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| 型号： | PADS1298CZXGT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PBGA64 |
| 封装： | 8 X 8 MM, LEAD FREE, PLASTIC, NFBGA-64 |
| 文件页数： | 1/73页 |
| 文件大小： | 957K |
| 代理商： | PADS1298CZXGT |
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PRODUCTPREVIEW
Control
CLK
GPIOANDCONTROL
Oscillator
SPI
TestSignalsand
Monitors
PACE
SPI
RLD
Wilson
Terminal
WCT
Reference
REF
ADC7
ADC8
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
A7
A8
A1
A2
A3
A4
A5
A6
MUX
INPUTS
ToChannel
RESP
www.ti.com
SBAS459C – JANUARY 2010 – REVISED MARCH 2010
Low-Power, 8-Channel, 24-Bit Analog Front-End for Biopotential Measurements
With its high levels of integration and exceptional
1
FEATURES
performance, the ADS1294/6/8 family enables the
23
Eight Low-Noise PGAs and
creation of scalable medical instrumentation systems
Eight High-Resolution ADCs (ADS1298)
at significantly reduced size, power, and overall cost.
Low Power: 0.75mW/channel
The ADS1294/6/8 have a flexible input multiplexer
Input-Referred Noise: 5mVPP (150Hz BW, G = 6)
per channel that can be independently connected to
Input Bias Current: 200pA
the internally-generated signals for test, temperature,
and lead-off detection. Additionally, any configuration
Data Rate: 250SPS to 32kSPS
of input channels can be selected for derivation of the
CMRR: –110dB
right leg drive (RLD) output signal. The ADS1294/6/8
Programmable Gain: 1, 2, 3, 4, 6, 8, or 12
operate at data rates as high as 32kSPS, thereby
allowing
the
implementation
of
software
pace
Supplies: Unipolar or Bipolar
detection. Lead-off detection can be implemented
–
Analog: 2.7V to 5.25V
internal to the device, either with a pull-up/pull-down
–
Digital: 1.65V to 3.6V
resistor or an excitation current sink/source. Three
integrated amplifiers generate the Wilson Center
Built-In Right Leg Drive Amplifier, Lead-Off
Terminal (WCT) and the Goldberger terminals (GCT)
Detection, WCT, Test Signals
required for a standard 12-lead ECG.
Pace Detection
Multiple ADS1294/6/8 devices can be cascaded in
Digital Pace Detection Capability
high
channel
count
systems
in
a
daisy-chain
Built-In Oscillator and Reference
configuration.
Flexible Power-Down, Standby Mode
Package options include a tiny 8mm × 8mm, 64-ball
SPI-Compatible Serial Interface
BGA and a TQFP-64. Both packages are specified
Operating Temperature Range: 0°C to +70°C
from 0°C to +70°C (–40°C to +85°C for industrial
(–40°C to +85°C grade available soon)
grade available soon).
APPLICATIONS
Medical Instrumentation (ECG and EEG)
including:
–
Patient monitoring; Holter, event, stress,
and vital signs ECG, AED, telemedicine,
fetal ECG
–
Bispectral index (BIS), Evoked audio
potential (EAP), Sleep study monitor
High-Precision, Simultaneous, Multichannel
Signal Acquisition
DESCRIPTION
The ADS1294/6/8 are a family of multichannel,
simultaneous
sampling,
24-bit,
delta-sigma
(
ΔΣ)
analog-to-digital converters (ADCs) with a built-in
programmable
gain
amplifier
(PGA),
internal
reference,
and
an
onboard
oscillator.
The
ADS1294/6/8 incorporate all of the features that are
commonly required in medical electrocardiogram
(ECG) and electroencephalogram (EEG) applications.
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.
PRODUCT PREVIEW information concerns products in the
Copyright 2010, Texas Instruments Incorporated
formative or design phase of development. Characteristic data and
other specifications are design goals. Texas Instruments reserves
the right to change or discontinue these products without notice.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PADS1298IPAG | 制造商:TI 制造商全称:Texas Instruments 功能描述:Low-Power, 8-Channel, 24-Bit Analog Front-End for Biopotential Measurements |
| PADS5296RGCR | 制造商:Texas Instruments 功能描述: |
| PADS5546IRGZT | 制造商:TI 制造商全称:Texas Instruments 功能描述:14-BIT, 190 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS |
| PADS8361IRHB | 制造商:Texas Instruments 功能描述: |
| PADS8422IBPFBT | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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