MAX1243BESA+T datasheet, PDF - EEWORLD Datasheet

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MAX1243BESA+T: Descriptionanalog to digital converters - adc 10-bit 73ksps 5.25v precision adc; CategoryAnalog mixed-signal IC converter; File Size178KB，13 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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MAX1243BESA+T Overview

analog to digital converters - adc 10-bit 73ksps 5.25v precision adc

MAX1243BESA+T Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Maxim
Parts packaging code	SOIC
package instruction	SOP, SOP8,.25
Contacts	8
Reach Compliance Code	compli
ECCN code	EAR99
Factory Lead Time	6 weeks
Maximum analog input voltage	2.5 V
Minimum analog input voltage
Maximum conversion time	7.5 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-PDSO-G8
JESD-609 code	e3
length	4.9 mm
Maximum linear error (EL)	0.0977%
Humidity sensitivity level	1
Number of analog input channels	1
Number of digits	10
Number of functions	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output bit code	BINARY
Output format	SERIAL
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
power supply	3/5 V
Certification status	Not Qualified
Sampling rate	73 MHz
Sample and hold/Track and hold	TRACK
Maximum seat height	1.75 mm
Nominal supply voltage	5.25 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3.9 mm

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MAX1242/MAX1243

+2.7V to +5.25V, Low-Power, 10-Bit

Serial ADCs in SO-8

__________________General Description

The MAX1242/MAX1243 are low-power, 10-bit analog-

to-digital converters (ADCs) available in 8-pin pack-

ages. They operate with a single +2.7V to +5.25V

supply and feature a 7.5µs successive-approximation

ADC, a fast track/hold (1.5µs), an on-chip clock, and a

high-speed, 3-wire serial interface.

Power consumption is only 3mW (V

= 3V) at the

73ksps maximum sampling speed. A 2µA shutdown

mode reduces power at slower throughput rates.

The MAX1242 has an internal 2.5V reference, while the

MAX1243 requires an external reference. The MAX1243

accepts signals from 0V to V

REF

, and the reference

input range includes the positive supply rail. An exter-

nal clock accesses data from the 3-wire interface,

which connects directly to standard microcontroller I/O

ports. The interface is compatible with SPI, QSPI™, and

MICROWIRE

Excellent AC characteristics and very low power com-

bined with ease of use and small package size make

these converters ideal for remote-sensor and data-

acquisition applications, or for other circuits with

demanding power consumption and space require-

ments. The MAX1242/MAX1243 are available in 8-pin

PDIP and SO packages.

________________________________Features

+2.7V to +5.25V Single-Supply Operation

10-Bit Resolution

Internal 2.5V Reference (MAX1242)

Small Footprint: 8-Pin DIP and SO Packages

Low Power: 3.7mW (73ksps, MAX1242)

3mW (73ksps, MAX1243)

66µW (1ksps, MAX1243)

5µW (Power-Down Mode)

Internal Track/Hold

SPI/QSPI™/MICROWIRE

3-Wire Serial Interface

Pin-Compatible 12-Bit Upgrades: MAX1240/MAX1241

_________________Ordering Information

PART

MAX1242ACPA+

MAX1242BCPA+

MAX1242ACSA+

MAX1242BCSA+

MAX1242AEPA+

TEMP

RANGE

0°C to +70°C

-40°C to +85°C

PIN-

PACKAGE

8 PDIP

8 SO

8 PDIP

INL

(LSB)

Applications

Portable Data Logging

Test Equipment

Isolated Data Acquisition

Process Control Monitoring

Temperature Measurement

Ordering Information continued at end of data sheet.

Note:

Order the MAX1242A in place of the MAX1242C. Order the

MAX1242B in place of the MAX1242D.

+Denotes a lead(Pb)-free/RoHS-compliant package.

________________Functional Diagram

Pin Configuration

CONTROL

LOGIC

INT

CLOCK

SCLK

SHDN

TOP VIEW

AIN

SCLK

DOUT

GND

REF

AIN

T/H

2.5V

REFERENCE

MAX1242 ONLY

GND

10-BIT

SAR

OUTPUT

SHIFT

DOUT

SHDN 3

REF 4

MAX1242

MAX1243

MAX1242

MAX1243

PDIP/SO

QSPI is a trademark of Motorola, Inc. MICROWIRE is a registered trademark of National Semiconductor Corp.

For pricing, delivery, and ordering information, please contact Maxim Direct

at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.

19-1156; Rev 3; 1/12

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