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| 型号： | 5962-9957001QRA |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP20 |
| 封装： | CERDIP-20 |
| 文件页数： | 47/47页 |
| 文件大小： | 764K |
| 代理商： | 5962-9957001QRA |
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TLV2544, TLV2548
2.7 V TO 5.5 V, 12-BIT, 200 KSPS, 4/8 CHANNEL, LOW POWER,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
SLAS198A –FEBRUARY 1999– REVISED AUGUST 1999
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TLV2544/TLV2548 conversion modes (continued)
repeat sweep mode (mode 11)
Repeat sweep mode (mode 11) works the same way as mode 10 except the operation has an option to continue
even if the FIFO threshold is reached. Once the FIFO has reached its programmed threshold, an interrupt (INT)
is generated. Then two things may happen:
1.
The host may choose to act on it (read the FIFO) or ignore it. If the next cycle is a read FIFO cycle, all of
the data stored in the FIFO is retained until it has been read in order.
2.
If the next cycle is not a read FIFO cycle, or another CSTART is generated, all of the content stored in the
FIFO is cleared before the next conversion result is stored in the FIFO, and the sweep is continued.
Table 3. TLV2544/TLV2548 Conversion Mode
CONVERSION
MODE
CFR
D(6,5)
SAMPLING
TYPE
OPERATION
One shot
00
Normal
Single conversion from a selected channel
CS or FS to start select/sampling/conversion/read
One INT or EOC generated after each conversion
Host must serve INT by selecting channel, and converting and reading the previous output.
Extended
Single conversion from a selected channel
CS to select/read
CSTART to start sampling and conversion
One INT or EOC generated after each conversion
Host must serve INT by selecting next channel and reading the previous output.
Repeat
01
Normal
Repeated conversions from a selected channel
CS or FS to start sampling/conversion
One INT generated after FIFO is filled up to the threshold
Host must serve INT by either 1) (FIFO read) reading out all of the FIFO contents up to the
threshold, then repeat conversions from the same selected channel or 2) writing another
command(s) to change the conversion mode. If the FIFO is not read when INT is served, it is
cleared.
Extended
Same as normal sampling except CSTART starts each sampling and conversion when CS is
high.
Sweep
10
Normal
One conversion per channel from a sequence of channels
CS or FS to start sampling/conversion
One INT generated after FIFO is filled up to the threshold
Host must serve INT by (FIFO read) reading out all of the FIFO contents up to the threshold, then
write another command(s) to change the conversion mode.
Extended
Same as normal sampling except CSTART starts each sampling and conversion when CS is
high.
Repeat sweep
11
Normal
Repeated conversions from a sequence of channels
CS or FS to start sampling/conversion
One INT generated after FIFO is filled up to the threshold
Host must serve INT by either 1) (FIFO read) reading out all of the FIFO contents up to the
threshold, then repeat conversions from the same selected channel or 2) writing another
command(s) to change the conversion mode. If the FIFO is not read when INT is served it is
cleared.
Extended
Same as normal sampling except CSTART starts each sampling and conversion when CS is
high.
NOTE: Programming the EOC/INT pin as the EOC signal works for mode 00 only. The other three modes automatically generate an INT signal
irrespective of whether EOC/INT is programmed.
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相关代理商/技术参数 |
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| 5962-9957601Q2A | 制造商:Texas Instruments 功能描述:5962-9957601Q2A - Rail/Tube |
| 5962-9957601QPA | 功能描述:数模转换器- DAC 12B1 or 3.5 us DAC Serial InpDual DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| 5962-9957701NXD | 制造商:Texas Instruments 功能描述:THS1206MDAB, ADC, 12BITSERIAL, 6MSPS - Rail/Tube |
| 5962-9958101QXC | 功能描述:LVDS 接口集成电路 RoHS:否 制造商:Texas Instruments 激励器数量:4 接收机数量:4 数据速率:155.5 Mbps 工作电源电压:5 V 最大功率耗散:1025 mW 最大工作温度:+ 85 C 封装 / 箱体:SOIC-16 Narrow 封装:Reel |
| 5962-9958301Q2A | 制造商:Texas Instruments 功能描述:DC DC Cntrlr Single-OUT PWM DC to DC Controller 3.6V to 40V Input 20-Pin LCCC Tube |
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