參數(shù)資料
型號(hào)： MAX1464AAI+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 1/47頁(yè)
文件大?。?/td> 0K
描述： IC SENSOR SIGNAL COND 28-SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,000
類型： 信號(hào)調(diào)節(jié)器
輸入類型： 模擬
輸出類型： 邏輯
接口： SPI
電流 - 電源： 890µA
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 帶卷 (TR)
MAX1464
Low-Power, Low-Noise Multichannel
Sensor Signal Processor
EVALUATION KIT AVAILABLE
19-3579; Rev 0; 2/05
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
General Description
The MAX1464 is a highly integrated, low-power, low-
noise multichannel sensor signal processor optimized
for industrial, automotive, and process-control applica-
tions such as pressure sensing and compensation,
RTD and thermocouple linearization, weight sensing
and classification, and remote process monitoring with
limit indication.
The MAX1464 accepts sensors with either single-ended
or differential outputs. The MAX1464 accommodates
sensor output sensitivities from 1mV/V to 1V/V. The
MAX1464 provides amplification, calibration, signal lin-
earization, and temperature compensation that enable
an overall performance approaching the inherent
repeatability of the sensor without requiring any exter-
nal trim components.
Two 16-bit voltage-output DACs and two 12-bit PWMs
can be used to indicate each of the temperature-com-
pensated sensor signals independently, as a sum or
difference signal, or user-defined relationship between
each signal and temperature. Uncommitted op amps
are available to buffer the DAC outputs, drive heavier
external loads, or provide additional gain and filtering.
The MAX1464 incorporates a 16-bit CPU, user-pro-
grammable 4kB of FLASH program memory, 128 bytes
of FLASH user information, one 16-bit ADC, two 16-bit
DACs, two 12-bit PWM digital outputs, four rail-to-rail
op amps, one SPI-compatible interface, two GPIOs,
and one on-chip temperature sensor.
The MAX1464 operates from a single 5.0V (typ) supply
and is packaged for automotive, industrial, and com-
mercial temperature ranges in a 28-pin SSOP package.
Applications
Pressure Sensor Signal Conditioning
Weight Measurement Systems
Thermocouple and RTD Linearization
Transducers and Transmitters
Process Indicators
Calibrators and Controllers
GMR and MR Magnetic Direction Sensors
Features
o Programmable Amplification, Calibration,
Linearization, and Temperature Compensation
o Two Differential or Four Single-Ended ADC Input
Channels
o Accommodates Sensor Output Sensitivities from
1mV/V to 1V/V
o Two DAC/PWM Output Signal Channels
o Supports 4–20mA Current Loop Applications
o 4kB of FLASH Memory for Code and Coefficients
o 128 Bytes of FLASH Memory for User Information
o Integrated Temperature Sensing
o Flexible Dual Op-Amp Block
o Programmable Sensor Input Gain and Offset
o Programmable Sensor Sampling Rate and
Resolution
o No External Trim Components Required
Ordering Information
*
Dice are tested at TA = +25°C, DC parameters only.
Functional Diagram and Detailed Block Diagram appear at
end of data sheet.
SPI is a trademark of Motorola, Inc.
PART
TEMP RANGE
PIN-PACKAGE
MAX1464CAI
0°C to +70°C
28 SSOP
MAX1464C/W*
0°C to +70°C
Die
MAX1464EAI
-40°C to +85°C
28 SSOP
MAX1464AAI
-40°C to +125°C
28 SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
OUT2SM
AMP2M
AMP2P
OUT2LG
VREF
INP1
VDDF
INM1
INP2
INM2
VSS
VSSF
GPIO2
GPIO1
VSS
SCLK
DI
DO
CS
CKIO
CKSEL
N.C.
VDD
N.C.
OUT1LG
AMP1P
AMP1M
OUT1SM
SSOP
TOP VIEW
MAX1464
Pin Configuration
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1464CAI 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
MAX1464CAI+ 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Low-Power Low-Noise Multichannel Sensor Signal Processor RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
MAX1464CAI+T 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC Low-Power Low-Noise Multichannel Sensor Signal Processor RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
MAX1464CAI-T 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
MAX1464EAI 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
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