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DAC53401_V01 Datasheet(数据表) 18 Page - Texas Instruments

部件型号  DAC53401
说明  DACx3401 10-Bit and 8-Bit, Voltage-Output Digital-to-Analog Converters With Nonvolatile Memory and PMBus™ Compatible I2C Interface in Tiny 2 × 2 WSON
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
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DAC53401 Datasheet(HTML) 18 Page - Texas Instruments

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DAC53401, DAC43401
SLASES7 – JULY 2019
www.ti.com
Product Folder Links: DAC53401 DAC43401
Submit Documentation Feedback
Copyright © 2019, Texas Instruments Incorporated
8.4.4.3 High-Priority Alarm
The MED_ALARM_HP bit (address D2h) is used to trigger a medical high-priority alarm generation. The DAC
generates a continuous-alarm signal until this bit is set back to 0. After the bit is set to 0, the device does not
abruptly end the alarm generation; the device stops only after completing the ongoing burst.
8.4.4.4 Interburst Time
The INTERBURST_TIME bit (address D2h) is used set the time between two adjacent bursts. Table 7 lists the
INTERBURST_TIME settings.
Table 7. Interburst Time
REGISTER ADDRESS
AND NAME
INTERBURST_TIME[1:0]
HIGH PRIORITY ALARM
INTERBURST TIME
MEDIUM PRIORITY
ALARM INTERBURST
TIME
LOW PRIORITY ALARM
INTERBURST TIME
D2h,
MED_ALARM_CONFIG
00
2.55 s
2.60 s
16 s
01
2.96 s
3.06 s
10
3.38 s
3.52 s
11
3.80 s
4.00 s
8.4.4.5 Pulse Off Time
The PULSE_OFF_TIME bit (address D2h) is used to control the low period of trapezoid in a medical alarm
waveform. Table 8 lists the PULSE_OFF_TIME settings.
Table 8. Pulse Off Time
REGISTER ADDRESS
AND NAME
PULSE_OFF_TIME[1:0]
HIGH PRIORITY ALARM
PULSE OFF TIME
MEDIUM PRIORITY
ALARM PULSE OFF
TIME
LOW PRIORITY ALARM
PULSE OFF TIME
D2h,
MED_ALARM_CONFIG
00
15 ms
40 ms
40 ms
01
36 ms
60 ms
60 ms
10
58 ms
80 ms
80 ms
11
80 ms
100 ms
100 ms
8.4.4.6 Pulse On Time
The PULSE_ON_TIME bit (address D2h) controls the high period of trapezoid in a medical alarm waveform.
Table 9 lists the PULSE_ON_TIME settings.
Table 9. Pulse On Time
REGISTER ADDRESS
AND NAME
PULSE_ON_TIME[1:0]
HIGH PRIORITY ALARM
PULSE ON TIME
MEDIUM PRIORITY
ALARM PULSE ON TIME
LOW PRIORITY ALARM
PULSE ON TIME
D2h,
MED_ALARM_CONFIG
00
80 ms
130 ms
130 ms
01
103 ms
153 ms
153 ms
10
126 ms
176 ms
176 ms
11
150 ms
200 ms
200 ms




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