MAX1358BETL+ datasheet(1/71 Pages) MAXIM

Part #	MAX1358BETL+

Description	16-Bit, Data-Acquisition System with ADC, DACs, UPIOs, RTC, Voltage Monitors, and Temp Sensor

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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General Description

The MAX1358B smart data-acquisition system (DAS) is

based on a 16-bit, sigma-delta analog-to-digital converter

(ADC) and system-support functionality for a micro-

processor (µP)-based system. This device integrates

an ADC, DACs, operational amplifiers, internal selec-

table-voltage reference, temperature sensors, analog

switches, a 32kHz oscillator, a real-time clock (RTC)

with alarm, a high-frequency-locked loop (FLL) clock,

four user-programmable I/Os, an interrupt generator,

and 1.8V and 2.7V voltage monitors in a single chip.

The MAX1358B has dual 10:1 differential input multiplex-

ers (muxes) that accept signal levels from 0 to AVDD. An

on-chip 1x to 8x programmable-gain amplifier (PGA)

allows measuring low-level signals and reduces external

circuitry required.

The MAX1358B operates from a single +1.8V to +3.6V

supply and consumes only 1.15mA in normal mode and

only 3µA in sleep mode. The MAX1358B has two DACs

with one uncommitted op amp.

The serial interface is compatible with either SPI™/QSPI™

or MICROWIRE™, and is used to power up, configure,

and check the status of all functional blocks.

The MAX1358B is available in a space-saving, 40-pin

TQFN package and is specified over the commercial

(0

°C to +70°C) and the extended (-40°C to +85°C) tem-

perature ranges.

Applications

Battery-Powered and Portable Devices

Electrochemical and Optical Sensors

Medical Instruments

Industrial Control

Data-Acquisition Systems

Features

o +1.8V to +3.6V Single-Supply Operation

o Multichannel, 16-Bit, Sigma-Delta ADC

10sps to 477sps Programmable Conversion Rate

Self- and System Offset and Gain Calibration

PGA with Gains of 1, 2, 4, or 8

Unipolar and Bipolar Modes

10-Input Differential Multiplexer

o 10-Bit Force-Sense DACs

o Uncommitted Op Amps

o Dual SPDT and SPST Analog Switches

o Selectable References

1.25V, 2.048V, and 2.5V

o Internal Charge Pump

o System Support

RTC and Alarm Register

Internal/External Temperature Sensor

Internal Oscillator with Clock Output

User-Programmable I/O and Interrupt Generator

VDD Monitors

o SPI/QSPI/MICROWIRE, 4-Wire Serial Interface

o Space-Saving (6mm x 6mm x 0.8mm), 40-Pin

TQFN Package

16-Bit, Data-Acquisition System with ADC, DACs,

UPIOs, RTC, Voltage Monitors, and Temp Sensor

________________________________________________________________

Maxim Integrated Products

1

19-5159; Rev 0; 8/10

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.

SPI/QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

40

*EXPOSED PAD.

*EP

39

38

37

36

35

34

33

32

31

21

22

23

24

25

26

27

28

29

30

CPOUT

AIN2

AIN1

REF

REG

CF-

CF+

DVDD

DGND

UPIO1

11

12

13

14

15

16

17

18

19

20

10

9

8

7

6

5

4

3

2

1

+

32KOUT

32KIN

SNO1

SCM1

SNC1

OUT1

SNC2

SCM2

SNO2

RESET

TQFN

TOP VIEW

MAX1358B

Pin Configuration

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX1358BCTL+

0

°C to +70°C

40 TQFN-EP*

MAX1358BETL+

-40

°C to +85°C

40 TQFN-EP*

+

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

*

EP = Exposed pad.

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