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參數資料
| 型號： | ADS1244EVM |
| 廠商： | Texas Instruments |
| 文件頁數： | 1/24頁 |
| 文件大小： | 0K |
| 描述： | EVALUATION MODULE FOR ADS1244 |
| 產品培訓模塊： | Data Converter Basics |
| 視頻文件： | Nuts and Bolts of the Delta-Sigma Converter |
| 標準包裝： | 1 |
| ADC 的數量： | 2 |
| 位數： | 24 |
| 采樣率（每秒）： | 15 |
| 數據接口： | 串行 |
| 輸入范圍： | 0 ~ 5 V |
| 在以下條件下的電源（標準）： | 150mW @ 500kSPS |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | ADS1244 |
| 已供物品： | 板 |
| 產品目錄頁面： | 889 (CN2011-ZH PDF) |
| 相關產品： | ADS1244IDGSTG4-ND - IC ADC LP CONVERT 24BIT 10-MSOP ADS1244IDGSRG4-ND - IC ADC LP CONVERT 24BIT 10-MSOP ADS1244IDGSR-ND - IC ADC LP CONVERT 24BIT 10-MSOP 296-14003-6-ND - IC ADC LP 24-BIT 10-MSOP 296-14003-2-ND - IC ADC LP 24-BIT 10-MSOP 296-14003-1-ND - IC ADC LP 24-BIT 10-MSOP |
| 其它名稱： | 296-18359 |
ADS1244
SBAS273 – DECEMBER 2002
www.ti.com
DESCRIPTION
The ADS1244 is a 24-bit, delta-sigma Analog-to-Digital (A/D)
converter. It offers excellent performance and very low power
in an MSOP-10 package and is well suited for demanding
high-resolution measurements, especially in portable and
other space- and power-constrained systems.
A 3rd-order delta-sigma modulator and digital filter form the
basis of the A/D converter. The analog modulator has a
±5V
differential input range. The digital filter rejects both 50Hz
and 60Hz signals, completely settles in one cycle, and
outputs data at 15 samples per second.
A simple, 2-wire serial interface provides all the necessary
control. Data retrieval, self-calibration, and Sleep Mode are
handled with a few simple waveforms. When only single
conversions are needed, the ADS1244 can be shut down
(Sleep Mode) while idle between measurements to dramati-
cally reduce the overall power dissipation. Multiple ADS1244s
can be connected together to create a synchronously sam-
pling multichannel measurement system. The ADS1244 is
designed to easily connect to microcontrollers, such as the
MSP430.
The ADS1244 supports 2.5V to 5.25V analog supplies and
1.8V to 3.6V digital supplies. Power is typically less than
270
W in normal operation and less than 1W during Sleep
Mode.
FEATURES
q 20-BIT EFFECTIVE RESOLUTION
q CURRENT CONSUMPTION: 90
A
q ANALOG SUPPLY: 2.5V to 5.25V
q DIGITAL SUPPLY: 1.8V to 3.6V
q
±5V DIFFERENTIAL INPUT RANGE
q 0.0002% INL (TYP), 0.0008% INL (MAX)
q SIMPLE 2-WIRE SERIAL INTERFACE
q SIMULTANEOUS 50Hz AND 60Hz REJECTION
q SINGLE CONVERSIONS WITH SLEEP MODE
q SINGLE-CYCLE SETTLING
q SELF-CALIBRATION
q WELL-SUITED FOR MULTICHANNEL SYSTEMS
q EASILY CONNECTS TO THE MSP430
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 2002, Texas Instruments Incorporated
Low-Power, 24-Bit
ANALOG-TO-DIGITAL CONVERTER
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
APPLICATIONS
q HAND-HELD INSTRUMENTATION
q PORTABLE MEDICAL EQUIPMENT
q INDUSTRIAL PROCESS CONTROL
q WEIGH SCALES
Digital
Filter
Serial
Interface
DRDY/DOUT
SCLK
CLK
AINN
AINP
VREFP VREFN
AVDD
GND
DVDD
3rd-Order
Modulator
ADS1
244
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADS1244-EVM | 制造商:BB 制造商全稱:BB 功能描述:Low-Power, 24-Bit ANALOG-TO-DIGITAL CONVERTER |
| ADS1244IDGSR | 功能描述:模數轉換器 - ADC 24-Bit Delta-Sigma 15SPS w/50-60Hz rej RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1244IDGSRG4 | 功能描述:模數轉換器 - ADC 24-Bit Delta-Sigma 15SPS w/50-60Hz rej RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1244IDGST | 功能描述:模數轉換器 - ADC 24-Bit Delta-Sigma 15SPS w/50-60Hz rej RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1244IDGSTG4 | 功能描述:模數轉換器 - ADC 24-Bit Delta-Sigma 15SPS w/50-60Hz rej RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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