Datasheet > MAX1402EAI+T

MAX1402EAI+T

更新时间： 2024-09-21 19:51:43

品牌	Logo	应用领域
美信 - MAXIM		光电二极管转换器
页数	文件大小	规格书
38页	550K
描述
ADC, Delta-Sigma, 18-Bit, 1 Func, 5 Channel, Serial Access, CMOS, PDSO28, 5.30 MM, SSOP-28

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技术参数
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MAX1402EAI+T 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SSOP
包装说明：	SSOP, SSOP28,.3	针数：	28
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	6 weeks
风险等级：	5.18	最大模拟输入电压：	2.5 V
最小模拟输入电压：	-2.5 V	转换器类型：	ADC, DELTA-SIGMA
JESD-30 代码：	R-PDSO-G28	JESD-609代码：	e3
长度：	10.2 mm	最大线性误差 (EL)：	0.0015%
湿度敏感等级：	1	模拟输入通道数量：	5
位数：	18	功能数量：	1
端子数量：	28	最高工作温度：	85 °C
最低工作温度：	-40 °C	输出位码：	BINARY
输出格式：	SERIAL	封装主体材料：	PLASTIC/EPOXY
封装代码：	SSOP	封装等效代码：	SSOP28,.3
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：	260	电源：	3/5 V
认证状态：	Not Qualified	座面最大高度：	1.99 mm
子类别：	Analog to Digital Converters	标称供电电压：	5 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	30
宽度：	5.29 mm	Base Number Matches：	1

MAX1402EAI+T 数据手册

19-1423; Rev 2; 1/07

+5V, 18-Bit, Low-Power, Multichannel,

Oversampling (Sigma-Delta) ADC

General Description

Features

The MAX1402 low-power, multichannel, serial-output

analog-to-digital converter (ADC) features matched

200µA current sources for sensor excitation. This ADC

uses a sigma-delta modulator with a digital decimation

filter to achieve 16-bit accuracy. The digital filter’s user-

selectable decimation factor allows the conversion res-

olution to be reduced in exchange for a higher output

data rate. True 16-bit performance is achieved at an

output data rate of up to 480sps. In addition, the modu-

lator sampling frequency may be optimized for either

lowest power dissipation or highest throughput rate.

The MAX1402 operates from a +5V supply.

♦ 18-Bit Resolution, Sigma-Delta ADC

♦ 16-Bit Accuracy with No Missing Codes to 480sps

♦ Low Quiescent Current

250µA (operating mode)

2µA (power-down mode)

♦ Matched On-Board Current Sources (200µA) for

Sensor Excitation

♦ 3 Fully Differential or 5 Pseudo-Differential Signal

Input Channels

♦ 2 Additional, Fully Differential Calibration

This device offers three fully differential input channels

that may be independently programmed with a gain

between +1V/V and +128V/V. Furthermore, it can com-

pensate an input-referred DC offset up to 117% of the

selected full-scale range. These three differential chan-

nels may also be configured to operate as five pseudo-

differential input channels. Two additional, fully

differential system-calibration channels are provided for

gain and offset error correction.

Channels/Auxiliary Input Channels

♦ Programmable Gain and Offset

♦ Fully Differential Reference Inputs

♦ Converts Continuously or On Command

♦ Automatic Channel Scanning and Continuous

Data Output Mode

♦ Operates with +5V Analog Supply and +3V or +5V

The MAX1402 may be configured to sequentially scan all

signal inputs and provide the results via the serial inter-

face with minimum communications overhead. When

used with a 2.4576MHz or 1.024MHz master clock, the

digital decimation filter can be programmed to produce

zeros in its frequency response at the line frequency and

associated harmonics, ensuring excellent line rejection

without the need for further post-filtering.

Digital Supply

♦ 3-Wire Serial Interface—SPI™/QSPI™ Compatible

♦ 28-Pin SSOP Package

Pin Configuration

The MAX1402 is available in a 28-pin SSOP package.

TOP VIEW

CLKIN

CLKOUT

28 SCLK

27 DIN

Applications

Portable Industrial Instruments

Portable Weigh Scales

26 DOUT

25 INT

RESET

MUXOUT+

MUXOUT-

OUT2

24 V

Loop-Powered Systems

MAX1402

23 DGND

Pressure Transducers

22 CALOFF+

21 CALOFF-

20 REFIN+

19 REFIN-

18 CALGAIN+

17 CALGAIN-

16 AIN6

OUT1

AGND

Ordering Information

V+ 10

AIN1 11

AIN2 12

AIN3 13

AIN4 14

PIN-

PACKAGE

PKG

CODE

PART

TEMP RANGE

MAX1402CAI

MAX1402EAI

0°C to +70°C

28 SSOP

A28-2

-40°C to +85°C

15 AIN5

SSOP

SPI and QSPI are trademarks of Motorola, Inc.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

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

12 3 4 5 6 7...38

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MAX1402EAI+T 替代型号

型号	品牌	替代类型	描述	数据表
MAX1402EAI+	MAXIM	完全替代	ADC, Delta-Sigma, 18-Bit, 1 Func, 5 Channel, Serial Access, CMOS, PDSO28, 5.30 MM, SSOP-28

与MAX1402EAI+T相关器件

型号	品牌	获取价格	描述	数据表
MAX1402EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX1400/MAX1402
MAX1403	MAXIM	获取价格	+3V, 18-Bit, Low-Power, Multichannel, Oversampling Sigma-Delta ADC
MAX1403	ADI	获取价格	+3V、18位、低功耗、多通道、过采样(Σ-Δ) ADC
MAX1403_02	MAXIM	获取价格	+3V, 18-Bit, Low-Power, Multichannel, Oversampling (Sigma-Delta) ADC
MAX1403CAI	MAXIM	获取价格	+3V, 18-Bit, Low-Power, Multichannel, Oversampling Sigma-Delta ADC
MAX1403CAI+	MAXIM	获取价格	ADC, Delta-Sigma, 18-Bit, 1 Func, 5 Channel, Serial Access, PDSO28, 5.30 MM, ROHS COMPLIAN
MAX1403CAI+T	MAXIM	获取价格	暂无描述
MAX1403CAI-T	MAXIM	获取价格	ADC, Delta-Sigma, 18-Bit, 1 Func, 5 Channel, Serial Access, PDSO28, 5.30 MM, MO-150, SSOP-
MAX1403EAI	MAXIM	获取价格	+3V, 18-Bit, Low-Power, Multichannel, Oversampling Sigma-Delta ADC
MAX1403EAI+T	MAXIM	获取价格	ADC, Delta-Sigma, 18-Bit, 1 Func, 5 Channel, Serial Access, PDSO28, 5.30 MM, ROHS COMPLIAN

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