MAX11040K

更新时间： 2024-10-01 11:18:55

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
35页	520K
描述
24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs

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MAX11040K 数据手册

19-5741ꢀ Rev 2ꢀ 11/11

24-/16-Bit, 4-Channel, Simultaneous-Sampling,

Cascadable, Sigma-Delta ADCs

4K/MAX160

General Description

Features

o Four Fully Differential Simultaneously Sampled

The MAX11040K/MAX11060 are 24-/16-bit, 4-channel,

simultaneous-sampling, sigma-delta analog-to-digital

converters (ADCs). The devices allow simultaneous

sampling of as many as 32 channels using a built-in

cascade feature to synchronize as many as eight

devices. The serial interface of the devices allows read-

ing data from all the cascaded devices using a single

command. Four modulators simultaneously convert

each fully differential analog input with a programmable

data output rate ranging from 0.25ksps to 64ksps. The

devices achieve 106dB SNR at 16ksps and 117dB SNR

at 1ksps (MAX11040K). The devices operate from a

single +3V supply. The differential analog input range is

2.2V when using the internal referenceꢀ an eꢁternal

reference is optional. Each input is overvoltage protect-

ed up to 6V without damage. The devices use an

internal crystal oscillator or an eꢁternal source for clock.

Channels

o Cascadable for Up to 32 Channels of

Simultaneous Sampling

o 106dB (MAX11040K) SNR at 16ksps

o 117dB (MAX11040K) SNR at 1ksps

o 0.25% Error Over a 1000:1 Dynamic Range,

Processed Over 16.7ms (MAX11040K)

2.2ꢀ FullꢁScale ꢂnput Range

6ꢀ Overvoltage Protected ꢂnputs

o ꢂnternal Crystal Oscillator

o 2.5ꢀ, 50ppm/°C ꢂnternal Reference or External

Reference

o Programmable Output Data Rate

0.25ksps to 64ksps Range

0.065% Resolution

o Programmable Sampling Phase

0 to 333µs Delay in 1.33µs Steps

The devices are compatible with SPI™, QSPI™,

MICROWIRE™, and DSP-compatible 4-wire serial inter-

faces. An on-board interface logic allows one serial inter-

face (with a single chip select) to control up to eight

cascaded devices or 32 simultaneous sampling analog

input channels.

o SPꢂꢁ/QSPꢂꢁ/MꢂCROWꢂREꢁ/DSPꢁCompatible 4ꢁWire

Serial ꢂnterface

o Cascadable ꢂnterface Allows Control of Up to

Eight Devices with a Single CS Signal

o 3.0ꢀ to 3.6ꢀ Analog Supply ꢀoltage

The devices are ideally suited for power-management

systems. Each channel includes an adjustable sam-

pling phase enabling internal compensation for phase

shift due to eꢁternal dividers, transformers, or filters at

the inputs. The output data rate is adjustable with a

0.065% resolution (at 16ksps or below) to track the

varying frequency of a periodic input. A SYNC input

allows periodic alignment of the conversion timing of

multiple devices with a remote timing source.

o 2.7ꢀ to ꢀ

Digital Supply ꢀoltage

AꢀDD

o 38ꢁPin TSSOP Package

Functional Diagram

OVRFLW FAULT

The devices are available in a 38-pin TSSOP package speci-

fied over the -40°C to +105°C industrial temperature range.

AIN0+

AIN0-

SYNC

24-/16-BIT

ADC

DIGITAL

FILTER

Applications

Power-Protection Relay Equipment

Multiphase Power Systems

DRDYIN

REF0

AIN1+

AIN1-

DRDYOUT

24-/16-BIT

ADC

DIGITAL

FILTER

REGISTERS AND

DIGITAL

CONTROL

CASCIN

SERIAL

INTERFACE

CASCOUT

REF1

AIN2+

24-/16-BIT

ADC

DIGITAL

FILTER

Industrial Data-Acquisition Systems

Medical Instrumentation

AIN2-

SCLK

REF2

AIN3+

DIN

24-/16-BIT

ADC

DIGITAL

FILTER

AIN3-

REF3

DOUT

Ordering Information

PART

MAX11040KGUU+ -40°C to +105°C

MAX11060GUU+ -40°C to +105°C

TEMP RANGE

PꢂNꢁPACKAGE

38 TSSOP

MAX11040K

MAX11060

2.5V

REFERENCE

CRYSTAL

OSCILLATOR

REFIO

38 TSSOP

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

AGND

XIN

XOUT

CLKOUT

DGND

MICROWIRE is a trademark of National Semiconductor Corp.

SPI/QSPI are trademarks of Motorola, Inc.

________________________________________________________________ Maxim ꢂntegrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1ꢁ888ꢁ629ꢁ4642,

or visit Maxim’s website at www.maximꢁic.com.

12 3 4 5 6 7...35

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与MAX11040K相关器件

型号	品牌	获取价格	描述	数据表
MAX11040K_1111	MAXIM	获取价格	24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs
MAX11040K_12	MAXIM	获取价格	MAX11040K Evaluation Kit/Daughterboard
MAX11040K_V01	MAXIM	获取价格	24-/16-Bit, 4-Channel, Simultaneous-Sampling, 24-/16-Bit, 4-Channel, Simultaneous-Sampling
MAX11040KDBEVKIT	MAXIM	获取价格	MAX11040K Evaluation Kit/Daughterboard
MAX11040KEVKIT	MAXIM	获取价格	MAX11040K Evaluation Kit/Daughterboard
MAX11040KGUU	MAXIM	获取价格	24-/16-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADCs
MAX11040KGUU+	MAXIM	获取价格	ADC, Delta-Sigma, 24-Bit, 1 Func, 4 Channel, Serial Access, BICMOS, PDSO38, ROHS COMPLIANT
MAX11041	MAXIM	获取价格	Wired Remote Controllers
MAX11041_08	MAXIM	获取价格	Wired Remote Controllers
MAX11041_10	MAXIM	获取价格	Wired Remote Controller

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