SBAU171D May   2010  – January 2016 ADS1198 , ADS1298

 

  1.   ADS1298ECG-FE/ADS1198ECG-FE
    1.     Trademarks
    2. 1 ADS1298ECG-FE/ADS1198ECG-FE Overview
      1. 1.1 Important Disclaimer Information
      2. 1.2 Introduction
      3. 1.3 Supported Features
      4. 1.4 Features Not Supported in Current Version
      5. 1.5 ADS1x98ECG-FE Hardware
      6. 1.6 Minimum System Requirements for ADS1x98ECG-FE Evaluation Software
    3. 2 Quick Start
      1. 2.1 Default Jumper/Switch Configuration
      2. 2.2 ADS1x98ECG-FE Operation
    4. 3 Using the ADS1298ECG-FE Software
      1. 3.1 Application User Menu
      2. 3.2 Top-Level Application Controls
      3. 3.3 About Tab
      4. 3.4 ADC Register Tab
        1. 3.4.1 Standby and Reset Controls
        2. 3.4.2 Channel Registers Tab (ADC Register)
          1. 3.4.2.1 Global Channel Registers
          2. 3.4.2.2 Channel Control Registers
        3. 3.4.3 LOFF and RLD Tab (ADC Register)
          1. 3.4.3.1 Lead-Off Detection and Current Direction Control Registers
          2. 3.4.3.2 Right Leg Drive Derivation Control Registers
        4. 3.4.4 GPIO and OTHER Registers Tab (ADC Register)
          1. 3.4.4.1 Wilson Central and Augmented Lead Registers
        5. 3.4.5 Register Map (ADC Register)
      5. 3.5 Analysis Tab
        1. 3.5.1 Scope Tab (Anaysis)
          1. 3.5.1.1 Zoom Tool
        2. 3.5.2 Histogram Tab (Analysis)
        3. 3.5.3 FFT Tab
        4. 3.5.4 ECG Tab (Analysis)
      6. 3.6 Save Tab
    5. 4 ADS1x98ECG-FE Input Signals
      1. 4.1 Input Short Testing
      2. 4.2 Internal Test Signals Input
      3. 4.3 Temperature Sensor
      4. 4.4 Normal Electrode Input
        1. 4.4.1 Capturing 12-Lead ECG Signals
      5. 4.5 MVDD Input, RLD Measurement, RLD Positive Electrode Driver, and RLD Negative Electrode Driver
      6. 4.6 Lead Derivation
      7. 4.7 Wilson Center Terminal (WCT)
      8. 4.8 Right Leg Drive
        1. 4.8.1 RLD Common Mode Voltage
        2. 4.8.2 Driving the RLD Cable Shield
      9. 4.9 PACE Detection
    6. 5 ADS1298ECG-FE/ADS1198ECG-FE Hardware Details
      1. 5.1 Jumper Description
      2. 5.2 Power Supply
      3. 5.3 Clock
      4. 5.4 Reference
      5. 5.5 Analog Output Signals
      6. 5.6 Digital Signals
      7. 5.7 Analog Input Signals
        1. 5.7.1 Patient Simulator Input
        2. 5.7.2 Arbitrary Input Signals
  2. ASchematics, BOM, Layout, and ECG Cable Details
    1. A.1 Overview
    2. A.2 ADS1x98ECG-FE Front-End Board Schematics
    3. A.3 Bill of Materials
      1. Table 13. Bill of Materials: ADS1x98ECG-FE
    4. A.4 Printed Circuit Board Layout
    5. A.5 ECG Cable Details
  3. BExternal Optional Hardware
    1. B.1 Optional External Hardware (Not Included)
    2. B.2 ADS1x98ECG-FE Power-Supply Recommendations
  4. CSoftware Installation
    1. C.1 Minimum Requirements
    2. C.2 Installing the Software

5.1 Jumper Description

Table 5 shows the jumpers on the ADS1298ECG-FE and options available for each jumper.

