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ADS1194IPAGR

更新时间： 2024-09-15 06:36:23
品牌 Logo 应用领域
德州仪器 - TI 模拟IC信号电路
页数 文件大小 规格书
73页 1137K
描述
Low-Power 8-Channel 16-Bit Analog Front-End for Biopotential Measurements

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ADS1194IPAGR 技术参数

生命周期：Obsolete零件包装代码：QFP
包装说明：TFQFP,针数：64
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.58Is Samacsys：N
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：S-PQFP-G64
长度：10 mm功能数量：1
端子数量：64最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TFQFP封装形状：SQUARE
封装形式：FLATPACK, THIN PROFILE, FINE PITCH认证状态：Not Qualified
座面最大高度：1.2 mm最大供电电压 (Vsup)：5.25 V
最小供电电压 (Vsup)：2.7 V标称供电电压 (Vsup)：3 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.5 mm
端子位置：QUAD宽度：10 mm
Base Number Matches：1

ADS1194IPAGR 数据手册

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ADS1194  
ADS1196  
ADS1198  
www.ti.com  
SBAS471A –APRIL 2010–REVISED SEPTEMBER 2010  
Low-Power, 8-Channel, 16-Bit Analog Front-End for Biopotential Measurements  
Check for Samples: ADS1194, ADS1196, ADS1198  
With its high levels of integration and exceptional  
1
FEATURES  
performance, the ADS1194/6/8 family enables the  
creation of scalable medical instrumentation systems  
at significantly reduced size, power, and overall cost.  
23  
•
Eight Low-Noise PGAs and  
Eight High-Resolution ADCs (ADS1198)  
•
•
Low Power: 0.55mW/channel  
The ADS1194/6/8 have a flexible input multiplexer  
per channel that can be independently connected to  
the internally-generated signals for test, temperature,  
and lead-off detection. Additionally, any configuration  
of input channels can be selected for derivation of the  
right leg drive (RLD) output signal. The ADS1194/6/8  
operate at data rates as high as 8kSPS, thereby  
allowing the implementation of software pace  
detection. Lead-off detection can be implemented  
internal to the device, either with a pull-up/pull-down  
resistor or an excitation current sink/source. Three  
integrated amplifiers generate the Wilson Center  
Terminal (WCT) and the Goldberger terminals (GCT)  
required for a standard 12-lead ECG.  
Input-Referred Noise:  
12mVPP (150Hz BW, G = 6)  
•
•
•
•
•
Input Bias Current: 200pA  
Data Rate: 125SPS to 8kSPS  
CMRR: –105dB  
Programmable Gain: 1, 2, 3, 4, 6, 8, or 12  
Supplies: Unipolar or Bipolar  
–
–
Analog: 2.7V to 5.25V  
Digital: 1.65V to 3.6V  
•
Built-In Right Leg Drive Amplifier, Lead-Off  
Detection, WCT, Test Signals  
•
•
•
•
•
Pace Detection Channel Select  
Built-In Oscillator and Reference  
Flexible Power-Down, Standby Mode  
SPI™-Compatible Serial Interface  
Multiple ADS1194/6/8 devices can be cascaded in  
high channel count systems in  
configuration.  
a
daisy-chain  
Package options include a tiny 8mm × 8mm, 64-ball  
BGA and a TQFP-64. Both packages are specified  
over the temperature range of 0°C to +70°C.  
Operating Temperature Range:  
0°C to +70°C  
REF  
Test Signals and  
Monitors  
APPLICATIONS  
Reference  
ADC1  
ADC2  
ADC3  
ADC4  
ADC5  
ADC6  
ADC7  
ADC8  
•
Medical Instrumentation (ECG) including:  
SPI  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
–
Patient monitoring; Holter, event, stress,  
and vital signs Including ECG, AED,  
Telemedicine  
–
Evoked audio potential (EAP), Sleep study  
monitor  
Oscillator  
MUX  
Control  
•
High-Precision, Simultaneous, Multichannel  
Signal Acquisition  
DESCRIPTION  
The ADS1194/6/8 are a family of multichannel,  
simultaneous sampling, 16-bit, delta-sigma (ΔΣ)  
analog-to-digital converters (ADCs) with a built-in  
programmable gain amplifier (PGA), internal  
reference, and an onboard oscillator. The  
ADS1194/6/8 incorporate all of the features that are  
commonly required in medical electrocardiogram  
(ECG) applications.  
To Channel  
Wilson  
Terminal  
WCT  
¼
¼
¼
RLD  
PACE  
1
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.  
2
3
SPI is a trademark of Motorola.  
All other trademarks are the property of their respective owners.  
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 © 2010, Texas Instruments Incorporated  
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