参数资料
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: 7/47页
文件大小: 764K
代理商: 5962-9957001QRA
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
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. TLV2544/TLV2548 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. TLV2544/TLV2548 Mode 01
p/DSP Serial Interface (Conversions triggered by CSTART)
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