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參數(shù)資料
| 型號： | ADS1208I |
| 英文描述： | 2nd-Order Delta-Sigma Modulator with Excitation for Hall Elements |
| 中文描述： | 2階Δ-Σ調(diào)制器激勵霍爾元件 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 381K |
| 代理商： | ADS1208I |
FEATURES
±100mV Specified Input Range
±125mV Full-Scale Range
95dB typ. CMR, 82dB typ. SNR
Adjustable Current Output for Sensor Biasing
Digital Output Compatible to ADS1202/03
Differential Digital Outputs
Separate 2.7V to 5.5V Digital Supply Pin
DESCRIPTION
The ADS1208 is a 2nd-order
Σ
(delta-sigma) modu-
lator operating at a 10MHz clock rate. The specified
input
range
is
±100mV,
measurement with a Hall sensor, especially in motor
control
applications.
The
programmable current source for sensor biasing and
has integrated input buffers for fast settling of the
sample capacitors; it also requires only a minimum of
external components. The differential analog input
offers low noise and excellent common-mode rejec-
tion.
APPLICATIONS
Motor Control
Current Measurement
Hall Sensors
Bridge Sensors
Instrumentation
Internal 2.5V
Reference
RC Oscillator
20MHz
Interface
Circuit
MDATA
MDATA
MCLK
IADJ
IOUT
AVDD
ADS1208
REFOUT
REFIN
V
IN+
V
IN
BVDD
MCLK
M0
M1
Buffer
Buffer
Buffer
Buffer
2ndOrder
Σ
Modulator
BGND
AGND
AVDD
ADS1208
SBAS348A–MARCH 2005–REVISED MARCH 2005
2nd-Order Delta-Sigma Modulator
with Excitation for Hall Elements
optimized
for
current
ADS1208
contains
a
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2005, Texas Instruments Incorporated
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADS1208IPW | 2nd-Order Delta-Sigma Modulator with Excitation for Hall Elements |
| ADS1208IPWG4 | 2nd-Order Delta-Sigma Modulator with Excitation for Hall Elements |
| ADS1208IPWR | 2nd-Order Delta-Sigma Modulator with Excitation for Hall Elements |
| ADS1208IPWRG4 | 2nd-Order Delta-Sigma Modulator with Excitation for Hall Elements |
| ADS1211 | 24-Bit ANALOG-TO-DIGITAL CONVERTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS1208IPW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10MHz Modulator RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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 |
| ADS1208IPWG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10MHz Modulator RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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 |
| ADS1208IPWR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10MHz Modulator RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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 |
| ADS1208IPWRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10MHz Modulator RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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 |
| ADS1209 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Two 1-Bit, 10MHz, 2nd-Order Delta-Sigma Modulators |
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