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参数资料
| 型号： | MAX1403EAI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/36页 |
| 文件大小： | 0K |
| 描述： | IC ADC 18BIT LP 28-SSOP |
| 产品培训模块： | MAX11200 ADC Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 46 |
| 位数： | 18 |
| 采样率（每秒）： | 480 |
| 数据接口： | QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 21.45mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
| 输入数目和类型： | 3 个差分，单极；3 个差分，双极；5 个伪差分，单极；5 个伪差分，双极 |
| 产品目录页面： | 1396 (CN2011-ZH PDF) |
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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.
General Description
The MAX1403 18-bit, low-power, multichannel, serial-
output analog-to-digital converter (ADC) features
matched 200A 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 con-
version resolution 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 modulator sampling frequency may be
optimized for either lowest power dissipation or highest
throughput rate. The MAX1403 operates from +3V.
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.
The MAX1403 can 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 postfiltering.
The MAX1403 is available in a 28-pin SSOP package.
Applications
Portable Industrial Instruments
Portable Weigh Scales
Loop-Powered Systems
Pressure Transducers
Features
o 18-Bit Resolution, Sigma-Delta ADC
o 16-Bit Accuracy with No Missing Codes to 480sps
o Matched On-Board Current Sources (200A) for
Sensor Excitation
o Low Quiescent Current
250A (operating mode)
2A (power-down mode)
o 3 Fully Differential or 5 Pseudo-Differential Signal
Input Channels
o 2 Additional, Fully Differential Calibration
Channels/Auxiliary Input Channels
o Programmable Gain and Offset
o Fully Differential Reference Inputs
o Converts Continuously or On Command
o Automatic Channel Scanning and Continuous
Data Output Mode
o Operates with Analog and Digital Supplies
from +2.7V to +3.6V
o SPI/QSPI-Compatible 3-Wire Serial Interface
o 28-Pin SSOP Package
MAX1403
+3V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
________________________________________________________________ Maxim Integrated Products
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SCLK
DIN
DOUT
INT
VDD
DGND
AIN5
CALOFF+
CALOFF-
REFIN+
REFIN-
CALGAIN+
CALGAIN-
AIN6
AIN4
AIN3
AIN2
AIN1
V+
AGND
OUT1
OUT2
DS0
DS1
RESET
CS
CLKOUT
CLKIN
SSOP
TOP VIEW
MAX1403
PART
MAX1403CAI
MAX1403EAI
-40°C to +85°C
0°C to +70°C
TEMP RANGE
PIN-PACKAGE
28 SSOP
Pin Configuration
Ordering Information
EVALUATION
KIT
AVAILABLE
SPI and QSPI are trademarks of Motorola, Inc.
19-1481; Rev 1; 7/02
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1403EAI+ | 功能描述:模数转换器 - ADC 18-Bit 5Ch 4.8ksps 1.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1403EAI+T | 功能描述:模数转换器 - ADC 18-Bit 5Ch 4.8ksps 1.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1403EAI-T | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1403EVKIT | 功能描述:数据转换 IC 开发工具 MAX1403 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX1403EVL11 | 功能描述:数据转换 IC 开发工具 MAX1403 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
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