参数资料
型号: TLC2554QDR
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16
封装: PLASTIC, MS-012AC, SOIC-16
文件页数: 7/48页
文件大小: 1072K
代理商: TLC2554QDR
TLC2554, TLC2558
5-V, 12-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
SLAS220A –JUNE 1999
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
modes using the FIFO: modes 01, 10, 11 timing (continued)
CS
CSTART
SDI
INT
SDO
Hi-Z
From Channel 2
tconvert
FS
§
§
Hi-Z
tsample
tconvert
Configure
Select
Conversion #1
Select
Conversion #4
Read FIFO
#1
#2
#3
#4
Next #1
Top of FIFO
From Channel 2
tconvert
Command = Configure write for mode 01, FIFO threshold = 1/2
Command = Read FIFO, 1st FIFO read
§ Command = Select ch2.
Figure 10. TLC2554/TLC2558 Mode 01 DSP Serial Interface (conversions triggered by FS)
CS
CSTART
SDI
INT
SDO
Hi-Z
From Channel 2
FS
(DSP)
From Channel 2
Configure
Select
Conversion #1
Select
Conversion #4
Read FIFO
First FIFO Read
§
#1
#2
#3
#4
Next #1
tsample(1)
tconvert(1)
§
tsample(2)
tsample(3)
tsample(4)
tconvert(2)
tconvert(3)
tconvert(4)
Hi-Z
tSample(i) > = MIN(tSample)
Command = Configure write for mode 01, FIFO threshold = 1/2
Command = Read FIFO, 1st FIFO read
§ Command = Select ch2.
Figure 11. TLC2554/TLC2558 Mode 01
p/DSP Serial Interface (conversions triggered by CSTART)
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