximum analog input voltage	5.55 V
Maximum conversion time	16 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-PDSO-G20
JESD-609 code	e3
length	7.2 mm
Maximum linear error (EL)	0.2%
Humidity sensitivity level	1
Number of analog input channels	8
Number of digits	8
Number of functions	1
Number of terminals	20
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output bit code	BINARY
Output format	SERIAL
Package body material	PLASTIC/EPOXY
encapsulated code	SSOP
Encapsulate equivalent code	SSOP20,.3
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
power supply	5 V
Certification status	Not Qualified
Sampling rate	0.05 MHz
Sample and hold/Track and hold	TRACK
Maximum seat height	1.99 mm
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	5.29 mm

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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

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

SCLK

DIN

SHDN

CH0

CH1

CH2

CH3

CH4*

CH5*

CH6*

CH7*

COM

REFOUT

REFIN

+4.096V

REFERENCE

INPUT

SHIFT

INT

CLOCK

CONTROL

LOGIC

OUTPUT

SHIFT

ANALOG

INPUT

MUX

T/H

CLOCK

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

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

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.

MAX1112EAP+T Related Products

	MAX1112EAP+T	MAX1112CAP+	MAX1112EAP+	MAX1112CAP+T	AP4509AGM-HF_14
Description	analog to digital converters - adc 5V low-power multi Ch serial 8-bit	analog to digital converters - adc 5V low-power multi Ch serial 8-bit	analog to digital converters - adc 5V low-power multi Ch serial 8-bit	analog to digital converters - adc 5V low-power multi Ch serial 8-bit	Simple Drive Requirement
Is it lead-free?	Lead free	Lead free	Lead free	Lead free	-
Is it Rohs certified?	conform to	conform to	conform to	conform to	-
Parts packaging code	SSOP	SSOP	SSOP	SSOP	-
package instruction	SSOP, SSOP20,.3	SSOP, SSOP20,.3	SSOP, SSOP20,.3	SSOP, SSOP20,.3	-
Contacts	20	20	20	20	-
Reach Compliance Code	compli	compli	compli	compli	-
ECCN code	EAR99	EAR99	EAR99	EAR99	-
Factory Lead Time	12 weeks	6 weeks	6 weeks	6 weeks	-
Maximum analog input voltage	5.55 V	2.048 V	2.048 V	5.55 V	-
Maximum conversion time	16 µs	55 µs	55 µs	16 µs	-
Converter type	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-G20	-
JESD-609 code	e3	e3	e3	e3	-
length	7.2 mm	7.2 mm	7.2 mm	7.2 mm	-
Maximum linear error (EL)	0.2%	0.1953%	0.1953%	0.2%	-
Humidity sensitivity level	1	1	1	1	-
Number of analog input channels	8	8	8	8	-
Number of digits	8	8	8	8	-
Number of functions	1	1	1	1	-
Number of terminals	20	20	20	20	-
Maximum operating temperature	85 °C	70 °C	85 °C	70 °C	-
Output bit code	BINARY	BINARY, 2\'S COMPLEMENT BINARY	BINARY, 2\'S COMPLEMENT BINARY	BINARY	-
Output format	SERIAL	SERIAL	SERIAL	SERIAL	-
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-
encapsulated code	SSOP	SSOP	SSOP	SSOP	-
Encapsulate equivalent code	SSOP20,.3	SSOP20,.3	SSOP20,.3	SSOP20,.3	-
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	-
Package form	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	-
Peak Reflow Temperature (Celsius)	260	260	260	260	-
power supply	5 V	5 V	5 V	5 V	-
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	-
Sampling rate	0.05 MHz	0.05 MHz	0.05 MHz	0.05 MHz	-
Sample and hold/Track and hold	TRACK	TRACK	TRACK	TRACK	-
Maximum seat height	1.99 mm	1.99 mm	1.99 mm	1.99 mm	-
Nominal supply voltage	5 V	5 V	5 V	5 V	-
surface mount	YES	YES	YES	YES	-
technology	CMOS	CMOS	CMOS	CMOS	-
Temperature level	INDUSTRIAL	COMMERCIAL	INDUSTRIAL	COMMERCIAL	-
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	-
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	-
Terminal pitch	0.65 mm	0.65 mm	0.65 mm	0.65 mm	-
Terminal location	DUAL	DUAL	DUAL	DUAL	-
Maximum time at peak reflow temperature	NOT SPECIFIED	30	30	30	-
width	5.29 mm	5.29 mm	5.29 mm	5.29 mm	-

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