参数资料
型号: PGA309EVM
厂商: Texas Instruments, Inc.
英文描述: PGA309 Evaluation Module(PGA309评估模块)
中文描述: PGA309评估模块(PGA309评估模块)
文件页数: 24/53页
文件大小: 4221K
代理商: PGA309EVM
Page 24 of 53
Figure 15: Status Window
5) In the Status Window check the box to “Read ADS1100 Continuously”.
6) In the Main Window set “Supply Vcc (V)” to 5.0V
7) The “Rtest” potentiometer and “J4” on the PGA309 Sensor Interface Board will be used for this test. On the
PGA309 PC Interface Board the ADS1100 ADC will be used for this test. Table 4 below details the
actions and acceptable results for a pass condition of the PGA309 Sensor Interface and PGA309 PC
Interface Boards.
Step
Rtest
J4
Position
1
Rotate Fully Clockwise
(until audible clicking is heard)
2
Rotate Fully
Counter-Clockwise
(until audible clicking is heard)
3
Don’t Care
Open
4
Replace J4
Vexc
Table 4: Hardware Checkout Voltages and Settings
ADS1100 read
(Volts min)
0.19
ADS1100 read
(Volts max)
0.26
Vexc
Vexc
3.9
4.1
4.9
5.0
Don’t Care
Don’t Care
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