参数资料
型号: TLV2548CDWRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封装: GREEN, PLASTIC, SOIC-20
文件页数: 9/46页
文件大小: 1078K
代理商: TLV2548CDWRG4
TLV2544, TLV2548
2.7V TO 5.5V, 12BIT, 200KSPS, 4/8CHANNEL, LOW POWER
SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWERDOWN
SLAS198E FEBRUARY 1999 REVISED JUNE 2003
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
modes using the FIFO: modes 01, 10, 11 timing (continued)
CS
CSTART
SDI
INT
SDO
From Channel 0
FS
(DSP)
Configure
Conversion
Read FIFO
#1
#2
#3
#4
Top of FIFO
Read FIFO
#1
From Channel 0
Conversion
Repeat
First FIFO Read
Second FIFO Read
Repeat
From Channel 3
Conversion
From Channel 3
t(sample)
Command = Configure write for mode 10 or 11, FIFO threshold = 1/2, sweep seq = 0123.
Command = Read FIFO
Figure 13. TLV2544/TLV2548 Mode 10/11 DSP Serial Interface (Conversions Triggered by CSTART)
CS
CSTART
SDI
INT
SDO
From Channel 0
Configure
Conversion
Read FIFO
#1
#2
#3
#4
Top of FIFO
#1
Conversion
Repeat
First FIFO Read
Second FIFO Read
Repeat
From Channel 3
From Channel 0
From Channel 3
Read FIFO
§§
§
Command = Configure write for mode 10 or 11, FIFO threshold = 1/2, sweep seq = 0123.
Command = Read FIFO
§ Use any channel select command to trigger SDI input.
Figure 14. TLV2544/TLV2548 Mode 10/11
p Serial Interface (Conversions Triggered by CS)
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