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| 型号： | ADS1191IPBSR |
| 厂商： | Texas Instruments |
| 文件页数： | 1/67页 |
| 文件大小： | 0K |
| 描述： | IC AFE 16BIT 8KSPS 1CH 32TQFP |
| 标准包装： | 1,000 |
| 位数： | 16 |
| 通道数： | 1 |
| 电压 - 电源，模拟： | 2.7 V ~ 5.25 V |
| 电压 - 电源，数字： | 1.7 V ~ 3.6 V |
| 封装/外壳： | 32-TQFP |
| 供应商设备封装： | 32-TQFP（5x5） |
| 包装： | 带卷 (TR) |
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Control
C
L
K
G
P
IO
A
N
D
C
O
N
T
R
O
L
Oscillator
SPI
Test Signals and
Monitors
S
P
I
RLD
Reference
REF
ADC1
ADC2
A1
A2
MUX
IN
P
U
T
S
To Channel
SBAS566A – DECEMBER 2011 – REVISED SEPTEMBER 2012
Low-Power, 2-Channel, 16-Bit Analog Front-End for Biopotential Measurements
The ADS1191/2 incorporate all of the features that
1
FEATURES
are
commonly
required
in
portable,
low-power
23
Two Low-Noise PGAs and
medical electrocardiogram (ECG), sports, and fitness
Two High-Resolution ADCs (ADS1192)
applications.
Low Power: 335
μW/channel
With its high levels of integration and exceptional
Input-Referred Noise: 24
μVPP
performance, the ADS1191/2 family enables the
(150-Hz BW, G = 6)
creation of scalable medical instrumentation systems
at significantly reduced size, power, and overall cost.
Input Bias Current: 1 nA
Data Rate: 125 SPS to 8 kSPS
The ADS1191/2 have a flexible input multiplexer per
channel that can be independently connected to the
CMRR: –95 dB
internally-generated signals for test, temperature, and
Programmable Gain: 1, 2, 3, 4, 6, 8, or 12
lead-off detection. Additionally, any configuration of
Supplies: Unipolar or Bipolar
input channels can be selected for derivation of the
right leg drive (RLD) output signal. The ADS1191/2
–
Analog: 2.7 V to 5.25 V
operate at data rates up to 8 kSPS. Lead-off
–
Digital: 1.7 V to 3.6 V
detection can be implemented internal to the device,
Built-In Right Leg Drive Amplifier, Lead-Off
using
the
device
internal
excitation
current
Detection, Test Signals
sink/source.
Built-In Oscillator and Reference
The devices are packaged in a 5-mm × 5-mm, 32-pin
Flexible Power-Down, Standby Mode
thin quad flat pack (TQFP). Operating temperature is
specified from –40°C to +85°C.
SPI-Compatible Serial Interface
Operating Temperature Range: –40°C to +85°C
APPLICATIONS
Medical Instrumentation (ECG) including:
–
Patient monitoring; Holter, event, stress,
and vital signs including ECG, AED,
telemedicine
–
Sports and fitness (heart rate, respiration,
and ECG)
DESCRIPTION
The
ADS1191/2
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.
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
SPI is a trademark of Motorola.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2011–2012, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADS1191IRSMR | 制造商:Texas Instruments 功能描述:AFE General Purpose 1ADC 24-Bit 1.8V/3V 32-Pin VQFN EP T/R 制造商:Texas Instruments 功能描述:IC AFE 16BIT 8KSPS 1CH 32VQFN 制造商:Texas Instruments 功能描述:Low Pwr Int AFE for ECG App |
| ADS1191IRSMT | 功能描述:模数转换器 - ADC Cmplt Lw Pwr Intgrtd AFE for ECG apps 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 |
| ADS1192 | 制造商:TI 制造商全称:Texas Instruments 功能描述:Low-Power, 2-Channel, 16-Bit Analog Front-End for Biopotential Measurements |
| ADS1192ECG-FE | 功能描述:数据转换 IC 开发工具 ADS1192 Demo 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 |
| ADS1192IPBS | 功能描述:模数转换器 - ADC Low Pwr Integ AFE 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 |
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