Table 5. ADS1x98ECG-FE Default Jumper/Switch Configuration

Jumper Function Settings
JP1 Installed RLD feedback
JP2 AVDD supply source 1-2: AVDD selected for bipolar supply operation (AVDD = +2.5V)
2-3: AVDD selected for single supply operation (AVDD = +3.0V)
JP3 External Reference Connection (Header Not Installed)(1) Open: External reference not connected
Installed: External reference connected
JP4 Connect EVM +5V rail to J4(power header) Open: EVM +5V must be supplied externally
Installed: EVM +5V supplied from J4 (power header)
JP5 PWDN source Open: PWDN pin controlled from J5 header (pulled up to DVDD)
Installed: Device is powered down (PWDN pin = AGND)
JP6 to JP114 Input signal DC/AC couples (Header Not Installed) 1-2: DC-coupled input signals (Pins 1-2 shorted on PCB)
2-3: AC-coupled input signals (Requires installation of header and cutting PCB short of pin 1-2)
JP15 ECG shield drive connected 1-2: ECG shield is grounded (AGND)
2-3: ECG shield is connected to buffer (required U2 installation, otherwise shield connection is open)
JP16 Wilson Central Terminal (WCT) connection Open: WCT NOT connected to JP26-30 and JP33
Installed: WCT connected to JP26-30 and JP33 for connection to CH1 and CH4-8 IN-
JP17 ECG shield drive buffer input(Header Not Installed)(2) 1-2: ECG shield drive connected to RLDOUT
2-3: ECG shield drive connected to RLDINV
JP18 CLK connection 1-2: CLK connected to DSP (J3.17)
2-3: CLK connected to OSC1
JP19 OSC1 Enable 1-2: OSC1 enabled
2-3: OSC1 disabled
JP20 AVSS supply source 1-2: AVSS selected for single supply operation (AVSS = 0V (AGND))
2-3: AVSS selected for bipolar supply operation (AVSS = -2.5V)
JP21 CS source 1-2: CS connected to DSP via J3.1
2-3: CS connected to DSP via J3.7
JP22 START source 1-2: START comes from J3.1
2-3: START comes from J3.14
JP23 CLKSEL source 1-2: External Master Clock
2-3: Internal Master Clock (CLKSEL controlled by J3.2 (pulled up to DVDD))
JP24 DVDD Supply Select 1-2: DVDD supply = 1.8V
2-3: DVDD supply = 3.3V
JP25 External Reference Selection (Header Not Installed)(3) 1-2: Select U4 as reference source
2-3: Selected U3 as reference source
JP26 CH8- connection Open: Channel input not connected
Installed: Channel input connected to WCT (requires JP16 to be installed)
CH8+ connection Open: Channel input not connected
Installed: Channel input connected to ECG_V1
JP27 CH7- connection Open: Channel input not connected
Installed:Channel input connected to WCT (requires JP16 to be installed)
CH7+ connection Open: Channel input not connected
Installed: Channel input connected to ECG_V5
JP28 CH6- connection Open: Channel input not connected
Installed: Channel input connected to WCT (requires JP16 to be installed)
CH6+ connection Open: Channel input not connected
Installed: Channel input connected to ECG_V4
JP29 CH5- connection Open: Channel input not connected
Installed: Channel input connected to WCT (requires JP16 to be installed)
CH5+ connection Open: Channel input not connected
Installed: Channel input connected to ECG_V3
JP30 CH4- connection Open: Channel input not connected
Installed: Channel input connected to WCT (requires JP16 to be installed)
CH4+ connection Open: Channel input not connected
Installed: Channel input connected to ECG_V2
JP31 CH3- connection Open: Channel input not connected
Installed: Channel input is connected to ECG_RA
CH3+ connection Open: Channel input not connected
Installed: Channel input is connected to ECG_LL
JP32 CH2- connection Open: Channel input not connected
Installed: Channel input is connected to ECG_RA
CH2+ connection Open: Channel input not connected
Installed: Channel input is connected to ECG_ LA
JP33 CH1- connection Open: Channel input not connected
Installed: Channel input connected to WCT (requires JP16 to be installed)
CH1+ connection Open: Channel input not connected
Installed: Channel input connected to ECG_V6
(1) Requires installation of JP25 and references U3/U4
(2) Requires installation of U2
(3) Requires installation of JP3 and references U3/U4